CN1901058A - Recording medium and audio-signal processing apparatus - Google Patents
Recording medium and audio-signal processing apparatus Download PDFInfo
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- CN1901058A CN1901058A CN 200610108038 CN200610108038A CN1901058A CN 1901058 A CN1901058 A CN 1901058A CN 200610108038 CN200610108038 CN 200610108038 CN 200610108038 A CN200610108038 A CN 200610108038A CN 1901058 A CN1901058 A CN 1901058A
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Abstract
A digital signal recording disc has a first area and a second area. The second area differs from the first area. The first area stores a first-channel digital audio signal and a second-channel digital audio signal. The first-channel digital audio signal results from quantizing a first-channel analog audio signal with a first quantization bit number. The second-channel digital audio signal results from quantizing a second-channel analog audio signal with a second quantization bit number. The second area stores information of the first and second quantization bit numbers.
Description
The application is that application number is 98116069.7, the applying date is on July 15th, 1998, denomination of invention is divided an application for the patented claim of " recording medium and audio signal processor ".
Technical field
The present invention relates to recording medium such as digital video disk or digital universal disc (DVD).The invention still further relates to the device that is used for audio-frequency signal coding.In addition, the invention still further relates to the device that is used for audio signal decoding.And, the invention still further relates to such as Disc players such as DVD (digital video disk) players.
Background technology
The CD that is used for canned data comprises digital video disk (DVD).The DVD stored audio signal of standard and the combination of vision signal.The DVD audio signal recording capacity of standard is significantly less than its video signal recording capacity.The information of the time correlation of the sound signal of management accounts on standard DVD is difficult.It also is difficult reading the melody heading message of being represented by the sound signal that is recorded on the standard DVD.
Summary of the invention
First purpose of the present invention is that a kind of improved recording medium will be provided.
Second purpose of the present invention is that a kind of improved device that is used for audio-frequency signal coding will be provided.
Three purposes of the mat woven of fine bamboo strips of the present invention are that a kind of improved device that is used for audio signal decoding will be provided.
The 4th purpose of the present invention is that a kind of improved Disc player will be provided.
A first aspect of the present invention provides a kind of digital signal recording disc, this indicator comprises the first area of storage first passage digital audio and video signals and second channel digital audio and video signals, the first passage digital audio and video signals is from the result who the first passage simulated audio signal is quantized with first quantization digit, and the second channel digital audio and video signals is from the result who the second channel simulated audio signal is quantized with second quantization digit; And the second area of the storage first and second quantization digit information different with the first area.
A second aspect of the present invention is based on its first aspect, and provide digital signal recording disc, wherein the first passage digital audio and video signals comprises that prepass digital audio and video signals and second channel digital audio and video signals comprise back channel digital audio signal, and first and second quantization digits differ from one another.
A third aspect of the present invention provides digital signal recording disc, this indicator comprises the first area of storage first passage digital audio and video signals and second channel digital audio and video signals, the first passage digital audio and video signals is from carrying out the conversion of analog to digital by first sample frequency to the first passage simulated audio signal, and the second channel digital audio and video signals is from the conversion of the second channel simulated audio signal being carried out analog to digital by second sample frequency; And the second area of the storage first and second sample frequency information different with the first area.
A fourth aspect of the present invention is based on its third aspect, and provide digital signal recording disc, wherein the first passage digital audio and video signals comprises that prepass digital audio and video signals and second channel digital audio and video signals comprise back channel digital audio signal, and first and second sample frequency differ from one another.
A fifth aspect of the present invention is based on its third aspect, and provide digital signal recording disc, wherein the first passage digital audio and video signals comprises that prepass digital audio and video signals and second channel digital audio and video signals comprise back channel digital audio signal, and first and second sample frequency are equal to each other, and wherein back channel digital audio signal comes the result of automatic-refining (extraction), and the information of second area storage refinement (extraction).
A sixth aspect of the present invention is based on its third aspect, and provide digital signal recording disc, wherein the first passage digital audio and video signals comprises that prepass digital audio and video signals and second channel digital audio and video signals comprise low-frequency effect channel digital audio signal, and first and second sample frequency are equal to each other, and wherein low-frequency effect channel digital audio signal comes the result of automatic-refining, and the information of second area storage refinement.
A seventh aspect of the present invention provides digital signal recording disc, this indicator comprises the first area of storage first passage digital audio and video signals and second channel digital audio and video signals, the first passage digital audio and video signals is from the transformation result of first passage simulated audio signal by the analog to digital of first sample frequency and first quantization digit, the second channel digital audio and video signals is from the transformation result of second channel simulated audio signal by the analog to digital of second sample frequency and second quantization digit, second sample frequency is different from first sample frequency, and second quantization digit is different from first quantization digit; And the second area different with the first area, these area stores first and second sample frequency information and first and second quantization digit information.
A eighth aspect of the present invention provides digital signal recording disc, this indicator comprises storage, and each distributes to the first area of the first passage at least and the second channel digital audio and video signals of first passage group or second channel group, digital audio and video signals in the first passage group is from the transformation result of first simulated audio signal by the analog to digital of first sample frequency and first quantization digit, and the digital audio and video signals in the second channel group is from the transformation result of second simulated audio signal by the analog to digital of second sample frequency and second quantization digit; And the second area different with the first area, these area stores first and second sample frequency information, the first and second quantization digit information and distribute the first passage information relevant with the second channel digital audio and video signals to first and second channel group.
A ninth aspect of the present invention is based on its 7th aspect, and provide digital signal recording disc, wherein left passage and right channel stereo digital audio and video signals are stored in the first area, a left side passage and right channel stereo digital audio and video signals are from left passage and the right channel stereo simulated audio signal result by the conversion of the analog to digital of the 3rd sample frequency, and wherein second area is stored the 3rd sample frequency information.
A tenth aspect of the present invention is based on its 7th aspect, and provide digital signal recording disc, wherein left passage and right channel stereo digital audio and video signals are stored in the first area, a left side passage and right channel stereo digital audio and video signals are from left passage and the right channel stereo simulated audio signal result by the conversion of the analog to digital of the 3rd quantization digit, and wherein second area is stored the 3rd quantization digit information.
A eleventh aspect of the present invention is based on its 9th aspect, and provide digital signal recording disc, wherein left passage and right channel stereo digital audio and video signals are different from first passage and second channel digital audio and video signals, and the first area comprises first subregion of storage first passage and second channel digital audio and video signals and stores left passage and second subregion of right channel stereo digital audio and video signals.
A twelveth aspect of the present invention is based on its 7th aspect, and provide digital signal recording disc, the result of a kind of cataloged procedure of in AC-3 cataloged procedure, MPEG-1 cataloged procedure and PMEG-2 cataloged procedure, selecting of first passage and second channel digital audio and video signals wherein.
A thirteenth aspect of the present invention provides a kind of audio signal encoding apparatus, and this device comprises that being used for by first quantization digit prepass simulated audio signal being quantified as first of corresponding prepass digital audio and video signals installs; Back tunnels analogy sound signal is quantified as second device of corresponding back channel digital audio signal by second quantization digit that is different from first quantization digit; And be used for prepass digital audio and video signals, back channel digital audio signal, and the first and second quantization digit information formats turn to the 3rd device of structure with first and second zones, the first area comprises prepass digital audio and video signals and back channel digital audio signal, and second area is different from the first area and comprises the first and second quantization digit information.
A fourteenth aspect of the present invention provides a kind of audio signal encoding apparatus, and this device comprises that being used for by first sample frequency prepass simulated audio signal being quantified as first of corresponding prepass digital audio and video signals installs; Back tunnels analogy sound signal is quantified as second device of corresponding back channel digital audio signal by second sample frequency that is different from first sample frequency; And be used for prepass digital audio and video signals, back channel digital audio signal, and the first and second sample frequency information formats turn to the 3rd device of structure with first and second zones, the first area comprises prepass digital audio and video signals and back channel digital audio signal, and second area is different from the first area and comprises the first and second sample frequency information.
A fifteenth aspect of the present invention provides a kind of audio signal encoding apparatus, and this device comprises that being used for by first quantization digit and first sample frequency prepass simulated audio signal being quantified as first of corresponding prepass digital audio and video signals installs; By second quantization digit and second sample frequency back tunnels analogy sound signal is quantified as second of corresponding back channel digital audio signal and installs, second quantization digit is different from first quantization digit, and second sample frequency is different from first sample frequency; And be used for prepass digital audio and video signals, back channel digital audio signal, and the first and second quantization digit information and first and second sample frequency information format turn to the 3rd device of structure with first and second zones, the first area comprises prepass digital audio and video signals and back channel digital audio signal, and second area is different from the first area and comprises the first and second quantization digit information and the first and second sample frequency information.
A sixteenth aspect of the present invention provides a kind of audio signal encoding apparatus, this device comprise be used for to first passage group or second channel set of dispense first passage and second channel simulated audio signal each first the device; Be used for the simulated audio signal in the first passage group being quantified as second device of the digital audio and video signals in the corresponding first passage group by first sample frequency and first quantization digit; Be used for the simulated audio signal in the second channel group being quantified as the 3rd device of the digital audio and video signals in the corresponding second channel group by second sample frequency and second quantization digit; And be used for the digital audio and video signals in first and second channel group, and the first and second quantization digit information, first and second sample frequency information, reach first passage and second channel simulated audio signal turn to the 4th device from the structure with first and second zones to the information format of first and second channel group distribution, the first area comprises the digital audio and video signals of first and second channel group, and second area is different from the first area and comprises the first and second quantization digit information, the information that the first and second sample frequency information and first passage and second channel simulated audio signal distribute to first and second channel group.
A seventeenth aspect of the present invention provides a kind of audio signal decoder, this device comprises that being used for from the signal that reproduces is that prepass extracts the first quantization digit information and for the back passage extracts first device of the second quantization digit information, second quantization digit is different from first quantization digit; Be used for deriving second device of prepass digital audio and video signals and back channel digital audio signal from reproducing signal; Be used to three device of the first quantization digit information that responds to the decoding of prepass digital audio and video signals; And be used to four device of the second quantization digit information that responds to back channel digital audio signal decoding.
A eighteenth aspect of the present invention provides a kind of audio signal decoder, this device comprises that being used for from the signal that reproduces is that prepass extracts the first sample frequency information and for the back passage extracts first device of the second sample frequency information, second sample frequency is different from first sample frequency; Be used for deriving second device of prepass digital audio and video signals and back channel digital audio signal from reproducing signal; Be used to three device of the first sample frequency information that responds to the decoding of prepass digital audio and video signals; And be used to four device of the second sample frequency information that responds to back channel digital audio signal decoding.
A nineteenth aspect of the present invention provides a kind of audio signal decoder, this device comprises that being used for from the signal that reproduces is that prepass extracts first sample frequency and the first quantization digit information is also installed for the back passage extracts first of second sample frequency and the second quantization digit information, second quantization digit is different from first quantization digit, and second sample frequency is different from first sample frequency; Be used for deriving second device of prepass digital audio and video signals and back channel digital audio signal from reproducing signal; Be used to respond first quantization digit and the first sample frequency information the 3rd device to the decoding of prepass digital audio and video signals; And be used to respond second quantization digit and the second sample frequency information the 4th device to back channel digital audio signal decoding.
A twentieth aspect of the present invention provides a kind of audio signal decoder, this device comprises that being used for from the signal that reproduces is that preceding logical group of road extracts first quantization digit and the first sample frequency information is also installed for the back channel group extracts first of second quantization digit and the second sample frequency information, second quantization digit is different from first quantization digit, and second sample frequency is different from first sample frequency; Be used for deriving from reproducing signal second device of first passage digital audio and video signals and second channel digital audio and video signals, the first passage of each derivation and second channel digital audio and video signals are distributed to first passage group or second channel group; Be used for extracting the 3rd device of the assignment information of first passage and second channel digital audio and video signals to the first or second channel group from reproducing signal; And be used to the first and second quantization digit information that respond, the first and second sample frequency information, and the assignment information of first passage and second channel digital audio and video signals to the first or second channel group to the 4th device of first passage digital audio and video signals and the decoding of second channel digital audio and video signals.
The of the present invention the 20 provides a kind of Disc player, this player to comprise on the one hand is used for installing from first of optical disc replay audio pack and controlling packet; First and second impact dampers; Be used for alternately writing second device of the audio pack of reproduction to first and second impact dampers; Be used for the controlling packet of reproducing is decoded as the 3rd device of control data; Be used for responding the 4th device that control data is decoded as the audio pack of first and second impact dampers voice data; Be used for voice data is converted to the D/A converter of simulated audio signal.
The 22 aspect of the present invention is based on its 20 one side, and a kind of Disc player is provided, and wherein first and second impact dampers have the capacity of 4 kilobyte.
The 23 aspect of the present invention is based on its eight aspect, and a kind of digital signal recording disc is provided, and wherein first area stores audio data in audio pack, and second area is stores audio data information A DI in audio pack.
The 24 aspect of the present invention is based on its eight aspect, and provide a kind of digital signal recording disc, wherein the first area comprises audio content set of blocks ACBS, and second area is stored the audio object attribute AOTT-AOB-ATR that only contains audio production in audio production aggregate information ATSI.
The 25 aspect of the present invention is based on its 16 aspect, and provides a kind of audio signal encoding apparatus, this device also to comprise the 5th device that is used for digital audio and video signals is formatted as the voice data of audio pack; And the 6th device, be used for the first and second sample frequency information, the first and second quantization digit information, and turn to the voice data information A DI of audio pack to the information format of first and second channel group distribution first passage and second channel simulated audio signal.
The 26 aspect of the present invention is based on its 16 aspect, and provides a kind of audio signal encoding apparatus, this device also to comprise the 5th device that is used for digital audio and video signals is formatted as audio content set of blocks ACBS; And the 6th device, be used for the first and second sample frequency information, the first and second quantization digit information, and the audio object attribute AOTT-AOB-ATR that only contains audio production from audio production aggregate information ATSI to the information format of first and second channel group distribution first passage and second channel simulated audio signal that turn at.
The 27 aspect of the present invention is based on its 20 aspect, and provide a kind of audio signal decoder, wherein first device comprises and is used for reproducing first quantization digit and the first sample frequency information, and the device of second quantization digit and the second sample frequency information from the voice data information A DI of audio pack, and wherein the 3rd device comprises and is used for reproducing device to the information of first and second channel group distribution first passage and second channel digital audio and video signals from the voice data information A DI of audio pack.
The 20 eight aspect of the present invention is based on its 20 aspect, and provide a kind of audio signal decoder, wherein first device comprises that the audio object attribute AOTT-AOB-ATR that only contains audio production that is used for from audio production aggregate information ATSI reproduces first quantization digit and the first sample frequency information, and the device of second quantization digit and the second sample frequency information, and wherein the 3rd device comprises that the audio object attribute AOTT-AOB-ATR that only contains audio production that is used for from audio production aggregate information ATSI reproduces the device that distributes the information of first passage and second channel digital audio and video signals to first and second channel group.
Description of drawings
Fig. 1 is the diagram of video DVD signal record form.
Fig. 2 is the diagram according to first embodiment of the present invention audio frequency DVD signal record form.
Fig. 3 is the diagram of the structure in AMG zone among Fig. 2.
Fig. 4 is the diagram of the structure in ATS zone among Fig. 2.
Fig. 5 is the diagram of the structure in AMGI zone among Fig. 3.
Fig. 6 is the diagram of the structure in ATS-ATRT zone among Fig. 5.
Fig. 7 is the diagram of the structure in ATS-ATR zone among Fig. 6.
Fig. 8 is the diagram of the structure in ATSI zone among Fig. 4.
Fig. 9 is the diagram of the structure in ATSI-MAT zone among Fig. 8.
Figure 10 is the diagram of the structure in ATSM-AST-ATR zone among Fig. 9.
Figure 11 is the diagram of the structure in ATS-AST-ATRT zone among Fig. 9.
Figure 12 is the diagram of the structure in ATS-AST-ATR zone among Figure 11.
Figure 13 is the diagram of packet sequence.
The diagram of the structure of Figure 14 audio pack A or video packets V.
Figure 15 is the diagram of the structure of audio frequency controlling packet A-CONT.
Figure 16 is the diagram of the structure in ACD zone among Figure 15
Figure 17 is the diagram of indication that is added with the Japanese melody title of English.
Figure 18 is the diagram of the structure in ASD zone among Figure 15.
Figure 19 is the diagram of packet sequence.
Figure 20 be passage, sample frequency, quantization digit, data transfer rate, and the longest writing time between the diagram of relation.
Figure 21 is the diagram that adds 6 channel audio signal situation lower channels, sample frequency, quantization digit, data transfer rate at 2 passages, reaches the relation between the longest writing time.
Figure 22 is the diagram that adds 5 channel audio signal situation lower channels, sample frequency, quantization digit, data transfer rate at 2 passages, reaches the relation between the longest writing time.
Figure 23 be 6 channel audio signal situation lower channels, sample frequency, quantization digit, data transfer rate, and the longest writing time between the diagram of relation.
Figure 24 is the diagram of audio frequency DVD.
Figure 25 is the diagram of ACD regional structure.
Figure 26 is the diagram of audio frequency DVD record format according to a second embodiment of the present invention.
Figure 27 is the diagram of packet sequence.
Figure 28 is the diagram of the signal record form of DVD-Van.
Figure 29 is the diagram of the signal record form of video DVD.
Figure 30 is the diagram of the signal record form of DVD-Avd.
Figure 31 is the diagram of AOTT-AOB-ATR regional structure.
Figure 32 is the diagram of channel allocation.
Figure 33 is the diagram of linear PCM audio pack structure.
Figure 34 is the diagram of ADI regional structure among Figure 33.
Figure 35 is the diagram of AOTT-VOB-AST-ATR regional structure.
Figure 36 is the block diagram of a third embodiment in accordance with the invention audio signal encoding apparatus.
Figure 37 is the block diagram of signal processing circuit among Figure 36.
Figure 38 is the block diagram that a fourth embodiment in accordance with the invention comprises the audio frequency DVD player of audio signal decoder.
Figure 39 is the block diagram that comprises the audio frequency DVD player of audio signal decoder according to a fifth embodiment of the invention.
Figure 40 is the block diagram that comprises the audio frequency DVD player of audio signal decoder according to a sixth embodiment of the invention.
Figure 41 is the block diagram that comprises the audio frequency DVD player of audio signal decoder according to a seventh embodiment of the invention.
Figure 42 is the block diagram according to eighth embodiment of the present invention Disc player.
Figure 43 is the block diagram according to ninth embodiment of the present invention Disc player.
Embodiment
First embodiment
Fig. 1 illustrates the signal record form of video DVD (digital video disk-video).Shown in 1, video DVD has the first area of distributing to Video Manager VMG.What follow the VMG zone is respectively the sequence of distributing to second and the back region of video work set VTS.
Each VTS zone has a series of zones, promptly distribute to VTS information VTSI a zone, distribute to one or more zones of each video content set of blocks VCBS and distribute to the zone of VTS information VTSI.First video content set of blocks VCBS storage is used to refer to the menu information of menu screen.
Each VCBS zone has a series of zones of distributing to video content piece VCB respectively.Each video content piece VCB is corresponding to a video work.
Each VCB zone has a series of zones that correspond respectively to each chapter.Each chapter comprises the information of expression by the part of works of PTT mark.
Each chapter has a series of unit.There are a series of VCBU of VCB unit each unit.Each VCBU of VCB unit has a series of bags.Each is surrounded by 2048 bytes.
In each VCBU of VCB unit, first bag is controlling packet CONT, is thereafter a series of bags that comprise video packets V, audio pack A, reach subpicture bag SP.Controlling packet CONT is assigned to the information that is used to control the video packets V that follows controlling packet CONT.Control information comprises the video packets synchronizing information.Each audio pack is distributed to voice data.
Fig. 2 illustrates the signal record form according to first embodiment of the present invention audio frequency DVD (digital audio optic disk).Audio frequency DVD and video DVD (referring to Fig. 1) compatibility.Shown in 2, audio frequency DVD has the first area of distributing to audio manager AMG.AMG zone heel is distributed to second and a series of zones afterwards of audio production set A TS respectively.
Each ATS zone has a series of zones, promptly distribute to ATS information A TSI a zone, distribute to one or more zones of each audio content set of blocks ACBS and distribute to the zone of ATS information A TSI.ATS information A TSI indicates the reproduction time length of each melody of being represented by the voice data among the audio content set of blocks ACBS.The reproduction time length of each melody was represented by actual time.First audio content set of blocks ACBS storage is used to refer to the menu information of menu screen.
Each ACBS zone has a series of zones of distributing to audio content piece ACB respectively.Each audio content piece ACB is corresponding to an audio production.
Each ACB zone has a series of zones that correspond respectively to.Each road comprises the information of expression by the part of the works of PTT mark.
Each road has a series of index (unit).Each index has a series of ACBU of ACB unit.Each ACBU of ACB unit has a series of bags.Each bag has 2048 bytes.
In each ACBU of ACB unit, first bag is audio frequency controlling packet A-CONT, a series of a series of bags that comprise audio pack A1 and A2 and video packets V of heel.Audio frequency controlling packet A-CONT distributes to the information of the sound signal (voice data) that is used for managing the audio pack A1 that follows audio frequency controlling packet A-CONT and A2.Management information among the audio frequency controlling packet A-CONT is substantially similar to TOC (catalogue) information in the mini disk (CD).Management information comprises the audio pack synchronizing information.Each audio pack A1 and A2 distribute to voice data.Video packets V distributes to video data and non-audio data, such as closed caption (CC) data.Video packets V can omit from the ACBU of ACB unit.
Should be noted that each ACBU of ACB unit also can comprise controlling packet CONT.
As shown in Figure 3, AMG zone (referring to Fig. 2) storing audio management information AMG1, for the audio content set of blocks AMGM-ACBS and the backup audio management information AMGI of an AMG menu.Audio frequency controller information A MGI has TOC (catalogue) information.Audio content set of blocks AMGM-ACBS has respectively expression control information PCI and the data serch information DSI as the control information segment.
As shown in Figure 4, ATS zone (referring to Fig. 2) storing audio works set information A TSI, the audio content set of blocks ATSM-ACBS that is used for the ATS menu, the audio content set of blocks ATSA-ACBS that is used for the ATS works, and backup audio works set information A TSI.Audio production aggregate information ATSI has TOC (catalogue) information.Each audio content set of blocks ATSM-ACBS and ATSA-ACBS have expression control information PCI and data serch information DSI.
As shown in Figure 5, audio manager information A MGI (referring to Fig. 3) has its admin table AMGI-MAT, works retrieval pointer gauge T-SRPT, the Table A MGM-PGCI-UT of audio manager menu programs chain information unit, father and mother's management information table PTL-MAIT, audio production aggregate attribute Table A TS-ATRT, text data manager TXTDT-MG, audio manager menu cell (index) address table AMGM-C-ADT, reaches audio manager menu audio content block unit map addresses AMGM-ACBU-ADMAP.
As shown in Figure 6, audio production aggregate attribute Table A TS-ATRT (referring to Fig. 5) has audio production aggregate attribute table information A TS-ATRTI, be used for each " n " individual audio production set A TS audio production aggregate attribute retrieval pointer ATS-ATR-SRP# 1, ATS-ATR-SRP# 2 ... ATS-ATR-SRP#n, be used for each " n " individual audio production set A TS audio production aggregated attribute data segment ATS-ATR-#1, ATS-ATR-#2 ... ATS-ATR-#n.
As shown in Figure 7, each audio production aggregated attribute data segment ATS-ATR-#1, ATS-ATR-#2 ... the kind ATS-CAT of the end address ATS-ATR-EA of ATS-ATR-#n (referring to Fig. 6) expression audio production aggregate attribute, audio production set, and audio production aggregate attribute information A TS-ATRI.
As shown in Figure 8, audio production aggregate information ATSI (referring to Fig. 4) has the admin table ATSI-MAT of audio production aggregate information ATSI, the part works retrieval pointer gauge ATS-PTT-SRPT that is used for the audio production set, the program chain information table ATS-PGCIT that is used for the audio production set, the Table A TSM-PGCI-UT of PGCI unit that is used for audio production set menu, the time map table ATS-TMAPT that is used for the audio production set, unit (index) the address table ATSM-C-ADT that is used for audio production set menu, the audio content block unit map addresses ATSM-ACBU-ADMAP that is used for audio production set menu, unit (index) the address table ATS-C-ADT that is used for the audio production set, and the audio content block unit map addresses ATS-ACBU-ADMAP that is used for the audio production set.
As shown in Figure 9, audio production aggregate information admin table ATSI-MAT (referring to Fig. 8) has the identifier ATS-ID that is used for the audio production set, the end address ATS-EA of audio production set, the end address ATSI-EA of audio production aggregate information, the VERN of version number of audio frequency DVD standard, the kind ATS-CAT of audio production set, the end address ATSI-MAT-EA of audio production aggregate information admin table, the start address ATSM-ACBS-SA of ATS menu audio content set of blocks, the start address ATSA-ACBS-SA of ATS works audio content set of blocks, the start address ATS-PTT-SRPT-SA of audio production set part works retrieval pointer gauge, the start address ATS-PGCIT-SA of audio production set program chain information table, the start address ATSM-PGCI-UT-SA of audio production set menu programs chain information unit table, the start address ATS-TMAPT-SA of audio production set time map table, the start address ATSM-C-ADT-SA of audio production set menu cell address table, the start address ATSM-ACBU-ADMAP-SA of ATS menu content block unit map addresses, ATS menu audio stream attribute ATSM-AST-ATR, the number ATS-AST-Ns of the audio stream in the audio production set, and ATS audio stream attribute Table A TS-AST-ATRT.
As shown in figure 10, ATS menu audio stream attribute ATSM-AST-ATR (referring to Fig. 9) has a series of 8 bytes, promptly 64 b63, b62, b61 ... b1, b0.Position b63, b62, and the set of b61 represent from Doby AC-3 coded system, corresponding to MPEG-1 or MPEG-2 without any the coded system of expansion bit stream, corresponding to MPEG-2 have expansion bit stream coded system, the first linear PCM audio coding mode, and the second linear PCM audio coding mode selected a kind of audio coding mode.The second linear PCM audio coding mode be a kind of comprise corresponding to 2 passages add 5 passages subtype (sub type), corresponding to 2 passages add 6 passages subtype, and add the type of the subtype of 8 passages corresponding to 2 passages.Specifically, bit sequence " 000 " is distributed to Doby AC-3 coded system.Bit sequence " 010 " is distributed to the coded system without any expansion bit stream corresponding to MPEG-1 or MPEG-2.Bit sequence " 011 " is distributed to the coded system that has expansion bit stream corresponding to MPEG-2.Bit sequence " 100 " is distributed to the first linear PCM audio coding mode.Bit sequence " 101 " is distributed to the second linear PCM audio coding mode.
The information of quantification/dynamic range control (DRC) is represented in position b55 among the ATS menu audio stream attribute ATSM-AST-ATR and the set of b54.When audio coding mode was " 000 ", the information setting of quantification/DRC was " 11 ".When audio coding mode was " 010 " or " 011 ", bit sequence " 00 " expression relevant with the information of quantification/DRC lacked the disappearance from the dynamic control of data of mpeg audio stream.When audio coding mode was " 010 " or " 011 ", the bit sequence " 01 " relevant with the information of quantification/DRC was illustrated in the mpeg audio stream and has dynamic control of data.When audio coding mode was " 100 " or " 101 ", the bit sequence " 00 " relevant with the information of quantification/DRC represented that each passage (two stereo channels) has 16 to each signal sampling.When audio coding mode was " 100 " or " 101 ", the bit sequence " 01 " relevant with the information of quantification/DRC represented that each passage (two stereo channels) has 20 to each signal sampling.When audio coding mode was " 100 " or " 101 ", the bit sequence " 10 " relevant with the information of quantification/DRC represented that each passage (two stereo channels) has 24 to each signal sampling.
The set of position b53 and b52 among the ATS menu audio stream attribute ATSM-AST-ATR represent with two stereo channels in each relevant sample frequency " fs ".Specifically, bit sequence " 00 " indication sample frequency " fs " equals 48kHz.Bit sequence " 01 " indication sample frequency " fs " equals 96kHz.Bit sequence " 10 " indication sample frequency " fs " equals 192kHz.
The voice-grade channel number is represented in position b50, b49 among the ATS menu audio stream attribute ATSM-AST-ATR and the set of b48.Specifically, bit sequence " 000 " indication has only a passage (monophony).Bit sequence " 001 " indication has two stereo channels.Bit sequence " 010 " indication has three passages.Bit sequence " 011 " indication has four passages.Bit sequence " 100 " indication has two stereo channels to add five passages.Bit sequence " 101 " indication has two stereo channels to add six passages.Bit sequence " 110 " indication has seven passages.Bit sequence " 111 " indication has two stereo channels to add eight passages.
As shown in figure 11, ATS audio stream attribute Table A TS-AST-ATRT (referring to Fig. 9) have each ATS audio stream ATS-AST-#0, ATS-AST-#1 ..., the attribute ATS-AST-ATR of ATS-AST-#7.Each ATS audio stream attribute ATS-AST-ATR has 8 bytes.So whole byte numbers of expression ATS audio stream attribute Table A TS-AST-ATRT equal 64.
As shown in figure 12, each ATS audio stream attribute ATS-AST-ATR (referring to Figure 11) has the sequence of one 8 bytes, promptly 64 b63, b62, b61 ..., b1, b0.Position b63, b62 among the ATS audio stream attribute ATS-AST-ATR and the set of b61 are represented as the audio coding mode (referring to Figure 10) among the ATS menu audio stream attribute ATSM-AST-ATR.The information (referring to Figure 10) as the quantification/dynamic range control (DRC) among the ATS menu audio stream attribute ATSM-AST-ATR is represented in position b55 among the ATS audio stream attribute ATS-AST-ATR and the set of b54.Position b53 among the ATS audio stream attribute ATS-AST-ATR and the set of b52 are represented as the sample frequency " fs " (referring to Figure 10) among the ATS menu audio stream attribute ATSM-AST-ATR.Position b50, b49 among the ATS audio stream attribute ATS-AST-ATR and the set of b48 are represented as the voice-grade channel number (referring to Figure 10) among the ATS menu audio stream attribute ATSM-AST-ATR.
Position b60 among the ATS audio stream attribute ATS-AST-ATR represents the information of hyperchannel expansion ME.Audio types is represented in position b59 among the ATS audio stream attribute ATS-AST-ATR and the set of b58.
The voice applications mode is represented in position b57 among the ATS audio stream attribute ATS-AST-ATR and the set of b56.Specifically, bit sequence " 01 " indication Karaoke mode.Bit sequence " 10 " indicating ring is around mode.Bit sequence " 11 " indication 2 passages add around mode.
The information to relevant audio stream AST refinement (extraction) is represented in position b47 among the ATS audio stream attribute ATS-AST-ATR and the set of b46.Specifically, bit sequence " 00 " indication refinement is corresponding to " fully " (1/1, do not have refinement).Bit sequence " 01 " indication refinement is corresponding to " half " (1/2).Bit sequence " 10 " indication refinement is corresponding to " 1/4th " (1/4).
The information to the refining data in relevant low-frequency effect (LFE) passage is represented in position b45 among the ATS audio stream attribute ATS-AST-ATR and the set of b44.Specifically, bit sequence " 00 " indication refinement is corresponding to " fully " (1/1, do not have refinement).Bit sequence " 01 " indication refinement is corresponding to " half " (1/2).Bit sequence " 10 " indication refinement is corresponding to " 1/4th " (1/4).
For audio stream AST# 0, position b50, b49 and b48 (referring to Figure 10) among the ATS menu audio stream attribute ATSM-AST-ATR are fixed to " 001 ", and indication has two stereo channels.For audio stream AST# 1, position b50, b49 and b48 (referring to Figure 10) among the ATS menu audio stream attribute ATSM-AST-ATR are fixed to " 010 ", and indication has three passages.
Sound signal at a works record has two stereo channels to add under the situation of six passages, 2 channel stereo signal allocation are given audio stream AST# 0, and 3 passage front signals in 6 channel signals are distributed to audio stream AST# 1, and signal and 1 passage LFE signal allocation are given audio stream AST# 2 behind 2 passages.Under this situation, the use of three audio streams of signal " 3 " expression (AST# 0, AST# 1, and AST#2) places the admin table AMGI-MAT in the audio manager information A MGI of Fig. 5, and among the admin table AMGI-MAT in the audio production aggregate information ATSI of Fig. 8.
Below will have two stereo channels and add six passages, and describe in the situation that before the recording digital audio signal original analog audio signal is processed as digital audio and video signals under condition shown below to the original analog audio signal.With 48kHz frequency " fs " 2 tunnels analogy stereophonic signals are sampled, and quantize with quantization digit 20.With 96kHz frequency " fs " 3 tunnels analogy front signals are sampled, and quantize with quantization digit 16.With 48kHz frequency " fs " to 2 tunnels analogies after signal and 1 tunnels analogy LFE signal sample, and quantize with quantization digit 16.8 not refinements of channel digital signal of gained as a result.Under this situation, the following attribute information segment that two stereo channels are set in the ATS of Figure 10 menu audio stream attribute ATSM-AST-ATR.Position b63, b62 and b61 among the ATS menu audio stream attribute ATSM-AST-ATR are set to " 101 ", and expression comprises corresponding to 2 passages and adds paying type, adding paying type, and adding the second linear PCM audio coding mode of the type of paying type of 8 passages corresponding to 2 passages of 6 passages corresponding to 2 passages of 5 passages.Position b55 and b54 among the ATS menu audio stream attribute ATSM-AST-ATR are set to " 01 ", and each of two stereo channels of expression has 20 to each signal sampling.Position b53 and b52 among the ATS menu audio stream attribute ATSM-AST-ATR are set to " 00 ", and expression sample frequency " fs " equals 48kHz.Position b50, b49 and b48 among the ATS menu audio stream attribute ATSM-AST-ATR are set to " 101 ", and expression has two stereo channels to add six passages.
Under said circumstances, the pieces of information that sets a property for audio stream AST#0 among the ATS audio stream attribute ATS-AST-ATR among Figure 12 is as follows.Position b63, b62 and b61 among the ATS audio stream attribute ATS-AST-ATR are set to " 101 ", and expression comprises corresponding to 2 passages and adds paying type, adding paying type, and adding the second linear PCM audio coding mode of the type of paying type of 8 passages corresponding to 2 passages of 6 passages corresponding to 2 passages of 5 passages.Position b55 and b54 among the ATS audio stream attribute ATS-AST-ATR are set to " 01 ", and each of two stereo channels of expression has 20 to each signal sampling.Position b53 and b52 among the ATS audio stream attribute ATS-AST-ATR are set to " 00 ", and expression sample frequency " fs " equals 48kHz.Position b50, b49 and b48 among the ATS audio stream attribute ATS-AST-ATR are set to " 001 ", and expression has two stereo channels.Position b57 and b56 among the ATS audio stream attribute ATS-AST-ATR are set to " 11 ", represent that 2 passages add around mode.As the information to related audio stream AST#0 refinement, position b47 and b46 among the ATS audio stream attribute ATS-AST-ATR are set to " 00 ", and the indication refinement is corresponding to " fully " (1/1, do not have refinement).As the information of refining data in the relevant LFE passage, position b45 and b44 among the ATS audio stream attribute ATS-AST-ATR are set to " 00 ", and the indication refinement is corresponding to " fully " (1/1, do not have refinement).
Under said circumstances, as follows among the ATS audio stream attribute ATS-AST-ATR of Figure 12 to the audio stream AST#1 pieces of information that sets a property.Position b63, b62 and b61 among the ATS audio stream attribute ATS-AST-ATR are set to " 101 ", and expression comprises corresponding to 2 passages and adds paying type, adding paying type, and adding the second linear PCM audio coding mode of the type of paying type of 8 passages corresponding to 2 passages of 6 passages corresponding to 2 passages of 5 passages.Position b55 and b54 among the ATS audio stream attribute ATS-AST-ATR are set to " 00 ", represent that each passage has 16 to each signal sampling.Position b53 and b52 among the ATS audio stream attribute ATS-AST-ATR are set to " 01 ", and expression sample frequency " fs " equals 96kHz.Position b50, b49 and b48 among the ATS menu audio stream attribute ATSM-AST-ATR are set to " 010 ", and expression has three passages.Position b57 and b56 among the ATS audio stream attribute ATS-AST-ATR are set to " 11 ", represent that 2 passages add around mode.As the information to related audio stream AST#1 refinement, position b47 and b46 among the ATS audio stream attribute ATS-AST-ATR are set to " 00 ", and the indication refinement is corresponding to " fully " (1/1, do not have refinement).As the information of refining data in the relevant LFE passage, position b45 and b44 among the ATS audio stream attribute ATS-AST-ATR are set to " 00 ", and the indication refinement is corresponding to " fully " (1/1, do not have refinement).
Under said circumstances, as follows among the ATS audio stream attribute ATS-AST-ATR of Figure 12 to the audio stream AST#2 pieces of information that sets a property.Position b63, b62 and b61 among the ATS audio stream attribute ATS-AST-ATR are set to " 101 ", and expression comprises corresponding to 2 passages and adds paying type, adding paying type, and adding the second linear PCM audio coding mode of the type of paying type of 8 passages corresponding to 2 passages of 6 passages corresponding to 2 passages of 5 passages.Position b55 and b54 among the ATS audio stream attribute ATS-AST-ATR are set to " 00 ", represent that each passage has 16 to each signal sampling.Position b53 and b52 among the ATS audio stream attribute ATS-AST-ATR are set to " 00 ", and expression sample frequency " fs " equals 48kHz.Position b50, b49 and b48 among the ATS audio stream attribute ATS-AST-ATR are set to " 010 ", and expression has three passages.Position b57 and b56 among the ATS audio stream attribute ATS-AST-ATR are set to " 11 ", represent that 2 passages add around mode.As the information to related audio stream AST#2 refinement, position b47 and b46 among the ATS audio stream attribute ATS-AST-ATR are set to " 00 ", and the indication refinement is corresponding to " fully " (1/1, do not have refinement).As the information of refining data in the relevant LFE passage, position b45 and b44 among the ATS audio stream attribute ATS-AST-ATR are set to " 00 ", and the indication refinement is corresponding to " fully " (1/1, do not have refinement).
Referring to Figure 13, a packet sequence that comprises controlling packet CONT, audio pack A, audio frequency controlling packet A-CONT and video packets V is arranged.Audio stream is recorded among the audio pack A.Each VCBU of VCB unit has one group corresponding to 0.4 second to 1.0 seconds continuous bag of time span.The sum that wraps among VCBU of VCB unit is arbitrarily.First bag among each VCBU of VCB unit is controlling packet CONT.On the other hand, each ACBU of ACB unit has one group corresponding to 0.5 second to 1.0 seconds continuous bag of time span.The sum that wraps among ACBU of ACB unit is arbitrarily.First bag among each ACBU of ACB unit is audio frequency controlling packet A-CONT.Audio frequency controlling packet A-CONT among the audio frequency DVD among each ACBU of ACB unit is arranged in the position corresponding to the 3rd bag of the video DVD VCBU of VCB unit.
Basically, audio frequency controlling packet A-CONT separates with the interval corresponding to 0.5 second.In the border between index (unit), audio frequency controlling packet A-CONT is to separate corresponding to 0.5 second interval to 1.0 second time.
The time relevant with audio frequency (GOF, audio frame group) is represented that by each audio frequency controlling packet A-CONT relevant Data Position is visited the unit pointer, reached the decision of frame title number by audio frame number, first.Can be filled out pad between audio frequency controlling packet A-CONT, to provide 0.5 second interval near the audio pack A before the audio frequency controlling packet A-CONT.
The audio signal segment that is stored in each adjacent audio pack A has predetermined relation each other.Sound signal at record is under the situation of stereo type, and adjacent audio pack A stores left-channel signal section and right channel signal section respectively.Sound signal at record is that adjacent audio pack A stores different channel signal sections respectively under the situation of multi-channel type (5 channel-styles, 6 channel-styles, or 8 channel-styles).
The relevant image information of audio signal segment among each video packets V storage and near the audio pack A of video packets V.
As shown in figure 14, each audio pack A and video packets V have filling information, and the sequence of the bag shape user data of 2,034 bytes of 4 byte packet log-on messages, 6 byte SCR (system clock reference) information, 3 byte multiplexings (mux) rate information, 1 byte.Like this, each audio pack A and video packets V have 2048 bytes.In each audio pack A or video packets V, wrap log-on message, SCR information, multiplexed rate information, reach the packet header that filling information is formed 14 bytes.The effect of the SCR information among each audio pack A or the video packets V is as a markers.
Markers in the audio pack relevant with works among first audio pack A is set to " 1 ".Markers in second and the audio pack afterwards relevant with same works be set to respectively serial number " 2 ", " 3 ", " 4 " ....The markers of serial number makes it possible to the time of the audio pack relevant with same works is managed.
As shown in Figure 15, the audio frequency character of each audio frequency controlling packet A-CONT with system's title, 1003 bytes of packet header, 24 bytes of 14 bytes shows (ACD) bag, an and sequence of audio retrieval data (ASD) bag of 1007 bytes.ACD wraps packet header, the zone of distributing 1 byte of payment traffic identifier (ID) information, the zone of distributing to 636 bytes of audio frequency character demonstration (ACD) information with 6 bytes, a sequence that reaches the reserve area of 360 bytes.ASD bag have 6 bytes packet header, distribute 1 byte of payment traffic identifier (ID) information the zone, distribute to the sequence in zone of 1000 bytes of audio retrieval data (ASD) information.
As shown in Figure 16, the ACD information area of 636 bytes have 48 bytes of distributing to general information the zone, be used for 294 byte area of first language and be used for 294 byte area of second language.The zone that is used for 294 bytes of first language is divided into free space zone, and the data pointer zone of 15 bytes of free space zone, the 2 93 byte of the name space zone of 93 bytes, the one 93 byte.Similarly, 294 byte area that are used for second language are divided into free space zone, and the data pointer zone of 15 bytes of free space zone, the 2 93 byte of name space zone, the one 93 byte of 93 bytes.At first language is under the situation of Japanese, and as shown in figure 17, the name space area stores that is used for 93 bytes of first language represents to be added with the data of the Japanese melody title of English.At second language is under the situation of English, and the name space area stores that is used for 93 bytes of second language is represented the data of English melody title.First and second language can be by publisher's decision of this audio frequency DVD.
The general information zone of 48 bytes has 16 byte area, 12 byte area of distributing to language code information, 6 byte area of distributing to character code set information, 6 byte area of distributing to display items information of distributing to service class information, distributes to and 2 byte area of the differential information of previous ACD information, and the reserve area of 6 bytes in the ACD information area of Figure 16.The service class information representation display size of 16 bytes, display type, a differentiation among audio frequency, video and pair picture SP, and a stream.Character by 48 byte general informations regulations is indispensable, and is optional by its regulation bitmap.12 byte language code information have the one 2 byte information segment, and the 22 byte information segment of regulation second language of regulation first language.Can stipulate eight or language still less in the file.About first and second language, English is indispensable.
The character code set information representation of 6 bytes is corresponding to 15 or character code word still less of language codes word.The character code set information of 6 bytes has the pieces of information of 1 byte, and expression exists or do not have first and second language, also represents the type of first and second language.For example, the first language coded word is corresponding to " ISO646 " standard, and the second language coded word is corresponding to " ISO8859-1 " standard, and the 3rd language codes word is corresponding to " MS-JIS " standard.
Whether the display items information representation of 6 bytes exists or does not exist free space (referring to Figure 16) that is used for first and second language and the data pointer (referring to Figure 16) that is used for first and second language.6 byte display items information comprise relevant ID (sign) information.Should be noted that the name space (referring to Figure 16) that is used for first and second language is indispensable.The pieces of information of work title, the pieces of information of music title, the pieces of information of artist name are stored in the name space zone that is used for first and second language.
As shown in figure 18, the audio retrieval data (ASD) of 1000 bytes zones (referring to Figure 15) be divided into 16 bytes of distributing to general information the zone, distribute to 8 bytes of current number information the zone, distribute to 16 bytes of current time information the zone, distribute to works set retrieving information 8 byte area, distribute to the works retrieving information 8 byte area, distribute to retrieving information 404 byte area, distribute to 408 byte area of indexed search information, distribute to 80 byte area, and the reserve area of 52 bytes of high brightness retrieving information.
The current number information zone of 8 bytes among Figure 18 be divided into the current works number of distributing to relevant works set BCD information 2 bytes the zone, distribute to relevant works set current road number BCD information 2 bytes the zone, distribute to zone, and the reserve area of 2 bytes of 2 bytes of BCD information of the current index number in relevant road.
The current time information zone of 16 bytes among Figure 18 be divided into the playback duration of distributing to relevant road BCD information 4 bytes the zone, distribute to relevant road the residue playback duration BCD information 4 bytes the zone, distribute to relevant works absolute time BCD information 4 bytes the zone and distribute to the zone of 4 bytes of BCD information of the residue absolute time of relevant works.
The works of 8 bytes among Figure 18 set retrieving information zone be divided into distribute to relevant relevant works gather first sector sequence numbering information 4 byte area and distribute to 4 byte area of information that relevant relevant works are gathered the sequence numbering of last sector.
The works retrieving information zone of 8 bytes among Figure 18 is divided into 4 byte area of distributing to the information of the sequence numbering of first sector in the relevant works and distributes to 4 byte area of information of the sequence numbering of the relevant last sector of works.
The retrieving information zone, road of 404 bytes among Figure 18 is divided into 4 of the information of distributing to sector sequence numbering and road sequence numbering in the relevant works and takes advantage of 99 byte area, distributes to 4 byte area of the first road sequence numbering information in the relevant works and distribute in the relevant works 4 byte area of the sequence numbering information in road at last.
The indexed search information area of 408 bytes among Figure 18 is divided into 4 of the information of distributing to sector sequence numbering and indexed sequential number in the relevant road to be taken advantage of 100 byte area, distribute to 4 byte area of the first indexed sequential number information in the relevant road and distributes in the relevant road 4 byte area of the sequence numbering information of index at last.
The high brightness retrieving information zone of 80 bytes among Figure 18 is divided into to be distributed in the relevant road in the sector 4 of sequence numbering information and takes advantage of 10 byte area and distribute in the road of being correlated with outside the sector 4 of sequence numbering information and take advantage of 10 byte area.
Referring to Fig. 2 and Figure 13, in audio frequency DVD, audio frequency controlling packet A-CONT leads over a plurality of audio pack A conversely.Audio frequency controlling packet A-CONT storage is used for the information of managed storage in the audio signal segment of follow-up audio pack A.In audio frequency DVD, voice data can be independent of video data.Audio frequency DVD has the audio recording capacity bigger than video DVD.Audio frequency controlling packet A-CONT among the audio frequency DVD allows to carry out the management of the time relevant with audio frequency.For example, the character information of expression melody title can be read from audio frequency controlling packet A-CONT.
In audio frequency DVD, each audio frequency controlling packet A-CONT storage representation works, start address, and the management information (TOP information) of reproduction time.During audio frequency dvd playback sound signal, the needed information of user can be read from audio frequency controlling packet A-CONT, and shows on the display of audio frequency DVD player.By the information shown in the reference table, the user can determine the position of desirable playback again.Response user's request can restart playback from desirable position.
In audio frequency DVD, audio manager information A MGI and audio production aggregate information ATSI have TOC information.Before audio frequency dvd playback sound signal, can read TOC information from audio frequency DVD, and store in the interior storer of audio frequency DVD player.User's information requested can read and be illustrated on the display of audio frequency DVD player from storer.By the information shown in the reference table, the user can determine desirable playback start position.Response user's request can begin playback from desirable position.
About audio frequency DVD, can realize works, melody, and the retrieval and the random access of index.In addition, can realize the retrieval of random access, time, and melody head retrieval by GOF (audio frame group) unit.In addition, can manage relevant time of works, time that melody is relevant, and relevant time of index in real time.
Video packets V among the audio frequency DVD makes it possible to manage and represent the current time and the residue reproduction time of melody or works.
The packet sequence that should be noted that Figure 13 can be replaced by the packet sequence of the Figure 19 that has omitted video packets V and controlling packet CONT from it.
As shown in Figure 20, can be recorded in the time span of the sound signal on the audio frequency DVD and sound signal port number, sample frequency " fs ", and quantization digit relevant.The time span scope from dozens of minutes to about four percentage clocks.
Figure 21 illustrate can be recorded in last 2 passages of audio frequency DVD add 6 channel audio signals time span, sample frequency " fs ", and quantization digit between relation.Under this situation, 6 passages are 3 prepass, passage and a LFE passage after 2.Among Figure 21, the time span scope was from 62 minutes to 70 minutes.
Figure 22 illustrate can be recorded in last 2 passages of audio frequency DVD add 5 channel audio signals time span, sample frequency " fs ", and quantization digit between relation.Under this situation, 5 passages are passage behind 3 prepass and 2.Among Figure 22, the time span scope was from 62 minutes to 67 minutes.
Figure 23 illustrate the time span that can be recorded in last 6 channel audio signals of audio frequency DVD, sample frequency " fs ", and quantization digit between relation.Under this situation, 6 passages are passage and LFE passage behind 3 prepass, 2.Among Figure 23, the time span scope was from 65 minutes to 86 minutes.
Referring to Figure 24, audio frequency DVD (label D) has inner region D1 and exterior domain D2.Exterior domain D2 expands to outside the inner region D1.Audio frequency DVD (label D) is used for 2 passages and adds multi-channel audio signal.The audio stream relevant with hyperchannel is stored among the inner region D1, and the audio stream relevant with 2 passages is stored among the exterior domain D2.
As mentioned above, can from Doby AC-3 coded system, corresponding to MPEG-1 or MPEG-2 without any the coded system of expansion bit stream, corresponding to MPEG-2 have expansion bit stream coded system, the first linear PCM audio coding mode, and the second linear PCM audio coding mode select a kind of audio coding mode.Meet at audio coding mode under the situation of Doby AC-3 coded system, MPEG-1 or MPEG-2 coded system, sample frequency " fs " and quantization digit for the passage except prepass preferably equal standard value, and are different from standard value for prepass sample frequency " fs " and quantization digit.
Should be noted that 636 byte ACD information areas among Figure 16 can be replaced by 636 byte ACD information areas among Figure 25.636 byte ACD information areas among Figure 25 have 48 byte area of distributing to general information, be used for a kind of 294 byte area of language and distribute to 294 byte area of audio reproducing control information.The information of melody title is represented in the 294 byte area storage that is used for language as audio-guided being used for.294 byte area that are used for language are divided into free space zone, and the data pointer zone of 15 bytes of free space zone, the 2 93 byte of the name space zone of 93 bytes, the one 93 byte.
The audio reproducing control information zone of 294 bytes is divided into zone, and the reserve area of 44 bytes of 250 bytes of distributing to the audio reproducing control information.250 audio frequency of byte reproduction control information zones are divided into ten 25 byte area distributing to different audio reproducing control information segments respectively.The audio reproducing control information zone of each 25 byte be divided into 20 bytes of distributing to graphic equalizer information the zone, distribute to 3 byte area of balance of power level information and distribute to 2 byte area that echo increases information.During audio frequency dvd playback sound signal, can select one of audio reproducing control information segment to control the quality of reproducing sound by the user.Audio reproducing control information segment is the data of being recommended by professional audio mixing personnel, and it can be according to the type of melody and the quality of music playing and the state optimization reproduction sound of recording.The reserve area of 44 bytes can be stored and be used for the audio mixing coefficient of 6 channel audio signal audio mixings in 2 channel audio signals.
Second embodiment
Figure 26 illustrates audio frequency DVD (digital audio optic disk) signal record form according to a second embodiment of the present invention.Audio frequency DVD among Figure 26 has a zone distributing to the audio production catalog aggregator ATS_D that comprises several audio production set A TS.Audio frequency DVD among Figure 26 is without any the zone of distributing to video work set VTS.
The ATS_D zone has a zone, a zone distributing to audio manager menu AMGM of distributing to audio manager AMG, distributes to first audio production set A TS＜1〉a zone and distribute to second audio production set A TS＜2 a zone.Audio manager AMG comprises and is used to manage audio production set A TS＜1〉and ATS＜2 audio manager information A MGI.Audio manager AMG has the sort of structure that is similar among Fig. 3.
Audio production set A TS＜1〉structurally similar to ATS＜2.Thereby, below audio production set A TS＜1 only is described 〉.
As shown in figure 27, audio production set A TS＜1〉have and comprise audio pack A, still frame bag SPCT, and the packet sequence of real-time information bag RTI.Audio production set A TS＜1〉in packet sequence without any audio frequency controlling packet A-CONT.There is an about still frame bag SPCT in each road.Still frame bag SPCT is the video packets V of given type.Each still frame bag SPCT has packet header, packet header, reaches a sequence of the data of expression still frame.Real-time information bag RTI divides into groups corresponding to the ACD among the audio frequency controlling packet A-CONT.Each real-time information bag RTI has a sequence: packet header, packet header, pay flow identification information, ISRC information, special-purpose length for heading information, the identification information that is used for real-time information, byte of padding, and real-time data (audio frequency character video data) of expression.
Figure 28 represents the DVD-Van signal record form of (digital video disk-video adds the audio frequency guiding).DVD-Van among Figure 28 has a zone distributing to the video work catalog aggregator VTS_D that comprises several video work set VTS and distributes to the zone of audio-guided works set directory A NV-TS_D.VTS is corresponding to the DVD video data in the video work set, and audio-guided works set ANV-TS is corresponding to audio-guided data.Video work set VTS has the sort of structure that is similar among Fig. 1.
VTS_D zone among Figure 28 has a zone, a zone distributing to video manager menu VMGM of distributing to Video Manager VMG, distributes to first video work set VTS＜1〉a zone and distribute to second video work set VTS＜2 a zone.Video Manager VMG comprise be used for managing video works set VTS＜1 and VTS＜2 video manager information VMGI.Each video work set VTS＜1〉and VTS＜2 packet sequence that comprises video packets V and audio pack A had.
ANV-TS_D zone among Figure 28 has a zone distributing to audio manager AMG, distributes to first audio production set A TS＜1〉a zone and distribute to second audio production set A TS＜2 a zone.Audio manager AMG comprises and is used to manage audio production set A TS＜1〉with ATS＜2 audio manager information.Audio manager AMG has the sort of structure that is similar among Fig. 3.Each audio production set A TS＜1〉with ATS＜2 have a packet sequence that comprises audio pack A.First audio production set A TS＜1〉with first video work set VTS＜1 form a pair of.Second audio production set A TS＜2〉with second video work set VTS＜2 form a pair of.
Figure 29 illustrates the signal record form of video DVD (digital video optic disk).The video DVD of Figure 29 has a zone distributing to video work catalog aggregator VTS_D.VTS is corresponding to the DVD video data in the video work set.Video work set VTS has the sort of structure that is similar among Fig. 1.The video DVD of Figure 29 is without any the zone of the ATS_D that distributes to the audio production catalog aggregator.The video DVD of Figure 29 does not distribute to any zone of audio-guided works set directory A NV-TS_D.
The VTS_D zone of Figure 29 has a zone, a zone distributing to video manager menu VMGM of distributing to Video Manager VMG, distributes to first video work set VTS＜1〉a zone and distribute to second video work set VTS＜2 a zone.Video Manager VMG comprises and is used for managing video works set VTS＜1〉and VTS＜2 video manager information VMGI.Each video work set VTS＜1〉and VTS＜2 packet sequence that comprises video packets V and audio pack A had.
Figure 30 illustrates the DVD-Avd signal record form of (digital video disk-audio frequency adds the AV data).DVD-Avd among Figure 30 has a zone distributing to video work catalog aggregator VTS_D and distributes to the zone of audio production catalog aggregator ATS_D.VTS is corresponding to the DVD video data in the video work set, and audio production set A TS is corresponding to the DVD voice data.Video work set VTS has the sort of structure that is similar to Fig. 1.
VTS_D zone among Figure 30 has a zone distributing to Video Manager VMG, distributes to the zone of video manager menu VMGM and distributes to video work set VTS＜1〉a zone.Video Manager VMG comprises and is used for managing video works set VTS＜1〉video manager information VMGI.Video work set VTS＜1〉have a packet sequence that comprises video packets V and audio pack A.
ATS_D zone among Figure 30 has a zone, a zone distributing to audio manager menu AMGM of distributing to audio manager AMG, distributes to first audio production set A TS＜1〉a zone and distribute to second audio production set A TS＜2 a zone.Audio manager AMG comprises and is used to manage audio production set A TS＜1〉and ATS＜2 audio manager information A MGI.Audio manager AMG has the sort of structure that is similar among Fig. 3.First audio production set A TS＜1〉have a packet sequence that comprises audio pack A.First audio production set A TS＜1〉with first video work set VTS＜1 form a pair of.Second audio production set A TS＜2〉have and comprise audio pack A, still frame bag SPCT, and the packet sequence of real-time information bag RTI.Second audio production set A TS＜2〉do not have any audio frequency controlling packet A-CONT.
Each audio production set A TS＜1 among the audio frequency DVD of Figure 26〉and ATS＜2 audio production aggregate information ATSI comprised.Audio production aggregate information ATSI comprises and has the admin table ATSI-MAT that only contains audio production audio object attribute AOTT-AOB-ATR.
As shown in figure 31, only contain the sequence that audio production audio object attribute AOTT-AOB-ATR has 16 bytes, promptly b127, b126, b125 ..., totally 128 of b1, b0.Audio coding mode is represented in the set of position b127, b126, b125, b124, b123, b122, b121 and b120.The quantization digit Q1 of channel group " 1 " is represented in the set of position b111, b110, b109, b108.The quantization digit Q2 of channel group " 2 " is represented in the set of position b107, b106, b105, b104.The sample frequency fs1 of channel group " 1 " is represented in the set of position b103, b102, b101, b100.The sample frequency fs2 of channel group " 2 " is represented in the set of position b99, b98, b97, b96.Multi-channel type is represented in the set of position b95, b94, b93, b92.The distribution of passage is represented in the set of position b91, b90, b89, b88.Other position forms reserve area.
The audio coding mode of representing by position b127, b126, b125, b124, b123, b122, b121 and b120 among Figure 31 can from linear PCM audio coding mode, Dolby Digital coded system, the MPEG-2 coded system of not having expansion, the MPEG-2 coded system that expansion is arranged, DTS coded system, and the SDDS coded system select.Specifically, " 00000000 " bit sequence is distributed to the linear PCM audio coding mode." 00000001 " bit sequence is distributed to the Dolby Digital coded system." 00000010 " bit sequence is distributed to the MPEG-2 coded system of not having expansion." 00000011 " bit sequence is distributed to the MPEG-2 coded system of expansion." 00000100 " bit sequence is distributed to the DTS coded system." 00000101 " bit sequence is distributed to the SDDS coded system.
The quantization digit Q1 of the channel group of in Figure 31, representing " 1 " by position b111, b110, b109, b108 can 16,20, and 24 in change.Specifically, " 0000 " bit sequence is distributed to 16." 0001 " bit sequence is distributed to 20." 0010 " bit sequence is distributed to 24.
The quantization digit Q2 of the channel group of in Figure 31, representing " 2 " by position b107, b106, b105, b104 can 16,20, and 24 in change.Specifically, " 0000 " bit sequence is distributed to 16." 0001 " bit sequence is distributed to 20." 0010 " bit sequence is distributed to 24.
The state of the set of position b107, b106, b105, b104 has following relation with the Set Status of position b111, b110, b109, b108.When the set of position b111, b110, b109, b108 was " 0000 ", the set of position b107, b106, b105, b104 also was " 0000 ".In other words, when the quantization digit Q1 of channel group " 1 " equaled 16, the quantization digit Q2 of channel group " 2 " also equaled 16.When the set of position b111, b110, b109, b108 was " 0001 ", the set of position b107, b106, b105, b104 was " 0000 " or " 0001 ".In other words, when the quantization digit Q1 of channel group " 1 " equaled 20, the quantization digit Q2 of channel group " 2 " equaled 16 or 20.When the set of position b111, b110, b109, b108 was " 0010 ", the set of position b107, b106, b105, b104 was " 0000 ", " 0001 " or " 0010 ".In other words, when the quantization digit Q1 of channel group " 1 " equaled 24, the quantization digit Q2 of channel group " 2 " equaled 16,20 or 24.
The sample frequency fs1 of the channel group of representing by position b103, b102, b101, b100 " 1 " can 48kHz, 96kHz, 192kHz, 44.1kHz, 88.2kHz, and 176.4kHz among change.Specifically, bit sequence " 0000 " is distributed to 48kHz.Bit sequence " 0001 " is distributed to 96kHz.Bit sequence " 0010 " is distributed to 192kHz.Bit sequence " 1000 " is distributed to 44.1kHz.Bit sequence " 1001 " is distributed to 88.2kHz.Bit sequence " 1010 " is distributed to 176.4kHz.
The sample frequency fs2 of the channel group of representing by position b99, b98, b97, b96 " 2 " can 48kHz, 96kHz, 192kHz, 44.1kHz, 88.2kHz, and 176.4kHz among change.Specifically, bit sequence " 0000 " is distributed to 48kHz.Bit sequence " 0001 " is distributed to 96kHz.Bit sequence " 0010 " is distributed to 192kHz.Bit sequence " 1000 " is distributed to 44.1kHz.Bit sequence " 1001 " is distributed to 88.2kHz.Bit sequence " 1010 " is distributed to 176.4kHz.
The state of the set of position b99, b98, b97, b96 has following relation with the state of the set of position b103, b102, b101, b100.When the set of position b103, b102, b101, b100 was " 0000 ", the set of position b99, b98, b97, b96 also was " 0000 ".In other words, when the sample frequency fs1 of channel group " 1 " equaled 48kHz, the sample frequency fs2 of channel group " 2 " also equaled 48kHz.When the set of position b103, b102, b101, b100 was " 0001 ", the set of position b99, b98, b97, b96 was " 0000 " or " 0001 ".In other words, when the sample frequency fs1 of channel group " 1 " equaled 96kHz, the sample frequency fs2 of channel group " 2 " equaled 48kHz or 96kHz.When the set of position b103, b102, b101, b100 was " 0010 ", the set of position b99, b98, b97, b96 was " 0000 " " 0001 " or " 0010 ".In other words, when the sample frequency fs1 of channel group " 1 " equaled 192kHz, the sample frequency fs2 of channel group " 2 " equaled 48kHz, 96kHz or 192kHz.When the set of position b103, b102, b101, b100 was " 1000 ", the set of position b99, b98, b97, b96 also was " 1000 ".In other words, when the sample frequency fs1 of channel group " 1 " equaled 44.1kHz, the sample frequency fs2 of channel group " 2 " also equaled 44.1kHz.When the set of position b103, b102, b101, b100 was " 1001 ", the set of position b99, b98, b97, b96 was " 1000 " or " 1001 ".In other words, when the sample frequency fs1 of channel group " 1 " equaled 88.2kHz, the sample frequency fs2 of channel group " 2 " equaled 44.1kHz or 88.2kHz.When the set of position b103, b102, b101, b100 was " 1010 ", the set of position b99, b98, b97, b96 was " 1000 ", " 1001 " " 1010 ".In other words, when the sample frequency fs1 of channel group " 1 " equaled 176.4kHz, the sample frequency fs2 of channel group " 2 " equaled 44.1kHz, 88.2kHz or 176.4kHz.
Usually, position b95, b94 and b93 among Figure 31 are set to " 000 ", and the expression multi-channel type conforms to type " 1 ".
By position b92, b91, b90, b89 among Figure 31, channel allocation that b88 represents can be shown in Figure 32 21 kinds dissimilar in variation.Bit sequence " 00000 " is distributed to the channel allocation of the first kind, and wherein first passage ACH0 forms monophone channel C (mono), second and afterwards passage ACH1, ACH2, ACH3, ACH4 and ACH5 be not used.According to first kind channel allocation, monophone channel C (mono) is in group " 1 ".Like this, the port number in the group " 1 " equals one, and the port number of organizing in " 2 " equals zero.Bit sequence " 00001 " is distributed to the channel allocation of second type, and wherein the first and second passage ACH0 and ACH1 form left passage L and right passage R respectively, the 3rd and afterwards passage ACH2, ACH3, ACH4 and ACH5 be not used.Distribute according to second channel type, left passage L and right passage R are in group " 1 ".Like this, the port number in the group " 1 " equals two, and the port number of organizing in " 2 " equals zero.Bit sequence " 00010 " is distributed to the channel allocation of the 3rd type, wherein first, second and third channel ACH0, ACH1 and ACH2 form left front passage Lf and right front passage Rf respectively and around passage S, the 4th and afterwards passage ACH3, ACH4, ACH5 be not used.Distribute according to the 3rd channel type, left front passage Lf and right front passage Rf in group " 1 ", and around passage in group " 2 ".Like this, the port number in the group " 1 " equals two, and the port number of organizing in " 2 " equals one.Bit sequence " 00011 " is distributed to the channel allocation of the 4th type, wherein first, second, third and four-way ACH0, ACH1, ACH2 and ACH3 form left front passage Lf, right front passage Rf, a left side respectively around passage Ls and right around passage Rs, the 5th and the 6th passage ACH4 and ACH5 are not used.Distribute according to the 4th channel type, left front passage Lf and right front passage Rf in group " 1 ", and a left side around passage Ls and right around passage Rs in group " 2 ".Like this, the port number in the group " 1 " equals two, and the port number of organizing in " 2 " also equals two.Bit sequence " 00100 " is distributed to the channel allocation of the 5th type, wherein first, second and third channel ACH0, ACH1, ACH2 form left front passage Lf, right front passage Rf and low-frequency effect passage LFE respectively, and the 4th and afterwards passage ACH3, ACH4 and ACH5 be not used.Distribute according to the 5th channel type, left front passage Lf and right front passage Rf are in group " 1 ", and low-frequency effect passage LFE is in group " 2 ".Like this, the port number in the group " 1 " equals two, and the port number of organizing in " 2 " equals one.Bit sequence " 00101 " is distributed to the channel allocation of the 6th type, wherein first, second, third and four-way ACH0, ACH1, ACH2 and ACH3 form left front passage Lf, right front passage Rf, low-frequency effect passage LFE respectively, and around passage S, and the 5th and the 6th passage ACH4 and ACH5 are not used.Distribute according to the 6th channel type, left front passage Lf and right front passage Rf are in group " 1 ", and low-frequency effect passage LFE reaches around passage S in group " 2 ".Like this, the port number in the group " 1 " equals two, and the port number of organizing in " 2 " also equals two.Bit sequence " 00110 " is distributed to the channel allocation of the 7th type, wherein first, second, third, fourth and five-way road ACH0, ACH1, ACH2, ACH3 and ACH4 form left front passage Lf, right front passage Rf, low-frequency effect passage LFE, a left side respectively around passage Ls, right around passage Rs, and the 6th passage ACH5 is not used.Distribute according to the 7th channel type, left front passage Lf and right front passage Rf in group " 1 ", and low-frequency effect passage LFE, a left side around passage Ls and right around passage Rs in group " 2 ".Like this, the port number in the group " 1 " equals two, and the port number of organizing in " 2 " equals three.Bit sequence " 00111 " is distributed to the channel allocation of the 8th type, wherein first, second, third passage ACH0, ACH1 and ACH2 form left front passage Lf, right front passage Rf, and centre gangway C respectively, and the 4th and afterwards passage ACH3, ACH4 and ACH5 be not used.Distribute according to the 8th channel type, left front passage Lf and right front passage Rf are in group " 1 ", and centre gangway C is in group " 2 ".Like this, the port number in the group " 1 " equals two, and the port number of organizing in " 2 " equals one.Bit sequence " 01000 " is distributed to the channel allocation of the 9th type, wherein first, second, third and four-way ACH0, ACH1, ACH2 and ACH3 form left front passage Lf, right front passage Rf, centre gangway C respectively, and around passage S, and the 5th and the 6th passage ACH4 and ACH5 are not used.Distribute according to the 9th channel type, left front passage Lf and right front passage Rf in group " 1 ", and centre gangway C and around passage S in group " 2 ".Like this, the port number in the group " 1 " equals two, and the port number of organizing in " 2 " also equals two.Bit sequence " 01001 " is distributed to the channel allocation of the tenth type, wherein first, second, third, fourth and five-way road ACH0, ACH1, ACH2, ACH3 and ACH4 form left front passage Lf, right front passage Rf, centre gangway C, a left side respectively around passage Ls and right around passage Rs, and the 6th passage ACH5 is not used.Distribute according to the tenth channel type, left front passage Lf and right front passage Rf in group " 1 ", and centre gangway C, a left side around passage Ls and right around passage Rs in group " 2 ".Like this, the port number in the group " 1 " equals two, and the port number of organizing in " 2 " equals three.Bit sequence " 01010 " is distributed to the channel allocation of the 11 type, wherein first, second, third and four-way ACH0, ACH1, ACH2 and ACH3 form left front passage Lf, right front passage Rf, centre gangway C and low-frequency effect passage LFE respectively, and the 5th and the 6th passage ACH4 and ACH5 are not used.Distribute according to the 11 channel type, left front passage Lf and right front passage Rf are in group " 1 ", and centre gangway C and low-frequency effect passage LFE are in group " 2 ".Like this, the port number in the group " 1 " equals two, and the port number of organizing in " 2 " also equals two.Bit sequence " 01011 " is distributed to the channel allocation of the 12 type, wherein first, second, third, fourth and five-way road ACH0, ACH1, ACH2, ACH3 and ACH4 form left front passage Lf, right front passage Rf, centre gangway C, low-frequency effect passage LFE respectively and around passage S, and the 6th passage ACH5 is not used.Distribute according to the 12 channel type, left front passage Lf and right front passage Rf are in group " 1 ", and centre gangway C, low-frequency effect passage LFE reach around passage S in group " 2 ".Like this, the port number in the group " 1 " equals two, and the port number of organizing in " 2 " equals three.Bit sequence " 01100 " is distributed to the channel allocation of the 13 type, and wherein the first, second, third, fourth, the 5th and the 6th passage ACH0, ACH1, ACH2, ACH3, ACH4 and ACH5 form left front passage Lf, right front passage Rf, centre gangway C, low-frequency effect passage LFE, a left side respectively around passage Ls and right around passage Rs.Distribute according to the 13 channel type, left front passage Lf and right front passage Rf be in group " 1 ", and centre gangway C, low-frequency effect passage LFE, a left side around passage Ls and right around passage Rs in group " 2 ".Like this, the port number in the group " 1 " equals two, and the port number of organizing in " 2 " equals four.Bit sequence " 01101 " is distributed to the channel allocation of the 14 type, wherein first, second, third, fourth passage ACH0, ACH1, ACH2 and ACH3 form left front passage Lf, right front passage Rf, centre gangway C respectively, around passage S, the 5th and the 6th passage ACH4 and ACH5 are not used.Distribute according to the 14 channel type, left front passage Lf, right front passage Rf and centre gangway C in group " 1 ", around passage S in group " 2 ".Like this, the port number in the group " 1 " equals three, and the port number of organizing in " 2 " equals one.Bit sequence " 01110 " is distributed to the channel allocation of the 15 type, wherein first, second, third, fourth and five-way road ACH0, ACHI, ACH2, ACH3 and ACH4 form left front passage Lf, right front passage Rf, centre gangway C, a left side respectively around passage Ls and right around passage Rs, the 6th passage ACH5 is not used.Distribute according to the 15 channel type, left front passage Lf, right front passage Rf and centre gangway C in group " 1 ", a left side around passage Ls and right around passage Rs in group " 2 ".Like this, the port number in the group " 1 " equals three, and the port number of organizing in " 2 " equals two.Bit sequence " 01111 " is distributed to the channel allocation of the 16 type, wherein first, second, third and four-way ACH0, ACH1, ACH2 and ACH3 form left front passage Lf, right front passage Rf, centre gangway C, and low-frequency effect passage LFE respectively, the 5th and the 6th passage ACH4 and ACH5 are not used.Distribute according to the 16 channel type, left front passage Lf, right front passage Rf and centre gangway C are in group " 1 ", and low-frequency effect passage LFE is in group " 2 ".Like this, the port number in the group " 1 " equals three, and the port number of organizing in " 2 " equals one.Bit sequence " 10000 " is distributed to the channel allocation of the 17 type, wherein first, second, third, fourth and five-way road ACH0, ACH1, ACH2, ACH3 and ACH4 form left front passage Lf, right front passage Rf, centre gangway C respectively, and low-frequency effect passage LFE, and around passage S, the 6th passage ACH5 is not used.Distribute according to the 17 channel type, left front passage Lf, right front passage Rf and centre gangway C are in group " 1 ", and low-frequency effect passage LFE reaches around passage S in group " 2 ".Like this, the port number in the group " 1 " equals three, and the port number of organizing in " 2 " equals two.Bit sequence " 10001 " is distributed to the channel allocation of the 18 type, wherein the first, second, third, fourth, the 5th and the 6th passage ACH0, ACH1, ACH2, ACH3, ACH4 and ACH5 form respectively left front passage Lf, right front passage Rf, centre gangway C, and low-frequency effect passage LFE, a left side around passage Ls and right around passage Rs.Distribute according to the 18 channel type, left front passage Lf, right front passage Rf and centre gangway C in group " 1 ", low-frequency effect passage LFE, a left side around passage Ls and right around passage Rs in group " 2 ".Like this, the port number in the group " 1 " equals three, and the port number of organizing in " 2 " also equals three.Bit sequence " 10010 " is distributed to the channel allocation of the 19 type, wherein first, second, third, fourth and five-way road ACH0, ACH1, ACH2, ACH3 and ACH4 form left front passage Lf, right front passage Rf, a left side respectively around passage Ls, right around passage Rs and low-frequency effect passage LFE, the 6th ACH5 is not used.Distribute according to the 19 channel type, left front passage Lf, right front passage Rf, a left side around passage Ls and right around passage Rs in group " 1 ", low-frequency effect passage LFE is in group " 2 ".Like this, the port number in the group " 1 " equals four, and the port number of organizing in " 2 " equals one.Bit sequence " 10011 " is distributed to the channel allocation of the 20 type, wherein first, second, third, fourth and five-way road ACH0, ACH1, ACH2, ACH3 and ACH4 form left front passage Lf, right front passage Rf, a left side respectively around passage Ls, right around passage Rs and centre gangway C, the 6th ACH5 is not used.Distribute according to the 20 channel type, left front passage Lf, right front passage Rf, a left side around passage Ls and right around passage Rs in group " 1 ", centre gangway C is in group " 2 ".Like this, the port number in the group " 1 " equals four, and the port number of organizing in " 2 " equals one.Bit sequence " 10100 " is distributed to the channel allocation of the 21 type, and wherein the first, second, third, fourth, the 5th and the 6th passage ACH0, ACH1, ACH2, ACH3, ACH4 and ACH5 form left front passage Lf, right front passage Rf, a left side respectively around passage Ls, right around passage Rs, centre gangway C and low-frequency effect passage LFE.Distribute according to the 21 channel type, left front passage Lf, right front passage Rf, a left side around passage Ls and right around passage Rs in group " 1 ", centre gangway C and low-frequency effect passage LFE are in group " 2 ".Like this, the port number in the group " 1 " equals four, and the port number of organizing in " 2 " equals two.
Usually, in the audio frequency DVD of Figure 26, the audio coding mode of being represented by position b127, b126, b125, b124, b123, b122, b121 and b120 among Figure 31 meets the linear PCM audio coding mode.According to the linear PCM audio coding mode, each audio pack A has 2048 bytes or still less.
As shown in figure 33, linear PCM audio pack A has packet header and audio packet of 14 bytes.Packet header heel audio packet.Audio packet has a sequence of packet header, special-purpose title and voice data.Packet header has 9 bytes, 14 bytes or 17 bytes.Voice data has 1 byte to 2,013 byte.
Shown in Figure 33 and 34, special-purpose title has a sequence: 8 stream ID (sign) information of paying, 4 reserve area, 4 ISRC count information, 8 the ISRC data message, 8 special-purpose length for heading information, 16 the first visit unit pointer, 6 bytes voice data information A DI, reach 0 to 7 byte of padding.
As shown in figure 34, voice data information A DI (referring to Figure 33) has a sequence: 1 audio frequency is emphasized sign, 1 reserve area, 2 reserve area, 4 following mixing code, quantize word length (quantization digit) information in 4 the group " 1 ", quantize word length (quantization digit) information in 4 the group " 2 ", 4 group " 1 " sound intermediate frequency sample frequency fs1 information, 4 group " 2 " audio sampling frequency fs2 information, 4 reserve area, 4 hyperchannel type informations, 3 reserve areas, 5 channel allocation information (referring to Figure 32), and 8 dynamic range control information.
When being used for the VTS_D of Figure 30, the audio production audio object attribute AOTT-AOB-ATR that only contains among Figure 31 can be by only containing audio production object video audio stream attribute AOTT-VOB-AST-ATR replacement.Only contain audio production object video audio stream attribute AOTT-VOB-AST-ATR and have structure shown in Figure 35.
The 3rd embodiment
Figure 36 illustrates the audio signal encoding apparatus of a third embodiment in accordance with the invention.The device of Figure 36 comprises analog to digital (A/D) converter 31 and 31V, signal processing circuit 32, video encoder 32V, reaches DVD format part 34.
Analog video signal is applied to A/D converter 31V.A/D converter 31V heel video encoder 32V.Video encoder 32V heel DVD formats part 34.
Simulated audio signal is applied to A/D converter 31.Generally speaking, simulated audio signal has hyperchannel, before for example comprising and back passage.Simulated audio signal can be the monophony type.A/D converter 31 heel signal processing circuits 32.Signal processing circuit 32 heel DVD format part 34.
As shown in figure 37, signal processing circuit 32 comprises low-pass filter (LPF) 36, refinement circuit (extraction circuit) 37 and 38, subtracter 39 and distributor circuit 40.Low-pass filter 36, refinement circuit 38 and distributor circuit 40 are followed after A/D converter 31 (referring to Figure 36).After the low-pass filter 36 is refinement circuit 37.The first input end of subtracter 39 is connected to the output terminal of refinement circuit 37.Second input end of subtracter 39 is connected to the output terminal of refinement circuit 38.The output terminal of subtracter 39 is connected to distributor circuit 40.The output terminal of refinement circuit 37 is connected to distributor circuit 40.It after the distributor circuit 40 DVD format part 34 (referring to Figure 36).
A/D converter 31 is sampled to simulated audio signal with given sample frequency " fs ", and each sampling of simulated audio signal is become corresponding digital sampling.Like this, A/D converter 31 becomes corresponding digital audio and video signals (for example, pcm audio signal) to simulated audio signal by given quantization digit.In other words, A/D converter 31 is quantified as corresponding digital audio and video signals to simulated audio signal.The quantification that is realized by A/D converter 31 can change to some extent with passage.For example, the prepass composition of 31 pairs of simulated audio signals of A/D converter quantizes by first preset sampling frequency and the first predetermined quantization digit.The back passage composition of 31 pairs of simulated audio signals of A/D converter quantizes by second preset sampling frequency and the second predetermined quantization digit, and second preset sampling frequency equates with first preset sampling frequency and first quantization digit of being scheduled to respectively with the second predetermined quantization digit or be different.A/D converter 31 is to signal processing circuit 32 outputting digital audio signals.
The operation of signal processing circuit 32 can change corresponding respectively between first and second modes that have and do not exist refinement.
By second mode (having refinement) operating period, digital audio and video signals is sent to low-pass filter 36 and refinement circuit 38 from A/D converter 31 in signal processing circuit 32.36 conductive digit sound signals of low-pass filter half frequency band.Low-pass filter 36 is to refinement circuit 37 output result signals./ 4th of a sample of the output signal of refinement circuit 37 selection low-pass filters 36.37 sample of signal selection of refinement circuit output to subtracter 39 and distributor circuit 40.The sample of selecting is that the interval by 4 samples is spaced.
By second mode (having refinement) operating period, refinement circuit 38 is selected some samples that replace of digital audio and video signals in signal processing circuit 32.The sample of signal that refinement circuit 38 is selected to 39 outputs of subtracter.
Now be expressed as follows from the sample sequence of the signal of refinement circuit 37 output:
xc1，xc2，xc3，...，xci，xai，...
On the other hand, the sequence of signal samples from 38 outputs of refinement circuit is expressed as follows:
xb1，xb2，xb3，...，xbi，...
By second mode (having refinement) operating period, subtracter 39 calculates poor Δ 1i and the Δ 2i between the output signal of refinement circuit 37 and 38 in signal processing circuit 32.Difference Δ 1i and Δ 2i is following provides.
Δ1i＝xbi-xci
Δ2i＝xai-xci
Poor Δ 1i and Δ 2i that subtracter 39 notice distributor circuits 40 calculate.
In signal processing circuit 32 by second mode (having refinement) operating period, distributor circuit 40 the information combination of the output signal of refinement circuit 37 and difference Δ 1i and Δ 2i for placing the audio user data (referring to Figure 14 or Figure 33) of audio pack A.Distributor circuit 40 is to DVD format part 34 output audio user data.
A/D converter 31V becomes corresponding digital video signal to analog video signal.A/D converter 31V is to video encoder 32V output digital video signal.Video encoder 32V becomes digital video signal the signal of mpeg format.Video encoder 32V is packaged as the signal of mpeg format the video frequency user data that can place video packets V.Video encoder 32V is to DVD format part 34 output video user data.
The 4th embodiment
Figure 38 illustrates the audio frequency DVD player of the audio signal decoder that comprises a fourth embodiment in accordance with the invention.Player among Figure 38 designs the audio frequency DVD among Fig. 2.
Player operation among Figure 38 is at audio frequency DVD 1.Player among Figure 38 comprises an operating unit 18 and a remote control unit 19.Remote control unit 19 can communicate by wireless with operating unit 18.Operating unit 18 is connected to the control module 23 that comprises CPU.Control module 23 is connected to driver element 2 and reproducing signal processing unit 17.Driver element 2 is connected to reproducing signal processing unit 17.
During playback, driver element 2 is from audio frequency DVD 1 read output signal.Driver element 2 comprises a detuner that makes the signal of reading be subjected to demodulation (for example EFM demodulation).Driver element 2 is exported the demodulation result signal to reproducing signal processing unit 17 as reproducing signal.Driver element 2 has the function that detects the TOC information in the demodulation result signal (reproducing signal).Driver element 2 is to the detected TOC information of signal processing unit 17 outputs.
Reproducing signal treatment circuit 17 comprises a controlling packet detecting device 3, and it receives reproducing signal from driver element 2.Each controlling packet CONT that controlling packet detecting device 3 detects in the reproducing signal.Respond detected controlling packet CONT controlling packet detecting device 3 and produce controlled variable.Controlling packet detecting device 3 is provided with controlled variable in a parameter unit (parameter storage) 8.The controlling packet CONT that 3 responses of controlling packet detecting device detect selects video packets V from reproducing signal.Controlling packet detecting device 3 sequentially writes video packet buffer 4 to video packets.
Reproducing signal processing unit 17 comprises a read unit 5 that is connected with video packet buffer 4.By the determined order of SCR information (seeing Figure 14) among each video packets V, the video packets V of read unit 5 from video packet buffer 4 reads user data.Read unit 5 is to picture conversion device 6 output customer traffics.Picture conversion device 6 becomes corresponding digital video signal to customer traffic.Picture conversion device 6 is to digital to analogy (D/A) converter 7 output digital video signals.D/A converter 7 becomes the corresponding simulating vision signal to digital video signal.D/A converter 7 is to external device (ED) (not shown) output analog video signal.
Should be noted that read unit 5 can be by reading user data by the definite video packets V of order from video packet buffer 4 of the PTC among the controlling packet CONT (express time mark) information.For this reason, controlling packet detecting device 3 provides PTS information among the detected controlling packet CONT to read unit 5.
Reproducing signal treatment circuit 17 comprises the audio frequency controlling packet detecting device 9 that receives reproducing signal from driver element 2.Each audio frequency controlling packet A-CONT that audio frequency controlling packet detecting device 9 detects in the reproducing signal.The detected audio frequency controlling packet A-CONT of audio frequency controlling packet detecting device 9 responses produces controlled variable.Audio frequency controlling packet detecting device 9 is provided with controlled variable in parameter unit (parameter storage) 14.The detected audio frequency controlling packet A-CONT of audio frequency controlling packet detecting device 9 responses selects to select audio pack A from reproducing signal.Audio frequency controlling packet detecting device 9 sequentially writes audio pack impact damper 10 to audio pack A.
Reproducing signal treatment circuit 17 comprises a read unit 11 that is connected to audio pack impact damper 10.By the determined order of SCR information (referring to Figure 14) among each audio pack A, the audio pack A of read unit 11 from audio pack impact damper 10 reads user data (voice data).Read unit 11 is to PCM converter 12 output user data (voice data) streams.PCM converter 12 becomes corresponding digital audio and video signals to customer traffic (audio data stream) by the PCM decode procedure.PCM converter 12 is to digital to analogy (D/A) converter 13 outputting digital audio signals.D/A converter 13 becomes the corresponding simulating sound signal to digital audio and video signals.For example, simulated audio signal has left front passage Lf, right front passage Rf, centre gangway C, a left side around passage Ls, and right around passage Rs.D/A converter 13 is to external device (ED) (not shown) output simulated audio signal.
Should be noted that read unit 11 can be by by the determined order of current time information among the audio retrieval data ASD (referring to Figure 18) among the audio frequency controlling packet A-CONT, the audio pack A from audio pack impact damper 10 reads user data (voice data).For this reason, audio frequency controlling packet detecting device 9 provides current time information among the detected audio frequency controlling packet A-CONT to read unit 11.
Reproducing signal processing unit 17 comprises a storer 14A, the TOC information that this memory stores provides from driver element 2.Storer 14A and parameter unit 8 and 14, and control module 23 be connected.When user-initiated actions unit 18 or remote control unit 19 so that when selecting desirable melody, control module 23 is with reference to the TOC information among the storer 14A, and response TOC information Control driver element 2 and reproducing signal processing unit 17 and the desirable melody of the playback that starts anew.
Reproducing signal processing unit 17 comprises a detecting device 95, and it receives reproducing signal from driver element 2.Detecting device 95 extracts sample frequency " fs " (fs1 and fs2) information and quantization digit Q (Q1 and Q2) information from reproducing signal.Detecting device 95 offers CPU 23 to sample frequency " fs " (fs1 and fs2) information and quantization digit Q (Q1 and Q2) information.CPU 23 response sample frequency " fs " (fs1 and fs2) information and quantization digit Q (Q1 and Q2) information, control PCM converter 12 and D/A converter 13.So the state of the inverse quantization of being realized by PCM converter 12 and D/A converter 13 (signal decoding) is relevant with sample frequency " fs " (fs1 and fs2) information and quantization digit Q (Q1 and Q2) information.Like this, inverse quantization can carry out based on passage one by one or based on channel group one by one.
The 5th embodiment
Figure 39 illustrates the audio frequency DVD player that comprises according to the audio signal decoder of fifth embodiment of the invention.Player among Figure 39 is substantially similar to the player of Figure 38.
The player operation of Figure 39 is in the audio frequency DVD 1 with the toc region territory 1a that loads with TOC information.Toc region territory 1a can omit from audio frequency DVD 1.The player of Figure 39 comprises a control module 23 that is connected with the operating unit (not shown).Control module 23 comprises a CPU.The remote control unit (not shown) can be communicated by letter with operating unit by wireless mode.Control module 23 is connected with transcriber 2A.
When setting in the player of audio frequency DVD 1 at Figure 39 put in place, transcriber 2A was from the toc region territory 1a read output signal of audio frequency DVD 1.Transcriber 2A is to TOC detecting device 2B output read output signal.TOC detecting device 2B detects the TOC information in the read output signal.TOC detecting device 2B arrives storer 14A to detected TOC information stores.
When user-initiated actions unit or remote control unit when selecting desirable melody, control module 23 is with reference to the TOC information among the storer 14A, and response TOC information Control transcriber 2A is so that the desirable melody of the playback that starts anew.
During playback, transcriber 2A is from audio frequency DVD 1 read output signal.Transcriber 2A exports read output signal to audio process 17A and video processor 17B as reproducing signal.Audio process 17A isolates voice data from reproducing signal.Audio process 17A offers output unit 13A to voice data.Output unit 13A is converted to the corresponding audio signal to voice data.Output unit 13A offers an external device (ED) (not shown) to sound signal.In addition, audio process 17A isolates character information from reproducing signal.Audio process 17A offers output unit 13B to character information.Output unit 13B is converted to the corresponding characters signal to character information.Output unit 13B offers an external device (ED) (not shown) to character signal.In addition, audio process 17A isolates the information among each audio frequency controlling packet A-CONT from reproducing signal.Audio process 17A offers control module 23 to audio frequency controlling packet information.
During playback, video processor 17B isolates video data from reproducing signal.Video processor 17B offers output unit 7A to video data.Output unit 7A is converted to corresponding vision signal to video data.Output unit 7A offers an external device (ED) (not shown) to vision signal.In addition, video processor 17B isolates subpicture information from reproducing signal.Video processor 17B offers output unit 7B to subpicture information.Output unit 7B is the subpicture information translation corresponding subpicture signal.Output unit 7B offers an external device (ED) (not shown) to the subpicture signal.In addition, video processor 17B isolates the information among each controlling packet CONT from reproducing signal.Video processor 17B offers control module 23 to controlling packet information.
The 6th embodiment
Figure 40 illustrates the audio frequency DVD player that comprises according to the audio signal decoder of sixth embodiment of the invention.Player among Figure 40 is to design for the audio frequency DVD among Figure 26.
Player operation among Figure 40 is at audio frequency DVD 1.Player among Figure 40 comprises operating unit 18 and remote control unit 19.Remote control unit 19 can be communicated by letter with operating unit 18 by wireless mode.Operating unit 18 is connected with control module 23.Control module 23 comprises a CPU.Control module 23 is connected to driver element 2 and reproducing signal processing unit 17D.Driver element 2 is connected to reproducing signal processing unit 17D.
During playback, driver element 2 is from audio frequency DVD 1 read output signal.Driver element 2 comprises a detuner, and it makes the signal of reading be subjected to given demodulation (for example EFM demodulation).Driver element 2 is exported the modulation result signal to reproducing signal processing unit 17D as reproducing signal.
Reproducing signal processing unit 17D comprises a video packets detecting device 3A, and it receives reproducing signal from driver element 2.Video packets detecting device 3A detects the video packets V (still frame bag SPCT) in the reproducing signal.Video packets detecting device 3A responds detected video packets V and produces controlled variable.Video packets detecting device 3A is provided with controlled variable in parameter unit (parameter storage) 8.Video packets detecting device 3A sequentially writes video packet buffer 4 to video packets V.
Reproducing signal treatment circuit 17D comprises a read unit 5 that is connected with video packet buffer 4.Read unit 5 is by reading user data by the video packets V of the determined order of SCR information (referring to Figure 14) from video packet buffer 4 among each video packets V.Read unit 5 is to picture conversion device 6 output customer traffics.Picture conversion device 6 becomes corresponding digital video signal to customer traffic.Picture conversion device 6 is to digital to analogy (D/A) converter 7 output digital video signals.D/A converter 7 becomes the corresponding simulating vision signal to digital video signal.D/A converter 7 is to external device (ED) (not shown) output analog video signal.
Reproducing signal treatment circuit 17D comprises an audio pack detecting device 9A, and it receives reproducing signal from driver element 2.Audio frequency controlling packet detecting device 9A detects audio pack A and the real-time information bag RTI in the reproducing signal.Audio pack detecting device 9A responds detected audio pack A and detected real-time information bag RTI and produces controlled variable.Audio pack detecting device 9A is provided with controlled variable in parameter unit (parameter storage) 14.Audio pack detecting device 9A sequentially writes audio pack impact damper 10 to audio pack A and real-time information bag RTI.
Reproducing signal treatment circuit 17D comprises a read unit 11A who is connected to audio pack impact damper 10.By the determined order of SCR information (referring to Figure 14) among each audio pack A, the audio pack A of read unit 11A from audio pack impact damper 10 reads user data (voice data).Read unit 11A is to PCM converter 12 output user data (voice data) streams.PCM converter 12 becomes corresponding digital audio and video signals to customer traffic (audio data stream) by the PCM decode procedure.PCM converter 12 is to digital to analogy (D/A) converter 13 outputting digital audio signals.D/A converter 13 becomes the corresponding simulating sound signal to digital audio and video signals.For example, simulated audio signal has left front passage Lf, right front passage Rf, a left side around passage Ls, right around passage Rs, centre gangway C, and low-frequency effect passage LFE.D/A converter 13 is to external device (ED) (not shown) output simulated audio signal.
In addition, by the determined order of ISCR information among each real-time information bag RTI, the real-time information bag RTI of read unit 11A from audio pack impact damper 10 reads audio frequency character display message (ACD information).Read unit 11A is to shows signal generator 20 output audio character display message.Shows signal generator 20 is converted to corresponding shows signal with audio frequency character display message.Shows signal generator 20 is to display device 21 output shows signal.Display device 21 indicates shows signal.Shows signal generator 20 can be to external device (ED) (not shown) output shows signal.
Reproducing signal processing unit 17D comprises a detecting device 95, and it receives reproducing signal from driver element 2.Detecting device 95 extracts sample frequency " fs " (fs1 and fs2) information and quantization digit Q (Q1 and Q2) information from reproducing signal.Detecting device 95 offers CPU 23 to sample frequency " fs " (fs1 and fs2) information and quantization digit Q (Q1 and Q2) information.CPU 23 response sample frequency " fs " (fs1 and fs2) information and quantization digit Q (Q1 and Q2) information, control PCM converter 12 and D/A converter 13.So the state of the inverse quantization of being realized by PCM converter 12 and D/A converter 13 (signal decoding) is relevant with sample frequency " fs " (fs1 and fs2) information and quantization digit Q (Q1 and Q2) information.Like this, inverse quantization can be based on passage one by one or based on carrying out to channel group one by one.
The 7th embodiment
Figure 41 illustrates the audio frequency DVD player that comprises according to the audio signal decoder of seventh embodiment of the invention.Player among Figure 41 is substantially similar to the player of Figure 40.
The player operation of Figure 41 is in the audio frequency DVD 1 with the toc region territory 1a that loads with TOC information.Toc region territory 1a can be included in Lead-In Area or AST_D.TOC can be described as the SAPP (simple voice playing pointer) that is used for audio frequency DVD dish.Player among Figure 41 comprises a control module 23 that is connected with the operating unit (not shown).Control module 23 comprises a CPU.The remote control unit (not shown) can be communicated by letter with operating unit by wireless mode.Control module 23 is connected with transcriber 2A.
When setting in the player of audio frequency DVD 1 at Figure 41 put in place, transcriber 2A was from the toc region territory 1a read output signal of audio frequency DVD 1.Transcriber 2A is to TOC detecting device 2B output read output signal.TOC detecting device 2B detects the TOC information in the read output signal.TOC detecting device 2B arrives storer 14A to detected TOC information stores.
When user-initiated actions unit or remote control unit when selecting desirable melody, control module 23 is with reference to the TOC information among the storer 14A, and response TOC information Control transcriber 2A is so that the desirable melody of the playback that starts anew.
During playback, transcriber 2A is from audio frequency DVD 1 read output signal.Transcriber 2A exports read output signal to audio process 17A and video processor 17B as reproducing signal.Audio process 17A isolates voice data from reproducing signal.Audio process 17A offers output unit 13A to voice data.Output unit 13A is converted to the corresponding audio signal to voice data.Output unit 13A offers an external device (ED) (not shown) to sound signal.In addition, audio process 17A isolates character information (audio frequency character display message) from reproducing signal.Audio process 17A offers output unit 13B to character information.Output unit 13B is converted to the corresponding characters signal to character information.Output unit 13B offers an external device (ED) (not shown) to character signal.In addition, audio process 17A isolates audio manager AMG and audio production set A TS from reproducing signal.Audio process 17A offers control module 23 to audio manager AMG and audio production set A TS.
During playback, video processor 17B isolates video data from reproducing signal.Video processor 17B offers output unit 7A to video data.Output unit 7A is converted to corresponding vision signal to video data.Output unit 7A offers an external device (ED) (not shown) to vision signal.In addition, video processor 17B isolates subpicture information from reproducing signal.Video processor 17B offers output unit 7B to subpicture information.Output unit 7B is the subpicture information translation corresponding subpicture signal.Output unit 7B offers an external device (ED) (not shown) to the subpicture signal.
The 8th embodiment
Figure 42 illustrates according to Disc player of the eighth embodiment of the present invention or audio frequency DVD player.Audio frequency DVD player among Figure 42 comprises a demultiplexer 110 of following after bag reproducing part 105.Bag reproducing part 105 is from audio frequency DVD read output signal, and the derivation bag flows from read output signal.Demultiplexer 110 receives bag stream from bag reproducing part 105.
In the audio frequency DVD player in Figure 42, demultiplexer 110 and impact damper 131-1,131-2,141, and 151 be connected.Impact damper 131-1 and 131-2 are connected with demoder 132.Demoder 132 is connected to impact damper 133, D/A converter 134-1 and 134-2.
Impact damper 141 is connected with demoder 142.Demoder 142 is connected with impact damper 143 and 144.Impact damper 144 is connected to demoder 145.Demoder 145 is connected to impact damper 146.
Impact damper 151 is connected to demoder 152.Demoder 152 is connected to impact damper 153 and 154.Impact damper 154 is connected to demoder 155.Demoder 155 is connected to impact damper 156.
Demultiplexer 110 is isolated audio pack A from Bao Liuzhong.Demultiplexer 110 is isolated bag stream A sequentially alternately write buffer 131-1 and 131-2.The capacity of each impact damper 131-1 and 131-2 equals 4 kilobyte.
In addition, demultiplexer 110 is isolated audio frequency controlling packet A-CONT from Bao Liuzhong.Demultiplexer 110 is isolated audio frequency controlling packet A-CONT write buffer 151 sequentially.
In addition, demultiplexer 110 is isolated controlling packet CONT from Bao Liuzhong.Demultiplexer 110 extracts expression control information PCI from isolated controlling packet CONT.Demultiplexer 110 is written to impact damper 141 to the expression control information PCI that extracts.
The audio frequency controlling packet A-CONT sense information of demoder 152 from impact damper 151.Demoder 152 and impact damper 153 co-operatings, thus sense information is decoded.Demoder 152 is to demoder 132 notice decoded result information.Demoder 152 goes out audio frequency high brightness information from the decoded result information separated.Demoder 152 is written to impact damper 154 to audio frequency high brightness information.Demoder 155 is read audio frequency high brightness information from impact damper 154.Demoder 155 and impact damper 156 co-operatings, thus audio frequency high brightness information is decoded.Demoder 155 is to an external device (ED) (not shown) output decoder object information.
Demoder 132 is access buffer 131-1 and 131-2 alternately, and the audio pack A from impact damper 131-1 and 131-2 reads user data (voice data).When impact damper 131-1 is visited by demultiplexer 110, demoder 132 access buffer 131-2.When impact damper 131-2 is visited by demultiplexer 110, demoder 132 access buffer 131-1.Information and impact damper 133 co-operatings that demoder 132 responses provide from demoder 152, thus user data is combined as audio data stream, and audio data stream is decoded as the pcm audio signal.The pcm audio signal has passage and a LFE passage behind 3 prepass, 2.3 prepass are relevant with the sample frequency " fs " of 96kHz.Passage is relevant with the sample frequency " fs " of 48kHz after 2.Demoder 132 is to the pcm audio signal of 3 prepass of D/A converter 34-1 output.The pcm audio signal of demoder 132 passage and LFE passage after 2 of D/A converter 34-2 outputs.D/A converter 34-1 becomes the pcm audio signal of 3 prepass the simulated audio signal of 3 corresponding prepass.D/A converter 34-1 is to the simulated audio signal of 3 prepass of external device (ED) (not shown) output.D/A converter 34-2 becomes the corresponding simulating sound signal to passage after 2 and LFE passage.The simulated audio signal of D/A converter 34-2 passage and LFE passage after 2 of external device (ED) (not shown) outputs.
The 9th embodiment
Figure 43 illustrates according to Disc player of the ninth embodiment of the present invention or video DVD player.Video DVD player among Figure 43 comprises a demultiplexer 110 of following after bag reproducing part 105.Bag reproducing part 105 is from video DVD read output signal, and the derivation bag flows from read output signal.Demultiplexer 110 receives bag stream from bag reproducing part 105.
In the video DVD player in Figure 43, demultiplexer 110 and impact damper 111,121,131, and 141 be connected.Impact damper 111 is connected with demoder 112 and 132.Demoder 112 is connected to impact damper 113, ordering impact damper 114 and switch 115.Ordering impact damper 114 is connected to switch 115.Switch 115 is connected to textbox converter 116.Textbox converter 116 is connected to totalizer 117.
Impact damper 121 is connected with demoder 122.Demoder 122 is connected with totalizer 117 and impact damper 123.
Impact damper 131 is connected to demoder 132.Demoder 132 is connected to impact damper 133.
Impact damper 141 is connected to demoder 142.Demoder 142 is connected to impact damper 143 and 144.Impact damper 144 is connected to demoder 145.Demoder 145 is connected to impact damper 146.
Demultiplexer 110 is isolated video packets V, audio frequency controlling packet A-CONT and controlling packet CONT from Bao Liuzhong.Demultiplexer 110 is isolated video packets V, audio frequency controlling packet A-CONT and controlling packet CONT write buffer 111.
Demultiplexer 110 is isolated subpicture bag SP from Bao Liuzhong.Demultiplexer 110 is isolated subpicture bag SP write buffer 121 sequentially.
Demultiplexer 110 is isolated audio pack A from Bao Liuzhong.Demultiplexer 110 is sequentially written to impact damper 131 to the audio pack A that extracts.
In addition, demultiplexer 110 is isolated direct packets from Bao Liuzhong.Demultiplexer 110 extracts expression control information PCI from isolated direct packets.Demultiplexer 110 can extract expression control information PCI from isolated controlling packet CONT.Demultiplexer 110 is written to impact damper 141 to the expression control information PCI that extracts.
The video packets V of demoder 112 from impact damper 111 reads user data (video data).Demoder 112 and impact damper 113 co-operatings, thus the video data decoding of reading is corresponding vision signal.Demoder 112 writes sound signal to impact damper 114.Demoder 112 is to switch 115 outputting video signals in addition.Switch 115 is connected to demoder 112 or ordering impact damper 114 to textbox converter 116 selectively.When switch 115 was connected to demoder 112 to textbox converter 116, textbox converter 116 was from demoder 112 receiving video signals.Under this situation, textbox converter 116 makes the vision signal of receiving be subjected to given conversion.Textbox converter 116 is to the signal of totalizer 117 output transformation results.When switch 115 was connected to impact damper 114 to textbox converter 116, the vision signal in textbox converter 116 access buffer 114 also sorted to vision signal.Under this situation, textbox converter 116 makes the vision signal of ranking results be subjected to given conversion.Textbox converter 116 is to totalizer 117 output transformation result signals.
The subpicture bag SP of demoder 122 from impact damper 121 reads video data.Demoder 122 and impact damper 123 co-operatings, thus be video data decoding the subpicture signal.Demoder 122 is to totalizer 117 output subpicture signals.Totalizer 117 is combined as the vision signal of having added subpicture to the output signal of the output signal of textbox converter 116 and demoder 122 (subpicture signal).The vision signal that totalizer 117 has been added subpicture to external device (ED) (not shown) output.
The audio frequency controlling packet A-CONT sense information of demoder 132 from impact damper 111.In addition, the demoder 132 audio pack As of response A-CONT information from impact damper 131 read user data (voice data).Demoder 132 response A-CONT information and impact damper 133 co-operatings, thus user data is combined as audio data stream, and audio data stream is decoded as the corresponding audio signal.Demoder 132 is to an external device (ED) (not shown) output audio signal.
Claims (4)
1. audio-frequency signal coding equipment comprises:
First device, be used for respectively tunnels analogy sound signal behind one first prepass simulated audio signal and being quantified as the first corresponding prepass digital audio and video signals (Lf with first quantization digit (Q1) and first sample frequency (fs1), Rf) and corresponding back channel digital audio signal (Ls, Rs);
Second device, be used for one second prepass simulated audio signal being quantified as the second corresponding prepass digital audio and video signals (C with second quantization digit (Q2) and second sample frequency (fs2), LFE), second quantization digit is different from first quantization digit, and second sample frequency is different from first sample frequency;
The 3rd device, be used for the described first prepass digital audio and video signals (Lf, Rf), described back channel digital audio signal (Ls, Rs), the described second prepass digital audio and video signals (C, LFE), relate to the described first prepass digital audio and video signals, the information format of the parameter of described back channel digital audio signal and the described second prepass digital audio and video signals changes into a structure, wherein said parameter comprises the first and second quantization digit (Q1 at least, Q2) and the first and second sample frequency (fs1, fs2), described structure comprises audio manager (AMG) and audio production set (ATS), described audio production set (ATS) comprises first area (ACBS) and second area (ATSI), first area (ACBS) comprises the first prepass digital audio and video signals (Lf, Rf), back channel digital audio signal (Ls, Rs) and the described second prepass digital audio and video signals (C, LFE), second area (ATSI) is different from the first area and has audio object attribute (AOTT-AOB-ATR) and comprise and relates to the described first prepass digital audio and video signals, the information of the parameter of back channel digital audio signal and the described second prepass digital audio and video signals, described parameter comprises the first and second quantization digit (Q1 at least, Q2) and first and second sample frequency (fs1, fs2).
2. audio-frequency signal coding method comprises:
With first quantization digit (Q1) and first sample frequency (fs1) tunnels analogy sound signal behind one first prepass simulated audio signal and is quantified as the first corresponding prepass digital audio and video signals (Lf respectively, Rf) and corresponding back channel digital audio signal (Ls, Rs);
With second quantization digit (Q2) and second sample frequency (fs2) one second prepass simulated audio signal is quantified as the second corresponding prepass digital audio and video signals (C, LFE), second quantization digit is different from first quantization digit, and second sample frequency is different from first sample frequency; And
The described first prepass digital audio and video signals (Lf, Rf), described back channel digital audio signal (Ls, Rs), the described second prepass digital audio and video signals (C, LFE), relate to the described first prepass digital audio and video signals, the information format of the parameter of back channel digital audio signal and the described second prepass digital audio and video signals changes into a structure, wherein said parameter comprises the first and second quantization digit (Q1 at least, Q2) and the first and second sample frequency (fs1, fs2), described structure comprises audio manager (AMG) and audio production set (ATS), described audio production collection (ATS) comprises first area (ACBS) and second area (ATSI), first area (ACBS) comprises the described first prepass digital audio and video signals (Lf, Rf), back channel digital audio signal (Ls, Rs) and the second prepass digital audio and video signals (C, LFE), second area (ATSI) is different from the first area and has audio object attribute (AOTT-AOB-ATR) and comprise and relates to the described first prepass digital audio and video signals, the information of the parameter of back channel digital audio signal and the described second prepass digital audio and video signals, described parameter comprises the first and second quantization digit (Q1 at least, Q2) and first and second sample frequency (fs1, fs2).
3. audio signal decoding equipment, the coding method encoded signals according to claim 2 of being used to decode comprises:
First device, be used for extracting and relate to the described first prepass digital audio and video signals (Lf, Rf), back channel digital audio signal (Ls, Rs) and the second prepass digital audio and video signals (C, the information of parameter LFE), described parameter comprise first and second quantization digits (Q1, Q2) and first and second sample frequency (fs1, fs2);
Second device, be used for from reproducing signal extract the described first prepass digital audio and video signals (Lf, Rf), described back channel digital audio signal (Ls, Rs) and the described second prepass digital audio and video signals (C, LFE);
The 3rd device, be used to respond the parameter of described first quantization digit (Q1) and first sample frequency (fs1) the described first prepass digital audio and video signals of information decoding (Lf, Rf) and described channel digital audio signal afterwards (Ls, Rs); And
The 4th device, be used to respond the parameter of described second quantization digit (Q2) and second sample frequency (fs2) the described second prepass digital audio and video signals of information decoding (C, LFE).
4. audio signal decoding method, the coding method encoded signals of being used to decode according to claim 2, described audio signal decoding method comprises step:
Extraction relates to the described first prepass digital audio and video signals (Lf, Rf), back channel digital audio signal (Ls, Rs) and the second prepass digital audio and video signals (C, the information of parameter LFE), described parameter comprises the first and second quantization digit (Q1, Q2) and first and second sample frequency (fs1, fs2);
From a reproducing signal, extract the described first prepass digital audio and video signals (Lf, Rf), back channel digital audio signal (Ls, Rs) and the described second prepass digital audio and video signals (C, LFE);
The parameter information that responds the parameter information of first quantization digit (Q1) and first sample frequency (fs1) and second quantization digit (Q2) and second sample frequency (fs2) the respectively described first prepass digital audio and video signals (Lf that decodes, Rf), back channel digital audio signal (Ls, Rs) and the described second prepass digital audio and video signals (C, LFE).
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| JP207242/1997 | 1997-07-16 | ||
| JP20724297A JP2953442B2 (en) | 1997-07-16 | 1997-07-16 | Optical disc playback device |
| JP18013/98 | 1998-01-14 |
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| CN 98116069 Division CN1271626C (en) | 1997-07-16 | 1998-07-15 | Recording medium and audio-signal processing apparatus |
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| CN1901058A true CN1901058A (en) | 2007-01-24 |
| CN100530393C CN100530393C (en) | 2009-08-19 |
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| CNB2006101080390A Expired - Lifetime CN100541632C (en) | 1997-07-16 | 1998-07-15 | Recording medium and audio signal processor |
| CN200610108042A Expired - Lifetime CN100583267C (en) | 1997-07-16 | 1998-07-15 | Recording medium and audio-signal processing apparatus |
| CNB2006101080386A Expired - Lifetime CN100530393C (en) | 1997-07-16 | 1998-07-15 | Recording medium and audio-signal processing apparatus |
| CN 98116069 Expired - Lifetime CN1271626C (en) | 1997-07-16 | 1998-07-15 | Recording medium and audio-signal processing apparatus |
| CN200610108043A Expired - Lifetime CN100583268C (en) | 1997-07-16 | 1998-07-15 | Recording medium and audio-signal processing apparatus |
| CN200610108041A Expired - Lifetime CN100587824C (en) | 1997-07-16 | 1998-07-15 | Recording medium and audio-signal processing apparatus |
| CNB2006101080403A Expired - Lifetime CN100565686C (en) | 1997-07-16 | 1998-07-15 | Recording medium and audio signal processor |
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| CN200610108044A Expired - Lifetime CN100583269C (en) | 1997-07-16 | 1998-07-15 | Recording medium and audio-signal processing apparatus |
| CNB2006101080390A Expired - Lifetime CN100541632C (en) | 1997-07-16 | 1998-07-15 | Recording medium and audio signal processor |
| CN200610108042A Expired - Lifetime CN100583267C (en) | 1997-07-16 | 1998-07-15 | Recording medium and audio-signal processing apparatus |
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| CN 98116069 Expired - Lifetime CN1271626C (en) | 1997-07-16 | 1998-07-15 | Recording medium and audio-signal processing apparatus |
| CN200610108043A Expired - Lifetime CN100583268C (en) | 1997-07-16 | 1998-07-15 | Recording medium and audio-signal processing apparatus |
| CN200610108041A Expired - Lifetime CN100587824C (en) | 1997-07-16 | 1998-07-15 | Recording medium and audio-signal processing apparatus |
| CNB2006101080403A Expired - Lifetime CN100565686C (en) | 1997-07-16 | 1998-07-15 | Recording medium and audio signal processor |
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|---|---|
| JP (1) | JP2953442B2 (en) |
| CN (8) | CN100583269C (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2953442B2 (en) * | 1997-07-16 | 1999-09-27 | 日本ビクター株式会社 | Optical disc playback device |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08321745A (en) * | 1995-03-20 | 1996-12-03 | Fujitsu Ltd | Audio data processor |
| CN1163890C (en) * | 1995-03-23 | 2004-08-25 | 索尼公司 | Subtitle data encoding/decoding method and apparatus and recording medium for the same |
| JP2953442B2 (en) * | 1997-07-16 | 1999-09-27 | 日本ビクター株式会社 | Optical disc playback device |
-
1997
- 1997-07-16 JP JP20724297A patent/JP2953442B2/en not_active Expired - Lifetime
-
1998
- 1998-07-15 CN CN200610108044A patent/CN100583269C/en not_active Expired - Lifetime
- 1998-07-15 CN CNB2006101080390A patent/CN100541632C/en not_active Expired - Lifetime
- 1998-07-15 CN CN200610108042A patent/CN100583267C/en not_active Expired - Lifetime
- 1998-07-15 CN CNB2006101080386A patent/CN100530393C/en not_active Expired - Lifetime
- 1998-07-15 CN CN 98116069 patent/CN1271626C/en not_active Expired - Lifetime
- 1998-07-15 CN CN200610108043A patent/CN100583268C/en not_active Expired - Lifetime
- 1998-07-15 CN CN200610108041A patent/CN100587824C/en not_active Expired - Lifetime
- 1998-07-15 CN CNB2006101080403A patent/CN100565686C/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| CN100583268C (en) | 2010-01-20 |
| CN100583267C (en) | 2010-01-20 |
| CN100565686C (en) | 2009-12-02 |
| CN1901061A (en) | 2007-01-24 |
| JPH1139798A (en) | 1999-02-12 |
| CN1901059A (en) | 2007-01-24 |
| JP2953442B2 (en) | 1999-09-27 |
| CN1901064A (en) | 2007-01-24 |
| CN1901062A (en) | 2007-01-24 |
| CN100587824C (en) | 2010-02-03 |
| CN1205507A (en) | 1999-01-20 |
| CN100541632C (en) | 2009-09-16 |
| CN100530393C (en) | 2009-08-19 |
| CN100583269C (en) | 2010-01-20 |
| CN1901060A (en) | 2007-01-24 |
| CN1271626C (en) | 2006-08-23 |
| CN1901063A (en) | 2007-01-24 |
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