CN1214364C - Recording method for recording voice programme on recording medium path and its device - Google Patents
Recording method for recording voice programme on recording medium path and its device Download PDFInfo
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- CN1214364C CN1214364C CN 98122323 CN98122323A CN1214364C CN 1214364 C CN1214364 C CN 1214364C CN 98122323 CN98122323 CN 98122323 CN 98122323 A CN98122323 A CN 98122323A CN 1214364 C CN1214364 C CN 1214364C
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Abstract
The present invention relates to a recording method for recording voice programmes on the path of a recording medium and the device thereof. The recording medium comprises at least a path having at least a block; the block comprises more than one compressed voice programmes inserted in a stagger way and is divided into a plurality of successive sub blocks. Each of the compressed voice programmes is divided into a plurality of parts to form a plurality of successive voice signal blocks identical to the sub blocks. A voice programme to be input is compressed to a plurality of compressed voice programmes and then is divided into successive compressed voice programme sections in the same number.
Description
The present invention relates to a kind of recording medium of compression sound programme on its track that records, relate in particular to a kind of recording method and the device of recording voice programme on recording medium path that be used for.
CD (laser) digit news that occurs in the 1980's is a kind of medium of high pass antilog word record stereo sound information.Utilize the best in quality of digital technology performance sound and picture signal, and the manufacturing cost of CD medium is lower, thereby has promoted the development of digital recording sound and picture signal.
On the field of compression of images, realized picture signal record in recent years in the CD medium.A kind of image C D that has with CD digit news same structure adopts the means of the MPEG of Motion Picture Experts Group (MOTION PICTURE EXPERTSGROUP) compression video signal and message to write down the program of 74 minutes length altogether on CD medium.The bit rate of compression video signal is approximately 1.15Mbits/sec, and the bit rate of compression message then is approximately 224Kbit/sec.These bit rate are to cooperate the fixed linear speed of the CD disc record of playing device to design, and it is approximately 1.5Mbits/sec.This image C D can write down some Play Control data for interactive running usefulness when program is played.
As shown in Figure 1, be presented at the data structure of the program among the image C D, comprise sound and image information.This image information is divided into some parts and is formatted into the video signal section (V) of equal length then.In like manner, acoustic information also is divided into some parts and is formatted into message section (A) then.(V is to insert so that about 5: 1 ratio is staggered subsequently A), the instant transmission when guaranteeing to be read during they are being play for each video signal and message section.Do not take place as long as when this image C D is read, there is the situation of overflow or superfluous position, just not necessarily need to keep this ratio.(V A) constitutes a program, in image C D term, can be called as archives or a track on this program logic for each the staggered video signal inserted and message section.This program can be music image, Kara OK songs, film or voice folder.On single image C D, a lot of archives or track can be arranged.
Image C D can only be used for storing the compression sound programme.With original CD digit news by comparison, this can allow the CD medium store more voice datas position under identical quality and interaction capability, just, is approximately six times of original CD digit news.But,, when having only acoustic compression syllable program recording on image C D, just can go wrong because the fixed linear speed of acoustic compression phoneme speed ratio CD disc record is much lower.As shown in Figure 2, be that a kind of mode that addresses the above problem is inserted with message section (A) is staggered for filling up section (S), therefore, can possess the total bit rate identical with the fixed linear speed of CD disc record.Though the mode of Fig. 2 can solve the problem of transfer rate,, the recording capacity of CD medium just can't fill a part utilization.As shown in Figure 3, be that another kind of settling mode is for to gather together all message sections (A) together, to guarantee high record density.But the mode of Fig. 3 needs the CD disc record to replace between pause and the forward travel state through being everlasting, and so will cause the CD disc record seriously to be demoted.
First purpose of the present invention is to provide a kind of recording method and device of recording voice programme on recording medium path that be used for, it can record highdensity acoustic compression syllable purpose recording medium on its track, when this recording medium was read, the CD disc record did not need to replace between the state that pauses and advance through being everlasting at each sound programme.
Second purpose of the present invention is to provide a kind of recording method and device of recording voice programme on recording medium path that be used for, and it can avoid needing the CD disc record to replace between the state that pauses and advance through being everlasting when this recording medium is read at each sound programme.
The object of the present invention is achieved like this:
A kind ofly be used for the recording method of recording voice programme on recording medium path, be characterized in comprising the following step:
Each sound import program compression is compressed sound programme to obtain several;
Each compression sound programme is divided into the continuous compression sound programme section of similar number; One SYNC word and the distinctive ID sign indicating number of each compression sound programme section are added on each compression sound programme section, to form message section corresponding to compression sound programme section; The message section is recorded on the track of recording medium; Each compression sound programme section also has a mismanage sign indicating number, and this mismanage sign indicating number comprises at least one error-detecting code and an error-correcting code; And,
By j compression of each acoustic compression syllable purpose sound programme section is gathered j the mode with the continuous group of incremental order arrangement, with staggered insertion of each acoustic compression syllable purpose compression sound programme section, to form a block.
Be used for the recording method of recording voice programme on recording medium path above-mentioned, wherein, described recording medium is laser disc.
Be used for the recording method of recording voice programme on recording medium path above-mentioned, wherein, the described sound programme that respectively compresses is furnished with a program numbers with the incremental order arrangement, compression sound programme section in each group is to arrange according to the acoustic compression syllable purpose mode with the incremental order arrangement under it during the staggered insertion of compression sound programme section.
Be used for the recording method of recording voice programme on recording medium path above-mentioned, wherein, described each sound import program utilizes the compression of the MPEG of Motion Picture Experts Group compression audio format.
Be used for the recording method of recording voice programme on recording medium path above-mentioned, wherein, described block comprises six compression sound programmes.
Be used for the recording method of recording voice programme on recording medium path above-mentioned, wherein, described ID sign indicating number comprises a program numbers representing the compression sound programme on the block under this message section, and a section number is to represent the section number of the message section in the compression sound programme under this message section.
Be used for the recording method of recording voice programme on recording medium path above-mentioned, wherein, described ID sign indicating number comprises that also a block number is to represent the block on the track under this message section.
Be used for the recording method of recording voice programme on recording medium path above-mentioned, wherein, described ID sign indicating number comprises that also a track number is to represent the track of the recording medium under this message section.
Be used for the recording method of recording voice programme on recording medium path above-mentioned, wherein, described recording method also is included in the step that is recorded in before this recording medium each message section scramble.
Be used for the recording method of recording voice programme on recording medium path above-mentioned, wherein, also comprise following step:
When each compression sound programme segmentation, to fill up hyte short compression sound programme is filled up, so that short compression sound programme compression sound programme with the longest on length is identical.
Be used for the recording method of recording voice programme on recording medium path above-mentioned, wherein, the described length of respectively compressing the sound programme section is identical.
Be used for the recording method of recording voice programme on recording medium path above-mentioned, wherein, the described sound programme section of respectively compressing has identical length.
A kind ofly adopt above-mentioned recording method to be used for the pen recorder of recording voice programme on recording medium path, be characterized in comprising:
One audio compressors, this audio compressors are suitable for each sound import program compression to obtain several compression sound programmes; Be connected to the sectioning of audio compressors, this sectioning is to be used for each compression sound programme is divided into the continuous compression sound programme section of similar number; And be connected to the staggered insertion device of sectioning, be somebody's turn to do staggered insertion device and will compress the staggered insertion of sound programme section, form a block by j compression of each acoustic compression syllable purpose sound programme section is gathered j the mode with the continuous group of incremental manner arrangement;
One is used to produce the SYNC generator of SYNC word;
One ID generator, this ID generator are connected to this sectioning and controlled by this sectioning, to produce the distinctive ID sign indicating number of compression sound programme section that each is exported by this staggered insertion device;
One sector format traffic pilot, this sector format traffic pilot is connected to this sectioning, this staggered device, this SYNC generator and this ID generator of inserting, and being subjected to the control of this sectioning staggered inserting the compression sound programme section that device is exported be added to each from the corresponding ID sign indicating number of this ID generator by this from the SYNC word of this SYNC generator, formation is compressed the message section of sound programme section corresponding to each;
One recording mechanism, this recording mechanism are connected to this sector format traffic pilot and each message section are recorded on the track of this recording medium;
One mismanage sign indicating number generator, this mismanage sign indicating number generator is connected to this staggered device and this sector format traffic pilot of inserting, and produce each from this staggered mismanage sign indicating number that inserts the compression sound programme section of device, this sector format traffic pilot more is added to the compression sound programme section that each is exported by this staggered insertion device to the mismanage sign indicating number from this mismanage sign indicating number generator correspondence.
At the above-mentioned pen recorder of recording voice programme on recording medium path that be used for, wherein, described recording medium is laser disc.
At the above-mentioned pen recorder of recording voice programme on recording medium path that be used for, wherein, the described sound programme that respectively compresses is furnished with a program numbers with the incremental order arrangement, and the compression sound programme section in each group is interlocked by this and inserted device by the compression sound programme arrangement with the incremental order arrangement under it.
At the above-mentioned pen recorder of recording voice programme on recording medium path that be used for, wherein, described audio compressors utilizes the MPEG of Motion Picture Experts Group compression audio format that the sound import program is compressed.
At the above-mentioned pen recorder of recording voice programme on recording medium path that be used for, wherein, described sectioning comprises: a storage device, this storage device are connected to this audio compressors and are used to store compression sound programme from this audio compressors; And a segmentation controller, this segmentation controller is connected to this storage device and is used for the compression sound programme of this storage device is divided into continuous compression sound programme section, and each continuous compression sound programme section is stored in this storage device.
At the above-mentioned pen recorder of recording voice programme on recording medium path that be used for, wherein, described staggered insertion device is connected to this storage device and this segmentation controller, and is subjected to this segmentation controller control in regular turn the compression sound programme fragment group in this storage device to be read and exports.
At the above-mentioned pen recorder of recording voice programme on recording medium path that be used for, wherein, described mismanage sign indicating number comprises at least one error-detecting code and an error-correcting code.
At the above-mentioned pen recorder of recording voice programme on recording medium path that be used for, wherein, described ID sign indicating number comprises the acoustic compression syllable purpose program numbers on the affiliated block of this message section of expression, and the section number of the section number of the message section in the compression sound programme under this message section of expression.
At the above-mentioned pen recorder of recording voice programme on recording medium path that be used for, wherein, described ID sign indicating number also comprises the block number of the block on the track under this message section of expression.
At the above-mentioned pen recorder of recording voice programme on recording medium path that be used for, wherein, described ID sign indicating number also comprises the track number of the track of the recording medium under this message section of expression.
At the above-mentioned pen recorder of recording voice programme on recording medium path that be used for, wherein, described sectioning is filled up short compression sound programme to fill up hyte, so that short compression sound programme is identical with the longest compression sound programme on length.
At the above-mentioned pen recorder of recording voice programme on recording medium path that be used for, wherein, the described length of respectively compressing the sound programme section is identical.
At the above-mentioned pen recorder of recording voice programme on recording medium path that be used for, wherein, the described length of respectively compressing the sound programme section is identical.
The present invention is used for the recording method and device of recording voice programme on recording medium path, owing to adopted above-mentioned technical scheme, make it it and can not only on its track, record highdensity acoustic compression syllable purpose recording medium, and when this recording medium was read, the CD disc record did not need to replace between the state that pauses and advance through being everlasting at each sound programme.
By following the present invention is used for the description of an embodiment of the recording method and device of recording voice programme on recording medium path in conjunction with its accompanying drawing, can further understands purpose of the present invention, specific structural features and advantage.Wherein, accompanying drawing is:
Fig. 1 be prior art when being recorded in an image C D, the staggered synoptic diagram that inserts of the video signal of compression program and message section.
Fig. 2 is a prior art being recorded in one in the past during image C D, fills up the staggered synoptic diagram that inserts of a section and an acoustic compression syllable purpose message section.
To be prior art be recorded in one in the past during image C D, the synoptic diagram that acoustic compression syllable purpose message section is gathered together to Fig. 3.
Fig. 4 is the track synoptic diagram that is used for the recording method and device recording medium of recording voice programme on recording medium path that proposes according to invention.
Fig. 5 is the block synoptic diagram of the track of Fig. 4.
Fig. 6 is the message section synoptic diagram of the block of Fig. 5.
Fig. 7 is the ID field synoptic diagram of the message section of Fig. 6.
Fig. 8 is the process flow diagram that is used for the recording method and device recording method of recording voice programme on recording medium path that proposes according to invention.
Fig. 9 is used for the acoustic compression syllable purpose synoptic diagram of recording voice programme after the message compression running of the recording method and device recording method on the recording medium path according to what invention proposed.
Figure 10 is according to the segmentation acoustic compression syllable purpose synoptic diagram after the segmentation running that is used for the recording method and device recording method of recording voice programme on recording medium path of invention proposition.
Figure 11 is the synoptic diagram according to the staggered insertion sound programme section after the staggered insertion running that is used for the recording method and device recording method of recording voice programme on recording medium path of invention proposition.
Figure 12 is the synoptic diagram according to the compound message section after the compound running that is used for the recording method and device recording method of recording voice programme on recording medium path of invention proposition.
Figure 13 is recording voice programme is used for the pen recorder of recording compressed sound programme on the track of a recording medium in the recording method and device on the recording medium path the circuit block diagram that is used for according to the invention proposition.
Figure 14 is the circuit block diagram that the recording method and device of recording voice programme on recording medium path is used for reading from the track of recording medium acoustic compression syllable purpose playing device that is used for according to the invention proposition.
The preferred embodiment of recording medium of the present invention is the form that adopts laser disc, comprises most tracks.Shown in Fig. 4,5, each track (T) comprises more than one block (B).
Each block (B) comprises the compression sound programme that at least one is different, and each compression sound programme is to utilize the compression of the MPEG of Motion Picture Experts Group (MOTION PICTURE EXPERTS GROUP) compression audio format.In the present embodiment, six compression sound programmes are arranged, itself and practical image C D coded system in each block (B).Each compression sound programme is cut apart to form the individual continuous message section of majority (K) (AS (i, j), i=0 to 5, j=0 to K-1).(i j) is inserted by staggered the message section AS of each sound programme, so that the fixed linear speed of the CD disc record of playing device, just, 1.5Mbits/sec can keep consistent with the compression message bit rate of about 224Kbits/sec.Each message section AS (i j) is arranged among the continuous sub-block of K so that j message section of each acoustic compression syllable purpose AS (i j) is placed in j the sub-block.That is to say that each first message section of acoustic compression syllable purpose AS (i, 0) is to be positioned at first sub-block, second message section AS (i, 1) is positioned at second sub-block, the 3rd message section AS (i, 2) be to be positioned at the 3rd sub-block, the rest may be inferred for remaining.Each compresses sound programme and is furnished with a program numbers with the incremental order arrangement.In each sub-block, (i is to arrange according to the acoustic compression syllable purpose mode with the incremental order arrangement under it j) to each message section AS.That is to say, second acoustic compression syllable purpose message section AS (1, j) be to follow at first acoustic compression syllable purpose message section AS (0, j) back, the 3rd acoustic compression syllable purpose message section AS (2, j) be follow second acoustic compression syllable purpose message section AS (1, j) back, the rest may be inferred for remaining.
As shown in Figure 6, (i j) comprises a SYNC field 10, an ID field 11, a data field 12 and a mismanage sign indicating number field 13 to each message section AS.This SYNC field 10, this data field 12 and this mismanage sign indicating number field 13 are with defined identical in standard picture CD section.This SYNC field 10 comprises a SYNC word.This mismanage sign indicating number field 13 comprises a mismanage sign indicating number, it has an error-detecting code and an error-correcting code, as in standard CD-ROM and image C D.This ID field 11 comprises each message section AS (i, j) distinctive ID sign indicating number.This ID sign indicating number is that (i, j), and when this recording medium read out, (i was j) by correct and acquisition continuously to can be used to control each message section AS at each compression sound programme for the message section AS that is used for distinguishing the staggered insertion on this recording medium.
Also cooperate referring to shown in Fig. 4～6 as shown in Figure 7, this ID field 11 comprises a track number (TN), a block number (BN), a program numbers (PN), a section number (SN) and communication information (CI).This track number (TN) is represented this message section AS (i, j) track of Suo Shu recording medium (T).This block number (BN) represent this message section AS (i, the j) block (B) on Suo Shu the track (T), for example, (m) shown in Fig. 4 or (m+1).This program numbers (PN) represent this message section AS (i, j) the compression sound programme on Suo Shu the block (B), for example, the i=0 to 5 shown in Fig. 5.This section number (SN) is represented this message section AS, and (i, j) (for example, the j=0 shown in Fig. 5 is to K-1 for i, section number j) for the message section AS in Suo Shu the compression sound programme.This communication information (CI) comprises and be used for making things convenient for each acoustic compression syllable purpose sign of broadcast continuously when this recording medium is read.Each indicates can comprise program end of a period (EOP) sign, block end of a period (EOB) sign, track end of a period (EOT) indicates and a video disc is ended, and (EOD) indicates.In preferred embodiment of the present invention, the last message section of each acoustic compression syllable purpose, just, (i K-1), has EOP sign to AS.The last message section of each block (B), just, AS (5, K-1) have more EOB sign.The last message section AS of the last block (B) in a track (T) (5, K-1) have more EOT sign.And the last message section AS of the last block (B) in the last track (T) of this recording medium (5, K-1) have more EOD sign.
In preferred embodiment of the present invention, short compression sound programme is filled up hyte.So, (i, length j) is identical in the recording medium of present embodiment to each message section AS.
As shown in Figure 8, preferred embodiment of the present invention be used for the recording method of recording compressed sound programme on the track of the recording medium as the laser disc, comprise following step:
1. at first, the sound import program is compressed, as shown in Figure 9, six sound import programs with different length are that the mode as utilizing the MPEG of Motion Picture Experts Group (MOTION PICTURE EXPERTS GROUP) compression audio format is compressed, to obtain six compression sound programme P (0)-P (5).Each compresses sound programme P (0)-P (5) and is furnished with a program numbers with the incremental order arrangement, and forms a block that is recorded on this track jointly.
2. thereafter, will compress the sound programme segmentation, as shown in figure 10, each compression sound programme P (0)-P (5) is divided into the continuous compression sound programme section of similar number (K).Each compress sound programme section P (0,0) to P (5, K-1) preferably have identical length, so that all the compression sound programme P of cutting apart (0)-P (5) have identical length.This number (K) is by the longest acoustic compression syllable purpose length decision.In Fig. 9, this compression sound programme P (2) has the longest length.The compression sound programme P (0) that other are short, P (1), P (3), P (4), P (5) fill up to fill up hyte, so that the length of all the compression sound programme P of cutting apart (0)-P (5) is identical.
3. with the staggered insertion of program segment, as shown in figure 11, each compresses the sound programme section and inserts by the mode that second section of each first section of acoustic compression syllable purpose, each acoustic compression syllable purpose or the like flocked together is staggered, to form K continuous group of arranging with incremental order.In each group, each compresses the sound programme section and arranges according to the acoustic compression syllable purpose mode with the incremental order arrangement under it.
4. form the message section, as shown in figure 12, each compression sound programme section is with a SYNC word, the distinctive ID sign indicating number (as Fig. 6) of each compression sound programme section, an and mismanage sign indicating number, form message section AS corresponding to each compression sound programme section (i, j).This mismanage sign indicating number comprises at least one error-correcting code and an error-detecting code.The form of ID sign indicating number has cooperated Fig. 7 to narrate, so no longer heavily cover explanation.
5. last, (i j) utilizes the recording mechanism of prior art to each message section AS, is recorded on the track of this recording medium with the form of prior art.
Each message section AS (i, j) before being recorded on the recording medium, preferably via a special scramble algorithm scramble (scrambled), can be each message section AS (i, increase noise margin and convenient storage when j) this recording medium reads out certainly.
As shown in figure 13, preferred embodiment of the present invention be used for the pen recorder 2 of recording compressed sound programme on 4 tracks of the recording medium as the laser disc, the sectioning, a staggered inserter 23, a mismanage sign indicating number generator 24, a SYNC generator 25, an ID generator 26, a sector format traffic pilot 27 and the recording mechanism 28 that comprise an audio compressors 20, constitute by a storage device 21 and a segmentation controller 22.
This audio compressors 20 receives sound import programs, and be suitable for utilizing as the MPEG of Motion Picture Experts Group (MOTION PICTURE EXPERTS GROUP) compression audio format as compression algorithm the sound programme that is received is compressed.This audio compressors 20 is connected to as the storage device 21 as the memory cell, and each compression sound programme is stored in this storage device 21.In the present embodiment, six different compression sound programmes (as shown in Figure 9) are stored in this storage device 21, on the track that is recorded in this recording medium 4.
This segmentation controller 22 is connected to this storage device 21, and is responsible for each compression sound programme is divided into the continuous compression sound programme section (as Figure 10) of similar number.
This segmentation controller 22 preferably will be filled up to fill up hyte than short compression sound programme, to cause the length of respectively compressing the sound programme section identical.This segmentation controller 22 is stored in this storage device 21 to each compression sound programme section.
Should be connected to this storage device 21 and this segmentation controller 22 by staggered inserter 23, and it reads and exports compression sound programme section in this storage device 21 with a predefined form in regular turn by 22 controls of this segmentation controller, and form that can the output of tandem bit stream produces the staggered compression sound programme section of inserting.As shown in figure 11, this staggered inserter 23 at first reads first section of the acoustic compression syllable purpose of being furnished with the program numbers of arranging with incremental order, and then reads second section of each acoustic compression syllable purpose, reads the 3rd section afterwards again, and the rest may be inferred for remaining.
This mismanage sign indicating number generator 24 is connected to this staggered inserter 23, and utilize mismanage algorithm in the past to produce the mismanage sign indicating number of each compression sound programme section of being exported by this staggered inserter 23 with form in the past, this mismanage sign indicating number comprises at least one error-detecting code (EDC) and an error-correcting code (ECC).
This SYNC generator 25 produces a SYNC word.The ID generator 26 that is connected to this segmentation controller 22 receives the segment information of each compression sound programme section from this segmentation controller 22, and produces the ID sign indicating number of the distinctive correspondence of each compression sound programme section.The explanation of this ID sign indicating number has cooperated Fig. 7 to narrate, so no longer heavily cover explanation.
This sector format traffic pilot 27 is connected to this segmentation controller 22, this staggered inserter 23, this mismanage sign indicating number generator 24, this SYNC generator 25 and this ID generator 26.As shown in figure 12, under the control of this segmentation controller 22, this sector format traffic pilot 27 each compression sound programme section from this staggered inserter 23 add SYNC word from this SYNC generator 25, from the ID sign indicating number of the correspondence of this ID generator 26 and from the mismanage sign indicating number of the correspondence of this mismanage sign indicating number generator 24, can form message section AS corresponding to each compression sound programme section (i, j).(i j) forms a block (B) (as Fig. 5) that is recorded on these recording medium 4 tracks (T) to each compound message section AS.
This recording mechanism 28 is connected to this sector format traffic pilot 27, and is suitable for that (i j) is recorded on the track of this recording medium 4 each compound message section AS with form in the past.
One scrambler (figure do not show) can be set between this sector format traffic pilot 27 and this recording mechanism 28, can (i, j) track in this recording medium 4 changes each compound message section AS (i, frequency range j) before at each compound message section AS of record.
As shown in figure 14, this is that the track of recording medium 4 of the present invention reads acoustic compression syllable purpose playing device 3.This playing device 3 comprises a laser disc disc record 30, is to be used for reading this recording medium 4 under the control of acquisition controller 31.This laser disc disc record 30 outputs to SYNC detecting device 32, mismanage processor 33 and ID acquisition device 34 to the message section that is recorded on this recording medium 4.
This SYNC detecting device 32 detects the interior SYNC word of a message section, and start this mismanage processor 33 and this ID acquisition device 34, can receive the field of the correspondence of this message section when detecting this SYNC word.
When being subjected to the start of this SYNC detecting device 32, this mismanage processor 33 receives the mismanage sign indicating number field and the data field of this message section, and according to the mismanage sign indicating number in this mismanage sign indicating number field, to this data field execution error management operation, as error-detecting and error recovery.The output of this mismanage processor 33 is to be the original program segment of compression sound programme.
When being subjected to the start of this SYNC detecting device 32, this ID acquisition device 34 receives the ID field of this message section, and the ID sign indicating number that transmission is captured is to this acquisition controller 31.
This acquisition controller 31 receives the ID sign indicating number and play sequencer 38 from one in the past from this ID acquisition device 34 and receives play command, must be read for broadcast to determine which the message section on this recording medium.This acquisition controller 31 output one activation signal, and control this laser disc disc record 30 according to the ID sign indicating number of this play command and previous message section and read the message section.
One sector data acquisition device 35 receives the output of these mismanage processors 33, and captures sector data from this mismanage processor 33 when the enable signal that receives from this acquisition controller 31.This sector data acquisition device 35 is stored in the sector data that is captured in one first in first out (FIFO) storage arrangement 36.This FIFO storage arrangement 36 is collected the sector data that is captured, and the sector data that is captured is delivered to a message decompressor 37 decompress, to recover original sound programme.This message decompressor 37 is according to employed compression algorithm in the audio compressors 20 of Figure 10 and Figure 13, the data decompression that is stored in this FIFO storage arrangement 36.
If be recorded in message section on this recording medium 4 by scramble, need the descrambler (figure does not show) of a correspondence at the outgoing side of this laser disc disc record 30, before the message section is decoded, separate the reduction running of scramble.
Because the staggered insertion of the message section on recording medium 4 of the present invention is arranged, make highdensity compression sound programme keep the fixed linear speed of laser disc disc record 30, just, 1.5Mbits/sec under the situation consistent with the compression message bit rate of about 224Kbits/sec, be recorded on the track of this recording medium 4, at the compression sound programme when this recording medium 4 reads, avoid laser disc disc record 30 to replace between pause and the forward travel state through being everlasting, the degradation of this laser disc disc record 30 reduces to minimum degree.
Claims (25)
1. one kind is used for the recording method of recording voice programme on recording medium path, it is characterized in that comprising the following step:
Each sound import program compression is compressed sound programme to obtain several;
Each compression sound programme is divided into the continuous compression sound programme section of similar number; One SYNC word and the distinctive ID sign indicating number of each compression sound programme section are added on each compression sound programme section, to form message section corresponding to compression sound programme section; The message section is recorded on the track of recording medium; Each compression sound programme section also has a mismanage sign indicating number, and this mismanage sign indicating number comprises at least one error-detecting code and an error-correcting code; And,
By j compression of each acoustic compression syllable purpose sound programme section is gathered j the mode with the continuous group of incremental order arrangement, with staggered insertion of each acoustic compression syllable purpose compression sound programme section, to form a block.
2. as claimed in claim 1ly be used for the recording method of recording voice programme on recording medium path, it is characterized in that: described recording medium is laser disc.
3. as claimed in claim 1ly be used for the recording method of recording voice programme on recording medium path, it is characterized in that: the described sound programme that respectively compresses is furnished with a program numbers with the incremental order arrangement, compression sound programme section in each group is to arrange according to the acoustic compression syllable purpose mode with the incremental order arrangement under it during the staggered insertion of compression sound programme section.
4. as claimed in claim 1ly be used for the recording method of recording voice programme on recording medium path, it is characterized in that: described each sound import program utilizes the compression of the MPEG of Motion Picture Experts Group compression audio format.
5. as claimed in claim 4ly be used for the recording method of recording voice programme on recording medium path, it is characterized in that: described block comprises six compression sound programmes.
6. as claimed in claim 1ly be used for the recording method of recording voice programme on recording medium path, it is characterized in that: described ID sign indicating number comprises a program numbers representing the compression sound programme on the block under this message section, and a section number is to represent the section number of the message section in the compression sound programme under this message section.
7. as claimed in claim 6ly be used for the recording method of recording voice programme on recording medium path, it is characterized in that: described ID sign indicating number comprises that also a block number is to represent the block on the track under this message section.
8. as claimed in claim 7ly be used for the recording method of recording voice programme on recording medium path, it is characterized in that: described ID sign indicating number comprises that also a track number is to represent the track of the recording medium under this message section.
9. as claimed in claim 1ly be used for the recording method of recording voice programme on recording medium path, it is characterized in that: described recording method also is included in the step that is recorded in before this recording medium each message section scramble.
10. as claimed in claim 1ly be used for the recording method of recording voice programme on recording medium path, it is characterized in that also comprising following step:
When each compression sound programme segmentation, to fill up hyte short compression sound programme is filled up, so that short compression sound programme compression sound programme with the longest on length is identical.
11. as claimed in claim 10ly be used for the recording method of recording voice programme on recording medium path, it is characterized in that: the described length of respectively compressing the sound programme section is identical.
12. as claimed in claim 1ly be used for the recording method of recording voice programme on recording medium path, it is characterized in that: the described sound programme section of respectively compressing has identical length.
13. one kind is used for the pen recorder of recording voice programme on recording medium path, it is characterized in that comprising:
One audio compressors, this audio compressors are suitable for each sound import program compression to obtain several compression sound programmes; Be connected to the sectioning of audio compressors, this sectioning is to be used for each compression sound programme is divided into the continuous compression sound programme section of similar number; And be connected to the staggered insertion device of sectioning, be somebody's turn to do staggered insertion device and will compress the staggered insertion of sound programme section, form a block by j compression of each acoustic compression syllable purpose sound programme section is gathered j the mode with the continuous group of incremental manner arrangement;
One is used to produce the SYNC generator of SYNC word;
One ID generator, this ID generator are connected to this sectioning and controlled by this sectioning, to produce the distinctive ID sign indicating number of compression sound programme section that each is exported by this staggered insertion device;
One sector format traffic pilot, this sector format traffic pilot is connected to this sectioning, this staggered device, this SYNC generator and this ID generator of inserting, and being subjected to the control of this sectioning staggered inserting the compression sound programme section that device is exported be added to each from the corresponding ID sign indicating number of this ID generator by this from the SYNC word of this SYNC generator, formation is compressed the message section of sound programme section corresponding to each;
One recording mechanism, this recording mechanism are connected to this sector format traffic pilot and each message section are recorded on the track of this recording medium;
One mismanage sign indicating number generator, this mismanage sign indicating number generator is connected to this staggered device and this sector format traffic pilot of inserting, and produce each from this staggered mismanage sign indicating number that inserts the compression sound programme section of device, this sector format traffic pilot more is added to the compression sound programme section that each is exported by this staggered insertion device to the mismanage sign indicating number from this mismanage sign indicating number generator correspondence.
14. the pen recorder of recording voice programme on recording medium path that be used for as claimed in claim 13, it is characterized in that: described recording medium is laser disc.
15. the pen recorder of recording voice programme on recording medium path that be used for as claimed in claim 13, it is characterized in that: the described sound programme that respectively compresses is furnished with a program numbers with the incremental order arrangement, and the compression sound programme section in each group is interlocked by this and inserted device by the compression sound programme arrangement with the incremental order arrangement under it.
16. the pen recorder of recording voice programme on recording medium path that be used for as claimed in claim 13 is characterized in that: described audio compressors utilizes the MPEG of Motion Picture Experts Group compression audio format that the sound import program is compressed.
17. the pen recorder of recording voice programme on recording medium path that be used for as claimed in claim 13, it is characterized in that: described sectioning comprises: a storage device, this storage device are connected to this audio compressors and are used to store compression sound programme from this audio compressors; And a segmentation controller, this segmentation controller is connected to this storage device and is used for the compression sound programme of this storage device is divided into continuous compression sound programme section, and each continuous compression sound programme section is stored in this storage device.
18. the pen recorder of recording voice programme on recording medium path that be used for as claimed in claim 17, it is characterized in that: described staggered insertion device is connected to this storage device and this segmentation controller, and is subjected to this segmentation controller control in regular turn the compression sound programme fragment group in this storage device to be read and exports.
19. the pen recorder of recording voice programme on recording medium path that be used for as claimed in claim 13 is characterized in that: described mismanage sign indicating number comprises at least one error-detecting code and an error-correcting code.
20. the pen recorder of recording voice programme on recording medium path that be used for as claimed in claim 13, it is characterized in that: described ID sign indicating number comprises the acoustic compression syllable purpose program numbers on the affiliated block of this message section of expression, and the section number of the section number of the message section in the compression sound programme under this message section of expression.
21. the pen recorder of recording voice programme on recording medium path that be used for as claimed in claim 20 is characterized in that: described ID sign indicating number also comprises the block number of the block on the affiliated track of this message section of expression.
22. the pen recorder of recording voice programme on recording medium path that be used for as claimed in claim 21 is characterized in that: described ID sign indicating number also comprises the track number of the track of the recording medium under this message section of expression.
23. the pen recorder of recording voice programme on recording medium path that be used for as claimed in claim 13, it is characterized in that: described sectioning is filled up short compression sound programme to fill up hyte, so that short compression sound programme is identical with the longest compression sound programme on length.
24. the pen recorder of recording voice programme on recording medium path that be used for as claimed in claim 23 is characterized in that: the described length of respectively compressing the sound programme section is identical.
25. the pen recorder of recording voice programme on recording medium path that be used for as claimed in claim 13 is characterized in that: the described length of respectively compressing the sound programme section is identical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 98122323 CN1214364C (en) | 1998-11-13 | 1998-11-13 | Recording method for recording voice programme on recording medium path and its device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 98122323 CN1214364C (en) | 1998-11-13 | 1998-11-13 | Recording method for recording voice programme on recording medium path and its device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1254156A CN1254156A (en) | 2000-05-24 |
| CN1214364C true CN1214364C (en) | 2005-08-10 |
Family
ID=5227732
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 98122323 Expired - Fee Related CN1214364C (en) | 1998-11-13 | 1998-11-13 | Recording method for recording voice programme on recording medium path and its device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1214364C (en) |
-
1998
- 1998-11-13 CN CN 98122323 patent/CN1214364C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN1254156A (en) | 2000-05-24 |
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