CN1178984A - System and method for transmitting and recieving data between audio-video apparatus - Google Patents
System and method for transmitting and recieving data between audio-video apparatus Download PDFInfo
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- CN1178984A CN1178984A CN 97122846 CN97122846A CN1178984A CN 1178984 A CN1178984 A CN 1178984A CN 97122846 CN97122846 CN 97122846 CN 97122846 A CN97122846 A CN 97122846A CN 1178984 A CN1178984 A CN 1178984A
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Abstract
In a system having a digital video disc player and a number of presentation devices, the DVD player may transmit presentation data and a portion of control or navigation data obtained from a digital video disc to a desired one of the presentation devices in an isochronous communication manner so as to enable the respective presentation device to process or decode the presentation data in accordance with the transmitted portion of the navigation data without substantial time delays. The remaining portion of the navigation data may be transmitted from the DVD player to the respective presentation device in an asynchronous communication manner. Such arrangement of isochronous and asynchronous communication enables processing to be performed by the respective presentation device so as to reduce the amount of processing which may otherwise have to be performed by the DVD player.
Description
The present invention relates to the data communication between a plurality of audio/videos (AV) device, (video) coils the system of (DVD) device and another AV device to relate more specifically to have digital multi, and wherein data send between them and/or receive according to two kinds of transmission technologys.
Digital multi (video) dish (DVD) player can reproduce the data that are recorded on the digital video disc (DVD).More specifically, DVD player is renewable or reproduce data from DVD at drive part, reproduces data in the decoded portion decodable code, and corresponding therewith signal is provided, and is shown to guarantee image.The data that are recorded on the DVD can be according to predetermined standard compression, such as Motion Picture Experts Group (MPEG) standard.In addition, the mpeg data that is recorded on the DVD can be a program data stream, and their expressions one cover has video information, the program of audio-frequency information and auxiliary data.
Figure 14 illustrates DVD player 1 and DVD101.As shown in FIG., DVD101 comprises so-called guiding data and so-called video data, and DVD player 1 comprises guiding manager 11 and display engine 12.Video data can comprise video data, voice data and with this video and the corresponding sub-image data of voice data, and the guiding data can comprise such data, they relate to video data or are used for reproducing demonstration numerical value, reproduce the data of order and/or regenerability such as explanation.
In DVD player 1, guiding manager 11 is read and be provided to the guiding data from DVD101.Guiding manager 11 produces control signal and provides them to arrive display engine 12 according to the guiding data that receive.In addition, read video data and be provided to display engine 12 from DVD101.Display engine 12 is according to exporting as shows signal from the video data that control signal is regenerated or reproduction receives of guiding manager and with them.
Except the guiding data, guiding manager 11 also can receive from the external device (ED) (not shown) operate corresponding command signal with the user, and can handle according to this command signal.As an example, the imagination user need change the language of realize voice again into the situation of English from Japanese.In this case, the user can operate voice selecting key (not shown) rightly, and the instruction that changes corresponding to required voice is provided to guiding manager 11 thus.In response to this, can read the sub-ID corresponding stream number corresponding in the table that concerns between the stream number of guiding manager 11 from indication guiding data and the sub-ID, and can export this information and arrive display engine 12 with English Phonetics.In response to this, display engine 12 changes language English into and exports with English from Japanese.
Figure 15 illustrates guiding manager 11.As shown in FIG., guiding manager 11 comprises total body controller part 21, inlet retrieving portion 22, guide controller part 23, and user interface controller part 24.Also as shown in figure 15, directs data packets is drawn together overall control data, inlet retrieve data, user interface control data and guiding control data.
Be provided to total body controller part 21 from coiling the 101 overall control datas of reading.This overall control data can comprise that the overall information relevant with data stream is (such as broadcast system type (NTSC, PAL), compact model type or the like) root information.This total body controller part 21 can be provided with parameter relevant therewith in demoder or the display engine 12 according to the overall control data that receives.For example, total body controller part 21 can be determined from the compression of overall control data regeneration or the speech data that reproduces (such as the MPEG-audio frequency, in Doby AC-3 and the linear PCM one).Be provided to inlet retrieving portion 22 from coiling the 101 inlet retrieve data that read.But this inlet retrieve data can comprise the so-called program chain information (PGCI) of designation data regeneration order and the address table that the indicated number data are recorded in position on the dish 101.The root information that provides according to total body controller part 21 and with the video data corresponding address, inlet retrieving portion 22 can be selected each PGCI.
Be provided to user interface controller part 24 from coiling the 101 user interface control datas that read.This user interface control data can comprise such data, and it is used to forbid a kind of operation or indicates a kind of operation according to reproduction position, if the user allows.As an example, user interface controller part 24 can provide with a kind of and operate corresponding signal to the proper circuit (not shown), if the user allows this operation.
Guiding control data (can be PGCI) is provided to guide controller part 23.Guide controller part 23 can be from the extracting data information that receives, such as with the order of regeneration with relevant information is set and provides these information to display engine 12.
Figure 16 illustrates display engine 12.As shown in FIG., this display engine comprises shunt (demux) part 31, audio decoder 32, Video Decoder 33, subimage (SP) demoder 34, high brightness demoder 35 and supercircuit 36.
One of shunt part 31 receives video datas and classifies or determine that the type of this data is an audio pack according to the stream ID that is write the packet header of video data from coiling 101, video packets and sub-picture pack.According to this data type, shunt part 31 is provided to audio decoder 32 with the data of output, and in Video Decoder 33 and the subimage demoder 34 suitable one is with decoding therein.Decoded signal from audio decoder 32 is provided to D/A (D/A) converter 41, and wherein sort signal is converted into analog voice or sound signal and from its output.Decoded signal from Video Decoder 33 and subimage demoder 34 can be provided to supercircuit 36.
According to the high brightness information that provides from guiding manager 11, high brightness demoder 35 can provide and position of wanting blast and the relevant information of colour that will use.Can be provided to supercircuit 36 from the high-brghtness picture images information of the decoding of high brightness demoder 35.
Supercircuit 36 can receive the information from the representative video image of Video Decoder 33, from the subimage of subimage demoder 34 or captions image with from the high-brghtness picture images of high brightness demoder 35, and the information of stackable these receptions.Superposition image signal from supercircuit 36 can be provided to D/A (D/A) converter 42, and wherein sort signal is converted into analog picture signal and output from then on.
Therefore, guiding manager 11 is handled the guiding data and display engine 12 processes and displays data, to regenerate or to reproduce the data that are recorded on the DVD101.In addition, in the processing of video data, display engine 12 can be used to the information (such as configuration information) from the manager 11 that leads.
Assignee of the present invention has proposed a such system, and wherein the data that read from DVD can be sent to a plurality of Digital Television and this data can be regenerated by digital interface each Digital Television.This system has been described in the flat 8-238761 of Japanese patent application No., here as a reference.In this system, can combine processing with the guiding data at the transmission equipment side video data, after this these data send to the receiver side that is used to decode.As a result, because this processing is carried out at transmission equipment side, the treatment capacity of carrying out at transmission equipment side is just quite big, therefore goes wrong.
The purpose of this invention is to provide a kind of system, wherein relate to or can carry out at receiver side,, therefore overcome the problem of said system to reduce the treatment capacity that transmitter side will carry out with the relevant processing of guiding data with sending and receiving device.
More specifically, the purpose of this invention is to provide a kind of audio-frequency/video frequency system with digital video disc (DVD) player and display device, wherein DVD player produces video data, voice data and control or guiding data, video data wherein, voice data and the part data that lead send to display device and handle therein from DVD player with the method for synchronization.
Another object of the present invention provides aforesaid audio-frequency/video frequency system, and wherein DVD player has first interface, and display device has second interface, and wherein first interface and second interface meet the 1394IEEE standard.
Another purpose more of the present invention provides the DVD player of the audio-frequency/video frequency system that is used to have a plurality of display device, wherein DVD player produces video data, voice data and control or guiding data, and send this video data, voice data and part leads data at least one display device with the method for synchronization, so that handle therein.
Other purpose of the present invention provides the display device of the audio-frequency/video frequency system of (DVD) player that is used for having digital video disc, DVD player produces video data, voice data and control or guiding data, wherein this video data, voice data and the data that partly lead send to display device with the method for synchronization from DVD player, and handle therein.
According to one aspect of the present invention, the audio-frequency/video frequency system that is provided comprises that (i) has digital versatile disc (DVD) device of the device that produces voice data, video data and guiding data; With first interface, be used for sending voice data, video data and the data that partly lead in first mode, send other guiding data division in second mode; And (ii) display device, have second interface, be used for receiving voice data from the DVD device in first mode, video data and the part data that lead, and be used for receiving another part guiding data from the DVD device in second mode.
According to another aspect of the present invention, provide the digital versatile disc (DVD) that is suitable for being connected to install with a plurality of display device.This device comprises the device that is used to produce voice data, video data and guiding data; And interface, be used for sending voice data, video data and part and lead data, and be used for sending another part guiding data to another display device in second mode to one of display device in first mode.
According to another aspect of the present invention, provide and be used to receive voice data, the display device of video data and guiding data, this device comprises interface, be used for receiving voice data, video data and the data that partly lead, and be used for receiving another part guiding data in second mode in first mode; First treating apparatus is used to handle voice data, the video data that receives in first mode and the data that partly lead; With second treating apparatus, be used to handle another part guiding data that receive in second mode.
In addition, the present invention can comprise first device, be used for sending first data of coding and having second data of the regeneration sequence column information of first data by digital interface, and a plurality of second devices, be used to receive first and second data that send by digital interface, and utilize second data, first data of decoding.
By below in conjunction with accompanying drawing most preferred embodiment of the present invention being described, above-mentioned purpose of the present invention and advantage will be clearer, and corresponding parts are represented with identical label in the accompanying drawing.
Fig. 1 is the synoptic diagram of sound intermediate frequency/video of the present invention (AV) system;
Fig. 2 is according to the DVD player of the system of one embodiment of the invention and the synoptic diagram of display device among Fig. 1;
Fig. 3 A and 3B are as a reference synoptic diagram when explaining the synchronous communication bag;
Fig. 4 is as a reference a synoptic diagram when explaining the order format of CIP title;
Fig. 5 is as a reference a synoptic diagram when explaining instruction in asynchronous communication and response data packet;
Fig. 6 A and 6B are as a reference synoptic diagram when explaining asynchronous form of communicating by letter;
Fig. 7 is as a reference a synoptic diagram when explaining synchronous communication;
Fig. 8 is as a reference a synoptic diagram when explaining the packet format of video data;
Fig. 9 is as a reference a synoptic diagram when explaining the form of guiding bag;
Figure 10 is at the synoptic diagram of explaining when concerning between stream ID value and the bag type as a reference;
Figure 11 is in the son stream ID value of explaining video data and wraps when concerning between the type as a reference synoptic diagram;
Figure 12 is in the son stream ID value of explaining the guiding data and wraps when concerning between the type as a reference synoptic diagram;
Figure 13 is according to the DVD player of the system of another embodiment of the present invention and the synoptic diagram of display device among Fig. 1;
Figure 14 is DVD player and the synoptic diagram that can be used for the dish of this DVD player;
Figure 15 is as a reference a synoptic diagram when the guiding manager of the DVD player of explaining Figure 14; With
Figure 16 is as a reference a synoptic diagram when the display engine 12 of the DVD player of explaining Figure 14;
Fig. 1 has shown and has been combined with data processing of the present invention, the AV system of transmission and receiving system.As shown therein, this AV system comprises DVD61 and the display device 63-1 to 63-3 that interconnects by AV bus 64.
In the AV of Fig. 1 system, DVD player 61 can reappear or regenerate DVD (dish) and provide encoded data signals to arrive one or more display device 63-1 to 63-3 by AV bus 64.In addition, display device 63-1 to 63-3 can provide data or information to DVD player 61 by bus 64.The AV bus can be a STD bus, such as 1394IEEE (electronics and the Electronics Engineer council) high performance serial bus.In other words, can be television receiver, one or more display device 63-1 to 63-3 of video recorder (VCR) etc. can and handle them from the data of DVD player 61 received codes, and provide data or information to DVD player 61 in the following mode that will describe.In addition, DVD player 61 can be reproduced or reproduce data and provide analog video signal to simulated television 62 from DVD (dish), wherein can come display image according to sort signal.
Fig. 2 has at length shown DVD player 61 and display device 63-1.Although display device 63-2 and 63-3 are not shown in Figure 2, they all can have the similar structure with display device 63-1, just they are not described in detail thus.
As shown in Figure 2, being recorded in representative data and the guiding data of dish on 101 can utilize the driver 71 of DVD player 61 to reproduce or read.Comprise audio pack, the reproduction video data of video packets or sub-picture pack can be provided to display engine 12 and variable bit rate (VBR) controller part 72.Can comprise the guiding bag, the guiding data of the reproduction of video management information (VMGI) and video title configuration information (VTSI) can be provided to guiding manager 11A and variable bit rate controller part 72.
Variable bit rate controller part 72 can provide the video data of reception and guiding data to arrive transmitter receiver section 75.This variable bit rate controller part can resemble and constitute the flat 8-238761 of Japanese patent application No., at this as a reference.
Therefore, 1394 transmitter receiver sections 75 can be finished synchronous and asynchronous communication.In addition, 1394 transmitter receiver sections 75 can send data by synchronous communication, and by asynchronous communication can send the instruction and reply.Below description is comprised details with this synchronous and asynchronous relevant pack arrangement of communicating by letter.
The structure that can be used on the bag of synchronous communication is shown among Fig. 3 A.As shown in the figure, this bag can comprise packet header, title CRC, data segment and data CRC.Packet header can comprise the data length of representative data length, be illustrated in the sign of the type of data format that sends in each bag, the channel (they can be 0 to 63) of representing the channel of each bag, the T sign indicating number of expression transaction code, and expression is used to illustrate asynchronous yard Sy of various application.Title CRC is the error detection code of packet header.Data field can comprise C' title and real time data, shown in Fig. 3 B.Real time data is the data that will send.Data CRC is the error detection code of data field.
The form of CIP title is shown in Fig. 4.Just as shown therein, the CIP title can comprise transmission node SID, bag cells D BS, the data number of cutting apart of bag FN, making data length when cutting apart QPC is the additional blockage (quadlet) number (blockage can be 4 bytes) of predetermined fixed length, the title sign of SPH is wrapped in the source, is used to detect the counter of the blank of wrapping DBC, signal format FMT and form relevant field FDF.Rsv is the clear area.
Fig. 5 shows the structure that can be used for comprising the instruction and the asynchronous bag of communicating by letter of response.As shown in the figure, this bag can comprise packet header and data block.Packet header can have the Target id that is used for recognition objective, be used to indicate the affairs label of affairs label, be used to indicate the retry sign indicating number of retry regeneration, be used to indicate the T sign indicating number of transaction code, right of priority (pri) is used for the information source ID of indicating target, be used to indicate the target biasing of hanging down order of destination address, the data length of designation data length is used to indicate the expansion T sign indicating number of other transaction code, the title CRC of the error detection code of indication title.This data block can have CTS, CT/RC, HA, OPC, OPR and as the data CRC of the error detecting code of the error of data.Below in conjunction with Fig. 6 A-6B CTS is described, CT/RC, HA, OPC, and OPR.
As shown in Figure 6A,, in CTS, provide 0, the sign indicating number that is used to indicate request type is provided in CT/RC, the Target id in the device is provided in HA, the instruction that transmit is provided in OPC, and relevant parameter is provided in OPR for move instruction.Shown in Fig. 6 B, reply in order to transmit, in CTS, provide 0, the sign indicating number that is used to indicate acknowledgement type is provided in CT/RC, the address ID in the device is provided in HA, the sign indicating number of indication processing instruction is provided in OPC, and relevant parameter is provided in OPR.
As shown in Figure 7, in synchronous communication, one of each AV device that is connected with bus 64 can begin or the first timing part transmission cycle startup bag the opening of cycle that has such as 125 microsecond scheduled periods.Schedule time amount or zero can be distributed to each AV device, to carry out synchronous communication.As a result, in the timing that distributes, each AV device all can send the data with predetermined channel numbers.Therefore, data can certain the time interim transmission.
Get back to Fig. 2, the transmitter receiver section 91 of display device 63-1 can carry out synchronous communication according to the IEEE1394 standard and communicate by letter with asynchronous.Promptly by synchronous communication, 1394 transmitter receiver sections 91 can receive the data that send from DVD player 61, and can provide this data to shunt (demux) part 92.So the data that send can comprise video data (such as audio frequency, video, and/or sub-image data) and guiding data (such as guiding bag, VMGI, and/or VTSI).In addition, 1394 transmitter receiver sections 91 can receive the data that send from DVD player 61 by asynchronous communication, and provide these data to guiding manager 95.The data of Fa Songing can comprise other guiding data like this.In addition, 1394 transmitter receiver sections 91 can will send to 1394 transmitter receiver sections 75 of DVD player 61 in response to user's the signal that operates in generation in the sub-control section 97 of user interface by asynchronous communication.
Therefore, by with the synchronous communication of the transmitter receiver section 75 of DVD player 61,1394 transmitter receiver sections 91 can receive video data and part guiding data.As the result of this synchronous communication, display device 63-1 can handle the video data with part guiding data in real-time or essentially no time delay ground.Remaining guiding data division (they can be handled in real time) can non-synchronously send from DVD player 61.
Shunt part 92 can receive the guiding data from 1394 transmitter receiver sections 91, and judges or determine the type of bag according to the stream ID value that writes in the data that provide (bag) title.As this definite result, shunt part 92 exportable video datas are to display engine 93, and the export orientation data are to guiding manager 95.
In predetermined built-in register, this guiding manager 95 can be provided by the data that provided by 1394 transmitter receiver sections 91 by DVD player 61.In addition, guiding manager 95 can be handled the guiding data that shunt 92 provides, and the corresponding signal of exportable and this processing is to display engine 93.For example, from guiding manager 95 so the signals of output can relate to the high brightness positional information and to the chromatic information of the menu part blast selected, and the color information of subimage.
The work of DVD player 61 and display device 63-1 will be described below.
In DVD player 61, video data and guiding data are read from coiling 101 by the disk drive 71 of DVD61.This video data of reading is provided to display engine 12 and variable bit rate controller 72, and the guiding data of reading are provided to guiding manager 11A and variable bit rate controller part 72.Video data (audio pack by 72 receptions of variable bit rate controller part, video packets, and sub-picture pack) and guiding data (guiding bag, VMGI, VTSI) be output to 1394 transmitter receiver sections 75, and have such timing relationship, promptly receiving rear indicator 63-1 this data of decoding immediately.The information information of conversational language (such as speak frankly) can be provided to display engine 12 from guiding manager 11A.In addition, the transmitter part 121 of guiding manager 11A can be used for the systematic parameter of the processing that the guiding manager 95 by display device 63-1 carried out to 75 outputs of 1394 transmitter receiver sections.The data that are provided to 1394 transmitter receiving units 75 from variable bit rate controller part 72 send to display device 63-1 with the method for synchronization thus.In addition, the data that are provided to 1394 transmitter receiver sections 75 from guiding manager 11A send to display device 63-1 in asynchronous mode thus.
In display device 63-1,1394 transmitter receiver sections 91 receive the data that send from 1394 transmitter receiver sections 75 of DVD player 61.The data of synchronized transmission are provided to shunt part 92, and the data of asynchronous transmission are provided to guiding manager 95.The value of the stream ID and the son stream ID of these data is checked or determined to shunt part 92, and judge this data type (bag).If this bag is video data (audio pack, any one in video packets and the sub-picture pack), each wraps display engine 93 92 outputs of shunt part.On the other hand, if bag is guiding data (guiding bag, any one among VMGI and the VTSI), each wraps guiding manager 95 shunt 92 outputs.The directs data packets of this transmission is handled by guiding manager 95, and corresponding therewith signal is provided to display engine 93.Display engine 93 is according to the video data of the signal decoding that provides of guiding manager 95 from shunt part 92, and export the digital video of this generation and sound signal to D/A converter 94, converter 94 converts this digital signal to the simulating signal that simulating signal and output obtain then immediately.
Video data can comprise a plurality of independently bags.Fig. 8 illustrates the packet format of video data.As shown in FIG., this form can be included in unwraps the packet header that the head place has 14 bytes, and packet header is for being used for video information, the zone of one of audio-frequency information and subimage information (information compressed), and blank information.The length that blank information can be used for mating bag is predetermined fixed length, and is not used in transmission of Information.The ID that becomes a mandarin can be write in precalculated position (zone) at packet header.
Fig. 9 illustrates the form of guiding bag.As shown in the figure, this form can be included in the packet header that the packet header place has 14 bytes, has system's title of 4 bytes, display control information bag (PCI_PKT) and data serch information bag (DSI_PKT).PCI bag can be included in the packet header that its beginning place has 6 bytes, has the son stream ID zone of 1 byte and can comprise the pci data with 979 bytes of high brightness information.DSI bag can be included in the packet header that its beginning place has 6 bytes, but has the son stream ID zone of 1 byte and have the DSI data with 1017 bytes of designation data deviate.The ID that becomes a mandarin can be write in precalculated position (zone) at system's title.
As mentioned above, the guiding bag can comprise two packets of information.
In addition, with above-mentioned guiding wrap similar structure can be used for VMGI and/VTSI.
Figure 10 illustrates the relation between stream ID value and the bag type.In the title of the bag of video data, can include stream ID, and in system's title of directs data packets, can include stream ID., in both cases, can write the ID that becomes a mandarin (promptly can write each so ID) at identical relevant position place in the position that is assigned the bit of similar number from the title that wraps.As shown in figure 10, if stream ID is 110x0n1n2n3b (wherein b represents a binary number, and x represents any one in 0 and 1, and ni is 0 or 1), this bag is audio pack, can be (n1n2n3b) individual bag of mpeg audio stream particularly.If stream ID is 1110000b, then this wraps and is video stream packets or video packets.If stream ID is 10111101b, this bag video data bag of son stream ID explanation of serving as reasons then.If stream ID is 10111111b, then wrap the directs data packets of the son stream ID explanation of serving as reasons.
Figure 11 illustrates the son stream ID value of video data bag and the relation between the bag type.As shown in FIG., ID is 001n1n2n3n4n5b (wherein ni is 0 or 1) as fruit stream, and then this wraps and is sub-picture pack, can be (n1n2n3n4n5b) individual bag of sub-picture streams particularly.ID is 10001n1n2n3b as fruit stream, and then this wraps and is audio pack, such as (n1n2n3b) individual bag of Doby-AC3 audio stream.ID is 10001n1n2n3b as fruit stream, and then this wraps and is audio pack, such as (n1n2n3b) individual bag of DTS audio stream.ID is 10010n1n2n3b as fruit stream, and then this wraps and is audio pack, such as (n1n2n3b) individual bag of SDDS audio stream.ID is 10100n1n2n3b as fruit stream, and then this wraps and is audio pack, such as (n1n2n3b) individual bag of linear PCM audio stream.
Figure 12 illustrates the son stream ID value of guiding data and the relation between the bag type.If the son of these guiding data stream ID is 00000000b, this bag is the PCI bag, and the packet with this each bag wraps for guiding.If the son of this directs data packets stream ID is 00000001b, then this wraps the bag into DSI, and the packet with this each bag is the guiding bag.
In a similar fashion, predetermined son stream ID value can be assigned with and be used for the bag of VMGI and VTSI.Therefore, be of this predetermined value as the value of fruit stream ID, then this wraps VMGI or VTSI into correspondence.
Therefore, flow ID by checking stream ID and/or son, but the type of specified data.
Therefore, as previously described, in the DVD player 61 and display device 63-1 of Fig. 2, DVD player 61 can send from coiling 101 video datas that obtain and part guiding data to display device 63-1 by synchronous communication mode, handle or the decoding and displaying data according to those part guiding data that send with assurance display device 63-1, and do not have big time delay (or in real time).The guiding data of remainder (they are not used in real-time processing) can asynchronous communication mode send to from DVD player 61 and show 63-1 is set.This synchronous and asynchronous arrangement of communicating by letter has been guaranteed to be handled by different display device respectively, and with the minimizing treatment capacity, otherwise these treatment capacities must be handled by DVD player.
In Figure 13, illustrate DVD player 61 ' and another embodiment of display device 63-1 '.Although do not show in Figure 13, display device 63-2 and display device 63-3 can be connected to DVD player 61 ' and can have the structure similar to display device 63-1 ' similarly.In addition, the DVD player 61 of Figure 13 ' and those similar and arrangements in a similar fashion of the unit that had of display device 63-1 ' and Fig. 2.The work of these similar unit or operation are described similar to previous Fig. 2.Therefore, these similar unit will no longer be described or only do concise and to the point description in conjunction with Figure 13.
The DVD player 61 of Figure 13 ' in, display engine 12 and variable bit rate controller part 72 can be provided to by disk drive 71 from coiling 101 video datas of reading, and guiding manager 11B and guiding bag test section 76 can be provided to from coiling the 101 guiding data of reading by driver 71.Guiding manager 11B can have transmitter part 121A, be used for only sending the display controller part 98 that is used at display device 63-1 ' and handle the data of using, and can have receiver section 122, be used to receive the user who provides with display device 63-1 ' and operate corresponding command signal, and be used for converting these command signals to the manager 11B that leads the corresponding form of processing.In addition, this guiding manager 11B also can comprise other unit, and they are similar to those of guiding manager 11 shown in Figure 15.The stream ID and the son stream ID of the guiding data that provide can be provided in guiding bag test section 76, and according to inspection, an export orientation bag data is to variable bit rate controller part 72.Other unit of player DVD61 ' can be similar to those of the DVD player 61 of Fig. 2, therefore no longer describes here.
In the display device 63-1 ' of Figure 13, the stream ID and the son stream ID of the data that provide from 1394 transmitter receiver sections 91 can be provided in guiding bag test section 96, and output video data bag is to display engine 93, and the export orientation bag is to display control section 98.This display controller part 98 can be handled guiding bag that receives from guiding bag test section 96 and the data that receive by 1394 transmitter receiver sections 91, to produce the control signal that will be provided to display engine 93.Other unit of display device 63-1 ' can be similar to those of the display device 63-1 of Fig. 2, therefore no longer describes here.
The DVD player 61 of Figure 13 ' and work of display device 63-1 ' will be described now.
DVD player 61 ' in, video data and the guiding data can read from coiling 101 by disk drive 71.The video data of reading can be provided to display engine 12 and variable bit rate controller part 72, and the guiding data of reading can be provided to guiding manager 11B and guiding bag test section 76.The guiding of 76 the export orientation data in guiding bag test section is wrapped variable bit rate controller part 72.Variable bit rate controller part 72 provides the data that received, and (it can be an audio pack, video packets, sub-picture pack and guiding bag) to 1394 transmitter receiver sections 75, and have such timing relationship, promptly receiving data rear indicator 63-1 ' this data of can decoding immediately.In addition, the transmitter part 121A of guiding manager 11B only is provided at data used in the processing that the display controller part 98 of display device 63-1 ' carries out to 1394 transmitter receiver sections 75.1394 transmitter receiver sections 75 output to display device 63-1 ' with synchronous communication mode with the data that variable bit rate controller part 72 provides, and output to display device 63-1 ' with the asynchronous communication mode data that manager 11B provides that will lead.
In display device 63-1 ', the data that 1394 transmitter receiver sections 91 receive from DVD player 61 ' transmission.This 1394 transmitter receiver section provides the data of synchronized transmission to wrap test section 96 and provide the data of asynchronous transmission to arrive display controller part 98 to guiding.Guiding bag detector portion 96 is checked the value of stream ID and son stream ID, and judges this data type (bag).Be video data (audio pack, any one in video packets and the sub-picture pack) if this wraps, this bag is provided to display engine 93.On the other hand, be the guiding bag if this wraps, this bag is provided to display controller part 98.Display controller part 98 is handled the guiding Bao Bingke that receives from guiding bag test section 96 and is handled the data that receive from 1394 transmitter receiver sections 91, to produce the control signal that will be provided to display engine 93 from these data.According to control signal from display controller part 98, the video data that display engine 93 decoding receives from guiding bag test section 96, producing digital video and sound signal, these signals are converted to simulating signal by D/A converter and from its output.
Therefore, state as the front, the DVD player 61 of Figure 13 ' and display device 63-1 ' in, with synchronous communication mode, DVD player 61 ' can send from coiling 101 video data and the guiding that obtain and wrap display device 63-1 ', guaranteeing that display device 63-1 ' assigns to handle or the decoding and displaying data according to the sending part of guiding data, and there is not time delay (or in real time) basically.DVD player 61 ' available asynchronous communication mode sends all the other controls or guiding data (it can comprise VTSI and VMGI).According to guiding bag and/or control data, display device 63-1 ' decodable code or processes and displays data.
As the embodiment of Fig. 2, adopt synchronous and asynchronous communication mode among the embodiment of Figure 13, can guarantee to handle respectively by different display device, with the minimizing treatment capacity, otherwise these treatment capacities have to be handled by DVD player.In addition, in the embodiment of Figure 13, because only be useful on data in the guiding data (such as guiding bag) of the real-time processing of display device 63-1 ' by synchronized transmission (remainder data or be not used in the data of real-time processing can be by asynchronous transmission), the transfer efficiency among the embodiment of the comparable Fig. 2 of transfer efficiency improves.
Although describing when of the present invention, the guiding manager 11A of DVD player 61 is according to handling from the user's of display device 63-1 operation, and the present invention is not limited to this.For example, the guiding manager 95 (Fig. 2) of display device 63-1 or 63-1 ' or display controller part 98 (Figure 13) can so be handled.
Although the preferred embodiments of the present invention and distortion thereof are described in detail, but should understand the present invention is not restricted in these embodiment and the distortion, do not break away from the spirit and scope of the present invention, those of ordinary skill can be made various other variations and remodeling, and scope of the present invention is determined by claim.
Claims (18)
1. a digital versatile disc (DVD) installs, and it can be connected with a plurality of display device, and described device comprises:
Be used to produce the device of voice data, video data and guiding data; With
Interface is used for sending described voice data, described video data and described part guiding data to one of described display device in first mode, sends other described guiding data division to another described display device in second mode.
2. according to the described digital versatile disc device of claim 1, wherein said first mode is the method for synchronization.
3. according to the described digital versatile disc device of claim 2, wherein said second mode is the non-method of synchronization.
4. according to the digital versatile disc device of claim 1, wherein said interface meets the 1394IEEE standard.
5. be used to receive the display device of voice data, video data and guiding data, described device comprises:
Interface is used for receiving described voice data, described video data and a part of described guiding data in first mode, and is used for receiving the described guiding data of another part in second mode;
First treating apparatus is used to handle the described guiding data of the described voice data that receives in first mode, described video data and a described part; With
Second treating apparatus is used to handle the described guiding data of the described another part that receives in second mode.
6. according to the described display device of claim 5, wherein said first mode is the method for synchronization.
7. according to the described display device of claim 5, wherein said second mode is the non-method of synchronization.
8. according to the described display device of claim 5, wherein said interface meets the 1394IEEE standard.
9. audio-frequency/video frequency system comprises:
The digital versatile disc device, it has the device that is used to produce voice data, video data and guiding data; With first interface, be used for sending described voice data, described video data and a part of described guiding data, and send other described guiding data division in second mode in first mode; With
Display device, it has second interface, be used for receiving the described voice data from described DVD device, described video data and a part of described guiding data, and receive described guiding data from another part of described DVD device in described second mode in described first mode;
10. according to the described audio-frequency/video frequency system of claim 9, wherein said display device comprises first treating apparatus, is used to handle the described guiding data of the described voice data that receives in described first mode, described video data and a described part; With second treating apparatus, be used to handle the described guiding data of the described another part that receives in described second mode.
11. according to the described audio-frequency/video frequency system of claim 9, wherein said first mode is the method for synchronization.
12. according to the described audio-frequency/video frequency system of claim 9, wherein said second mode is the non-method of synchronization.
13. according to the described audio-frequency/video frequency system of claim 9, wherein said first interface and described second interface meet the 1394IEEE standard.
14. a method that transmits and receive data between a plurality of audio/video devices, described method comprises step:
In the DVD device, produce voice data, video data and guiding data;
First interface by the DVD device sends described voice data, described video data and described part guiding data in first mode, and first interface by the DVD device sends other described guiding data division in second mode;
Receive the described part of the described voice data, described video data and the described guiding data that send from the DVD device at second interface of display device in first mode, receive the described other parts of the described guiding data that send from described DVD device at second interface of display device in second mode.
15., further comprise step: the described part of handling the described voice data, described video data and the described guiding data that receive in first mode with first treating apparatus of described display device according to the described method that is used to transmit and receive data of claim 14; Handle the described other parts of the described guiding data that receive in described second mode with second treating apparatus of described display device.
16. according to the described method that is used to transmit and receive data of claim 14, wherein said first mode is the method for synchronization.
17. according to the described method that is used to transmit and receive data of claim 14, wherein said second mode is the non-method of synchronization.
18. according to the described method that is used to transmit and receive data of claim 14, wherein said first interface and second interface meet the 1394IEEE standard.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 97122846 CN1178984A (en) | 1996-09-27 | 1997-09-27 | System and method for transmitting and recieving data between audio-video apparatus |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP256838/96 | 1996-09-27 | ||
| CN 97122846 CN1178984A (en) | 1996-09-27 | 1997-09-27 | System and method for transmitting and recieving data between audio-video apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1178984A true CN1178984A (en) | 1998-04-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 97122846 Pending CN1178984A (en) | 1996-09-27 | 1997-09-27 | System and method for transmitting and recieving data between audio-video apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1178984A (en) |
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1997
- 1997-09-27 CN CN 97122846 patent/CN1178984A/en active Pending
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