CN1731520A - Data recording and playing arrangement in composite video set - Google Patents
Data recording and playing arrangement in composite video set Download PDFInfo
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- CN1731520A CN1731520A CN 200410053533 CN200410053533A CN1731520A CN 1731520 A CN1731520 A CN 1731520A CN 200410053533 CN200410053533 CN 200410053533 CN 200410053533 A CN200410053533 A CN 200410053533A CN 1731520 A CN1731520 A CN 1731520A
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Abstract
The invention relates to a data recording and displaying apparatus of a compound video, which can keep the reciprocity between the MPEG2 data with different forms of the compound video which is formed by a D-VHS box type viewer and a disk recorder and can do effective the same recording and displaying operation of connection recording operation and analog recording operation between the vision recording tape and the disks. It transforms the along signal into a along or digital signal or transforms the MPEG2 TS flow into MPEG2 PS flow, then it can record and display the input signal of multiply types; the HD degree, the SD degree and the along image can be recorded and displayed.
Description
(1) technical field
The invention relates to data recording and playing device in the synthetic image machine of the integrated formation of D-VHS videocassette recorder and disc (disc) register.
(2) background technology
In general, can be with analog video and audio signal recording the general videocassette recorder (VCR) of the VHS mode in the video audiotape, replaced by the digital video cassette recorder that digital video and audio data recording are stored in the VHS video audiotape gradually.
Perhaps, in the high density compact disc identical with DVD, researching and developing can be with the magnetic disk recorder of digital video and audio data recording storage, and is introducing to the market.
On the other hand, above in the digital video cassette recorder of said D-VHS mode, digital video and voice data are encoded to transmitting data stream in the MPEG2 mode, and recording storage is in the video audiotape.
Simultaneously, above in said disc (disk or the CD) register, digital video and voice data are encoded to program flow (PS) in the MPEG2 mode, and recording storage is in DVD.
Thus, the user utilizes the digital VCR of top said D-VHS mode, with program recording storage in the video audiotape of the numerical data of oneself requirement is transmitting data stream, perhaps utilize above said disc record device, in CD behind the recording storage program flow, but the video image of playback of audio-visual high image quality and audio reproducing.Recently, researching and developing by the digital VCR and the integrated synthetic image machine that constitutes of disc record device of the top D-VHS mode of carrying, and expectation comes into the market early.
But, in synthetic image machine same as described above, constitute included digital VCR and disc record device according to it, for keep interchangeability between the MPEG2 of each self-recording different-format data stream, its concrete solution is not also formulated; On the other hand, for the linkage record operation or the analog signal record that carry out between similar video audiotape and disc are operated this various function and operation, its also not appearance of solution effectively, this just requires to take out as soon as possible solution.
(3) summary of the invention
The present invention proposes in order to solve above-mentioned scheme, the object of the present invention is to provide data recording and playing device in a kind of synthetic image machine, in the synthetic image machine of D-VHS videocassette recorder and the integrated formation of disc record device, keep the interchangeability between the MPEG2 data stream of different form, corresponding therewith, can carry out effectively with video audiotape and disc between identical various record and play operation such as linkage record operation and analog signal record operation
For achieving the above object, be constructed as follows according to digital recording and playing device in the synthetic image machine of the present invention: with analog signal record in audiotape recording medium, or be the MPEG2 transmitting data stream, and it is recorded in audiotape device in the audiotape recording medium with digital signal encoding; With digital signal decoding is the MPEG2 program flow, and it is recorded in disk apparatus in the disc record medium; And be program flow with described MPEG2 program flow grade transformation, the perhaps stream grade conversion equipment that is transmitting data stream with described MPEG2 program flow grade transformation.
Effect of the present invention:
With top said identical, according to data recording and the playing device in the synthetic image machine of the present invention, in the synthetic image machine of D-VHS videocassette recorder and disc record device one formation, keep interchangeability between the MPEG2 data stream of different form, between video audiotape and disc, can carry out effectively and identical various record and play operation such as linkage record operation and analog signal record operation, by simulating signal being transformed to the analog or digital signal, or MPEG2 transmitting data stream (TS) is changed to MPEG2 program flow processes such as (PS), can the input signal of variform be write down and play, HD level and SD level, and analog image can write down and play.When recording capacity is not enough, can carry out linkage record between the recording medium, and carry out record between can be for a long time, the data that are recorded in the data on the disc and are recorded on the D-VHS audiotape are carried out record by former image each other, and can prevent the thermalization of data, also can edit the image and the information of necessity.
For further specifying above-mentioned purpose of the present invention, design feature and effect, the present invention is described in detail below with reference to accompanying drawing.
(4) description of drawings
Fig. 1 is the formation schematic diagram according to synthetic image machine of the present invention;
Fig. 2 is the organigram of D-VRS video audiotape;
Fig. 3 is the organigram of the CD of re-recordable;
Fig. 4 is the detailed formation synoptic diagram according to the workflow of data recording in the synthetic image machine of the present invention and playing device;
Fig. 5 is the inter-process block structured synoptic diagram to each treating apparatus of Fig. 4;
What Fig. 6 represented is the internal structure of the scrambler among Fig. 5;
Fig. 7 is the demoder internal structure synoptic diagram among Fig. 5;
Fig. 8 is formatted program and the in-built synoptic diagram of unformatted program among Fig. 5.
The symbol description of major part in the accompanying drawing:
10: audiotape device 11:D-VHS record/Play System
12: conversion equipment 13: optical disc apparatus
14: video disc recording/Play System 15: microcomputer
16: storer 17: stream grade conversion equipment
(5) embodiment
Below, to according to the data recording in the synthetic image machine of the present invention and the embodiment of playing device, be described in detail with reference to the accompanying drawings.
Fig. 1 is the formation skeleton diagram according to synthetic image machine of the present invention, above in the said synthetic image machine its formation comprise: audiotape device 10 (recording medium is audiotape), D-VHS record/Play System 11, conversion equipment (SW) 12, disc (disc) (present embodiment is a CD) device 13 (recording medium is disc), disc (present embodiment is a CD) record/Play System 14, microcomputer 15, storer 16, and stream grade transformation device 17.
On the other hand, in the synthetic image machine identical with top formation, selection according to the user, the analog tv signal of outside input is recorded as simulating signal in VHS video audiotape, perhaps carry out the A/D conversion, after being encoded to MPEG2 transmitting data stream (TS) form, can be recorded as digital data stream in the D-VHS video audiotape, perhaps, be encoded to MPEG2 program flow (PS) form, in the identical CD of the DVD-RW that can write down again, can be recorded as digital data stream.
Perhaps, in the superincumbent synthetic image machine, selection according to the user, the digital TV signal encoding of outside input is MPEG2 transmitting data stream (TS), be recorded as digital data stream in the D-VHS video audiotape, or be encoded to MPEG2 program flow (PS) form, in CD, can be recorded as digital data stream.
Simultaneously, in the said in the above synthetic image machine, behind the MPEG2 PS format digital that in reading CD, the writes down stream, surface current grade conversion equipment 17 in utilizations, be transformed to the digital stream of MPEG2 TS form after, write down in the D-VHS video audiotape; Perhaps, behind the digital stream of the MPEG2 TS form that writes down in reading D-VHS video audiotape, the stream grade conversion equipment 17 above utilizing can be recorded in it in CD after being transformed to MPEG2PS stream.
On the other hand, Fig. 2 is the organigram of D-VHS video audiotape.Under the situation of analog signal record, the top record audio of general VHS video audiotape, below record controls signal (CTL), partial record master video in the centre; Digital data record is when the situation of D-VHS video audiotape; identical as shown in Figure 2; in video track; be recorded in the part district with similar sub-code data such as program header, timing code; for protecting top said sub-code data and main video data, be assigned as the 1st to the 3rd jogging (Amble) district
Simultaneously, D-VHS video audiotape, or VHS video audiotape also can write down form same as described above, adapt with playing clock with the variable system record,, can carry out whole records as regulating main video data, for example, during the situation of D-VHS video audiotape, the system log (SYSLOG) clock is that 19MHZ uses, and uses 14MHZ in the VHS video audiotape.
Perhaps, when the situation of D-VHS video audiotape, be not only HS level data stream, also can carry out the record of SD level data stream, ratio according to inlet flow can carry out record with logging mode LS2, LS3, LS5, LS7 for a long time, for example, be that standard is set the LS7 pattern with the video audiotape of 120 minutes recording capacities, can reach 28 hours record.
Thus, utilize under the situation of magnetic disk recorder with some program of video disc recording, when the situation of video disc recording off-capacity takes place when, after the logging mode of selection D-VHS video audiotape is appropriate mode, the linkage record operation can be carried out automatically, in HD level logging mode HS pattern and SD level logging mode DS pattern, be that unit carries out recording processing with the magnetic track; In the LS pattern, in the same magnetic track according to the number of times of recording played and difference.
On the other hand, Fig. 3 is the DVD organigram to writing down again.Write down under the situation of possible DVD in the above again, be divided into R-information (Information) district and information (information) district, above said R-information (Information) district divide into capability correction district PCA (PowerCalibration Area) again and recordng management area RMA (Recording Management Area) distinguishes, above said PCA be when record data for laser power being decided to be the district that optimum value is distributed, the top RMA that carries then writes down pattern, beginning/finishing time information of write signal etc.
Meanwhile, the trivial branch of said information (Information) is assigned as Lead-In Area, data recorded area, leading-out zone, and the beginning of Notification Record data and deadline in said Lead-In Area and the leading-out zone, data recorded area and record data stream above.
In addition, Fig. 4 is the detailed pie graph according to the workflow of data recording in the synthetic image machine of the present invention and playing device.Below be that benchmark is described in detail with the drawing symbol.At first 200 what show is video disc recording pattern, simulation VHS logging mode, the flow process and the selection of signal during digital VHS logging mode, and 300 what show is that each plays relevant signal processing.
On the other hand, the selection of each signal is the key input according to the user, in microcomputer, select, in digital TV, also can export simulating signal, but it is with analog record or digital recording that the A/V signal of exporting in analog TV is selected in 201, if the selection analog record, selecting in 206 is to bring record with VHS audiotape record or with the D-VHS recording, and is recorded in the belt.The process of this selection can be selected automatically according to the cognitive hole (Hole) of audiotape.
Simultaneously, under the situation about writing down with simulating signal, recorde audio signal in the audio track of audiotape, at the center section recorded video signal, if the below record controls signal of audiotape is when writing down the situation of simulating signal by the disc record device, at 201 signals of selecting, with 202 in the signal play among the VHS of simulation select once more, above being recorded among the simulation VHS of play signal among the simulation VHS that carried by the disc record device, promptly duplicate by VDR.
In addition, selecting in 201 is to bring record with the VHS recording, then, enters 220.
On the other hand, the signal of selecting in 202 and is play in 203D-VHS once more and should be selected once more through the signal of 340 stream grade conversion equipment.In this case, duplicate VDR among the D-VHS, the signal of 202 inputs 203 is a simulating signal, and another is a digital signal.
In addition, in 210, it or not the situation of the play signal of record D-VHS, but during the situation of D-VHS record, the data stream of MPEG2TS form is about to transmit packets of information TP (Transport Packet) level signal to 205 outputs, in 210, the signal of coding input in 203, and be recorded in the disc.
On the other hand, the stream of exporting among the digital TV is selected in 204 with the VDR play signal through 340 stream grade conversion equipment, and the signal record of selecting above also is the process of being duplicated to D-VHS by VDR when the situation of D-VHS.
If the play signal of D-VHS or VDR play signal are supported TS and PS level signal fully, though there is not again necessity through overcurrent grade conversion equipment, if but not at that rate, the inlet flow grade should be in full accord, in 205, select the signal of output in 204 signals of selecting and 210.
In addition, the signal of selecting in 205 carries out record in 230 D-VHS record processing unit, at this moment should determine whether to use the VHS audiotape or use the D-VHS audiotape, also can select automatically according to the cognitive hole of audiotape (hole), above audiotape decision systems recording clock by which undertaken.
On the other hand, if the explanation in addition detailed to playing process at first determines to play D-VHS and still simulate VHS and play in 301, through 310 and 320, export TV respectively to, VDR plays and passes through 330 and export to TV in addition.
Fig. 5 is the inter-process block structured synoptic diagram to each treating apparatus of Fig. 4.Fig. 5 211 and 212 in input analog video and after sound signal carries out suitable processing, through the control device (DR_SC) of 214 cataloged procedures according to 215 disc record systems (DR_SC), be recorded to disc through 216 after being stored in impact damper temporarily, and through 213 storages, after perhaps the TS/PS conversion equipment of D-VHS signal foundation 341 carries out the grade conversion, the input coding device carries out remaining process same as described above.
In addition, same as described above, the A/V signal of record relies on 331 disc Play System controllers (DP_SC) through 216 demoders that pass after being stored in impact damper to 332 temporarily when playing, and exports TV to through decode procedure, and through 333 storages.During the D-VHS record, the play signal of VDR is imported through 342 PS/TS conversion equipment in 331 the input TP treating apparatus, perhaps from digital TV input, input TP through 231 handles, be stored in the impact damper through 235 temporarily, and the data of top interim storage through 236 storages, export 233 record channel interface through 232 D-VHS format procedure to.
On the other hand, above after the multiple processing of input data of said belt finishes, carry out the belt record through 234 record AMP, simulate AMP through 222 during the data playback on Ji Lu the belt like this and carry out 221 simulation VHS processing; Or through 311 broadcast AMP and 312 balanced devices (EQ), input to 313 broadcasting channel interface, its data are through 314 unformatted (De Formatter) process, in 235, be stored in impact damper temporarily after, show to digital TV output according to 315 output TP treating apparatus.
Simultaneously, 400 by the title of programs stored or the information-storing device of temporal information, information in the record subcode area during broadcast of programs stored information (PGI) or D-VRS when VDR plays, among the VDR during situation of the signal record of D-VHS, the subcode information of playback record, together recorded program information in 400, on the contrary, among the D-VHS during situation of the signal record of VDR, sense information data in 400, and record subcode area.
In addition, when the situation of record information in addition, rely on microcomputer can obtain information, what Fig. 6 represented is the internal structure of 214 scramblers among Fig. 5, its formation comprises: carry out video encoder 2141 and Doby (dolby) numeral that the MPEG2 image symbolization is handled, carry out the audio coder 2142 that the 2 audio sound symbolism of MPEG1 level are handled, the memory interface 2145 of control store, the microcomputer interface 2144 of the control signal that the reception external host sends and the state of announcement, and the A/V controller 2143 of control audio and video output.
Fig. 7 is the 332 demoder internal structure synoptic diagram of Fig. 5.Comprise: stream interface and routine analyzer receive the parser 3321 of inlet flow, flow by analysis, separate A/V, extract time mark (stamp) information, microcomputer interface 3322 receives the control that main frame sends, and the state of announcement, memory interface 3323 is controlled and provided to A/V interface 3325 for the needed storer of decoding processing, A/V interface decoder 3324 is handled MPEG1, MPEG2 video decode and MPEG1, MPEG2 layer (Layer) 2 and AC3, linear impulsive coded modulation (linear PCM) etc.
On the other hand, Fig. 8 is the 232D-VHS formatted program of Fig. 5 and 314 the in-built synoptic diagram of unformatted program.Its formation comprises: smoothing buffer device 2325; Carry out stream interface and level and smooth (smooth) buffer controller 2321 of the interim storage of inlet flow input, output and stream; External ECC and controller 2322 thereof; Built-in ECC and controller 2324 thereof; Meet the D-VHS form and carry out data processing, in subcode area, insert the format conversion and the subcode treating apparatus 2323 of information; 2326 of the intersection of data and non-cross processing and memory interface processing; Channel interface 2328; The record that sends from main frame and the microcomputer interface 2327 of broadcast information.
Those of ordinary skill in the art will be appreciated that, above embodiment is used for illustrating the present invention, and be not to be used as limitation of the invention, as long as in connotation scope of the present invention, all will drop in the scope of claims of the present invention variation, the modification of the above embodiment.
Claims (6)
1, digital recording and the playing device in a kind of synthetic image machine is characterized in that comprising:
In audiotape recording medium, or is the MPEG2 transmitting data stream with digital signal encoding with analog signal record, and it is recorded in audiotape device in the audiotape recording medium;
With digital signal decoding is the MPEG2 program flow, and it is recorded in disk apparatus in the disc record medium;
And be program flow with described MPEG2 program flow grade transformation, the perhaps stream grade conversion equipment that is transmitting data stream with described MPEG2 program flow grade transformation.
2, digital recording and the playing device in the synthetic image machine as claimed in claim 1 is characterized in that:
Described stream grade conversion equipment with the data of the audiotape recording medium of described audiotape device, when carrying out the situation of duplicated record in the disc record medium of described disk apparatus, is a program flow with MPEG2 transport stream grade transformation.
3, digital recording and the playing device in the synthetic image machine as claimed in claim 1 is characterized in that:
Described stream grade conversion equipment is the data that write down in the disc record medium with described disk apparatus, when carrying out the situation of duplicated record in the audiotape recording medium of described audiotape device, the MPEG2 program flow is converted to transmitting data stream.
4, digital recording and the playing device in the synthetic image machine as claimed in claim 1 is characterized in that:
Described audiotape device is the D-VHS videocassette recorder, and described disk apparatus then is the disc video recorder.
5, digital recording and the playing device in the synthetic image machine as claimed in claim 1 is characterized in that:
Described audiotape device is recorded as simulating signal with external input signal according to user's selection in the VHS audiotape, perhaps in the D-VHS audiotape with digital recording.
6, digital recording and the playing device in the synthetic image machine as claimed in claim 1 is characterized in that:
Described audiotape device, according to user's selection, when the disc record off-capacity of described disk apparatus, linkage record that can external input signal is continuous is in audiotape recording medium.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410053533 CN1731520A (en) | 2004-08-06 | 2004-08-06 | Data recording and playing arrangement in composite video set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410053533 CN1731520A (en) | 2004-08-06 | 2004-08-06 | Data recording and playing arrangement in composite video set |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1731520A true CN1731520A (en) | 2006-02-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200410053533 Pending CN1731520A (en) | 2004-08-06 | 2004-08-06 | Data recording and playing arrangement in composite video set |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1731520A (en) |
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2004
- 2004-08-06 CN CN 200410053533 patent/CN1731520A/en active Pending
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