CN2615818Y - DVD video disc and reproducing apparatus - Google Patents
DVD video disc and reproducing apparatus Download PDFInfo
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- CN2615818Y CN2615818Y CN 03244770 CN03244770U CN2615818Y CN 2615818 Y CN2615818 Y CN 2615818Y CN 03244770 CN03244770 CN 03244770 CN 03244770 U CN03244770 U CN 03244770U CN 2615818 Y CN2615818 Y CN 2615818Y
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Abstract
The utility model provides a DVD (digital versatile disc) and its player, wherein the digital versatile disc contains audio and video data files in MPEG (Moving Picture Experts Group) program stream format, an identification document. the name of the identification document is used to identify physical DVD disc with storage of MPEG program stream audio and video data files. The utility model is able to storage super-scale audio and video data in a standard DVD disc, making a standard DVD disc become a super-capacity DVD video disc. And the DVD video disc player comprises a central processing unit, a DVD optical reader, MPEG decoding devices, audio and video digital to analog conversion devices, storage devices, signal output devices and a navigation module. the DVD disc reader is characterized in that capable of playing the super-capacity DVD video disc, thereby significantly prolonging the playback time of the audio and video data in a standard DVD disc and reducing the costs of manufacturing and production for the long-time video programs.
Description
Technical field
The utility model relates to the storage and the play-back technology of DVD video disc, is a kind of DVD video disc and playing device concretely.
Background technology
At present, be tending towards ripe gradually based on the DVD player of dvd pickup pick-up and MPEG1/2 demoder and DVD platform technology, yet DVD disc of the prior art still exists some shortcomings, its concrete manifestation is:
One, the DVD-VIDEO disc adopts the MPEG-2 coding techniques at present, generally only can store on the DVD of a single-surface single-layer and can play 135 minutes audio, video data; For such as long-time audio/video programs such as educational programme, TV series, Kara OK songs, just must it can be stored by many DVD discs like this.This has just increased the DVD dish makes, produces and the cost of circulation, and to the use of DVD dish, carry, keeping brings inconvenience;
Two, along with the popularizing of VCD machine and DVD player, the VCD program of having issued on the market is innumerable, yet these VCD program source are transferred to that capacity is bigger, cost is lower DVD disc gets on but is a thing that is difficult to accomplish to desire.This obviously is the waste to VCD program resource, has also limited the diversity of DVD program making simultaneously.
The utility model content
The purpose of this utility model is, a kind of DVD video disc and playing device are provided.Wherein: a kind of DVD video disc, can on a standard DVD video disc, store the audio, video data of super scale, make the DVD video disc of standard become vast capacity DVD video disc; Described DVD video disc play device then is the device that above-mentioned vast capacity DVD video disc can be play.Thereby make the reproduction time of the audio, video data on a standard DVD video disc, stored prolong greatly, and reduced the making and the production cost of long video frequency program; It also can make the existing VCD program source of having issued in the market transfer to easily on the DVD disc carrier, and does not need the special-purpose software of making, thereby has reduced DVD program making cost, the source of also having enriched the DVD program simultaneously.DVD video disc data replay apparatus wherein also can be play common DVD video disc.
Novel this case of technical application of the present utility model is:
A kind of DVD video disc, comprise: DVD physics disc, it is characterized in that: store on the described DVD physics disc: the audio, video data file of mpeg program stream format, an identification document, the filename of described identification document have been stored the DVD physics disc of mpeg program stream format audio, video data file in order to identification; Its storage organization is:
Store in the root directory: the identification document, the subdirectory name file that are made as boil down to MPEG audio-video document after the image file by the header file of information boil down to MPEG audio-video document, by identification information and root directory menu information;
Store in the sub-directory: by the sub-directory Information Compression be the sub-directory message file of MPEG audio-video document, by the program file of the audio-video document of programme content audio, video data boil down to mpeg program stream format; Wherein:
Described root directory menu information and described sub-directory information have corresponding relation; Described sub-directory information and described programme content have corresponding relation.
The audio, video data file of described mpeg program stream format is meant: the audio, video data file of MPEG1 and/or MPEG2 and/or MPEG4 program stream format.
Described root directory menu information is meant: first order contents of menus;
Described identification information is meant: the DVD physics disc of having stored mpeg program stream format audio, video data file is carried out recognition data information;
Described identification document has a filename of determining, this document name is made up of important name and extension name.
The file of determining of described identification document is by name: MV_GATE.SCR.
Described information can comprise: information such as copyright statement, user's points for attention; Described header file has a filename of determining, this document name is made up of important name and extension name.
The file of determining of described header file is by name: LOGO.SCR.
Described sub-directory information comprises: subordinate's contents of menus; Described sub-directory message file has a filename of determining, this document name is made up of important name and extension name.
The file of determining of described sub-directory message file is by name: SCREEN.SCR.
Described program file comprises: program file important name and program file extension name; And the audio-video document of described mpeg program stream format is meant: MPEG1 audio-video document, and/or MPEG2 audio-video document, and/or MPEG4 audio-video document.
Described program file important name is xxxx, described program file expansion YGn by name, and here: the span of x is 0 to 9 integer, and the n span is 1,2,4;
Wherein: YG1 represents that audio-video document is to adopt MPEG1 program stream format standard compression; YG2 represents that audio-video document is to adopt MPEG2 program stream format standard compression; YG4 represents that audio-video document is to adopt MPEG4 program stream format standard compression.
The audio, video data file of described mpeg program stream format is meant: the audio, video data file of MPEG1 program stream format; Wherein, the file that is stored in root directory comprises:
Include the root directory menu information of first order menu content and include the identification document that can carry out the identification information of recognition data information to the DVD physics disc of having stored MPEG1 program stream format audio, video data file, this identification document is by name: MV_GATE.SCR;
The header file that includes informations such as copyright statement, user's points for attention content, the file of this header file is by name: LOGO.SCR;
Subdirectory name xxxx file;
The file that is stored in sub-directory comprises:
The sub-directory message file that includes the sub-directory information of subordinate's menu content, the file of this sub-directory message file is by name: SCREEN.SCR;
The program file that includes programme content, the file of this program file is by name: xxxx.YG1;
First order contents of menus is corresponding with subdirectory name xxxx in the root directory; Subordinate's menu content is corresponding with program file xxxx.YG1 in the sub-directory; Include a plurality of sub-directories in the root directory; Include a plurality of programs in the sub-directory;
Here: the span of x is 0 to 9 integer.
Described DVD physics disc is meant: DVD-ROM, DVD-R, DVD-RW, DVD+RW.
The utility model also provides a kind of playing device of DVD video disc, comprise: CPU (central processing unit) is characterized in that comprising: dvd pickup reading device, mpeg decode device, audio frequency and video digiverter, memory storage, signal output apparatus and navigation module;
Described dvd pickup reading device, mpeg decode device, audio frequency and video digiverter, memory storage, signal output apparatus connect with described CPU (central processing unit) respectively, and are controlled by described CPU (central processing unit); Described navigation module is stored in the described memory storage;
Described CPU (central processing unit) is controlled according to described navigation module working procedure, wherein:
It is the DVD CD that the described dvd pickup reading device of described central processing unit controls is judged disc;
The described dvd pickup reading device of described central processing unit controls reads described identification document, judges whether the identification document name is the identification document name of determining, if then:
The described dvd pickup reading device of described central processing unit controls reads header file, and data are sent into described mpeg decode device decode, decoded data are sent into described audio frequency and video digiverter change, the data after the conversion are exported through described signal output apparatus.
Described CPU (central processing unit) is controlled according to described navigation module working procedure, comprising:
It is the DVD CD that the described dvd pickup reading device of described central processing unit controls is judged disc;
The described dvd pickup reading device of described central processing unit controls reads described identification document, judges whether the identification document name is the identification document name of determining, if then:
The described dvd pickup reading device of described central processing unit controls reads header file, and data are sent into described mpeg decode device decode, decoded data are sent into described audio frequency and video digiverter change, the data after the conversion are exported through described signal output apparatus;
The described dvd pickup reading device of described central processing unit controls reads described identification document, and root directory menu information data are sent into described mpeg decode module decode, decoded data are sent into described audio frequency and video digiverter change, the data after the conversion are exported through described signal output apparatus; The content of output comprises: first order menu content, and prompting is to the selection information of sub-directory or program file; Sometimes can in first order menu, directly select program file and need not sub-directory;
Described CPU (central processing unit) seeks whether have corresponding sub-directory or program file after receiving the instruction that sub-directory or program file are selected under the current root catalogue, if do not find then export " invalid selection " information; If find then:
The described dvd pickup reading device of described central processing unit controls reads the sub-directory message file under the described sub-directory, and sub-directory message file data are sent into described mpeg decode module decode, decoded data are sent into described audio frequency and video digiverter change, the data after the conversion are exported through described signal output apparatus; The content of output comprises: subordinate's menu content, and prompting is to the selection information of program;
After described CPU (central processing unit) receives the instruction that program is selected, under current sub-directory, seek whether there is corresponding program file,, then export " invalid selection " information if do not search out corresponding program file; If find then:
The described dvd pickup reading device of described central processing unit controls reads described program file, and the program file data are sent into described mpeg decode device decode, decoded data are sent into described audio frequency and video digiverter change, the data after the conversion are exported through described signal output apparatus.
Described CPU (central processing unit) is controlled according to described navigation module working procedure, further comprises:
It is the DVD CD that the described dvd pickup reading device of described central processing unit controls is judged disc;
The described dvd pickup reading device of described central processing unit controls reads described identification document, judges whether the identification document name is the identification document name MV_GATE.SCR that determines, if then:
The described dvd pickup reading device of described central processing unit controls reads header file LOGO.SCR, and data are sent into described mpeg decode device decode, decoded data are sent into described audio frequency and video digiverter change, the data after the conversion are exported through described signal output apparatus;
The described dvd pickup reading device of described central processing unit controls reads described identification document MV_GATE.SCR, and root directory menu information data are sent into described mpeg decode module decode, decoded data are sent into described audio frequency and video digiverter change, the data after the conversion are exported through described signal output apparatus; The content of output comprises: first order menu content, and prompting is to the selection information of sub-directory or program file;
Described CPU (central processing unit) seeks whether have corresponding sub-directory xxxx or program file xxxx.YGn after receiving the instruction that sub-directory or program file are selected under the current root catalogue, if do not find then export " invalid selection " information; If find then:
The described dvd pickup reading device of described central processing unit controls reads the sub-directory message file SCREEN.SCR under the described sub-directory, and sub-directory message file SCREEN.SCR data are sent into described mpeg decode module decode, decoded data are sent into described audio frequency and video digiverter change, the data after the conversion are exported through described signal output apparatus; The content of output comprises: subordinate's menu content, and prompting is to the selection information of program;
After described CPU (central processing unit) receives the instruction that program is selected, under current sub-directory, seek whether there is corresponding program file xxxx.YGn,, then export " invalid selection " information if do not search out corresponding program file; If find then:
The described dvd pickup reading device of described central processing unit controls reads described program file xxxx.YGn, and program file xxxx.YGn data are sent into described mpeg decode device decode, decoded data are sent into described audio frequency and video digiverter change, the data after the conversion are exported through described signal output apparatus.
Described mpeg decode device is MPEG1 and/or MPEG 2 and/or MPEG 4 decoding devices.
Described mpeg decode device is the MPEG1 decoding device, and described program file name xxxx.YGn is xxxx.YG1.
Device described in the utility model also comprises: input media; Described input media connects with described CPU (central processing unit); To accept selection information.
Described input media comprises: keyboard and/or be loaded with the telechiric device of keyboard.
Also comprise: human-computer interaction device and supply unit; Wherein:
Described human-computer interaction device, supply unit connect with described CPU (central processing unit) respectively, and are controlled by described CPU (central processing unit).
Described memory storage comprises: dynamic storage and program storage; Described navigation module places described program storage.
Device described in the utility model also comprises: display device; Wherein:
Described display device is connected connection with described signal output apparatus, so that described output signal is shown.
Device described in the utility model also comprises: casing.
By a kind of DVD video disc and playing device are provided, realized following utility model effect.Wherein: the enough audio, video datas of storing super scale on a standard DVD video disc of a kind of DVD video disc make the DVD video disc of standard become vast capacity DVD video disc; Described DVD video disc play device then is the device that above-mentioned vast capacity DVD video disc can be play.Thereby make the reproduction time of the audio, video data on a standard DVD video disc, stored prolong greatly, and reduced the making and the production cost of long video frequency program; It also can make the existing VCD program source of having issued in the market transfer to easily on the DVD disc carrier, and does not need the special-purpose software of making, thereby has reduced DVD program making cost, the source of also having enriched the DVD program simultaneously.DVD video disc data replay apparatus wherein also can be play common DVD video disc.
Description of drawings
Fig. 1 is the utility model DVD video disc file layout figure;
Fig. 2 is the structured flowchart of the utility model device.
Embodiment
Below in conjunction with description of drawings embodiment of the present utility model:
Explanation of nouns:
Audio, video data: refer to that voice data and video data are blended in the data file, and by when playing, keeping the synchronous of sound signal and vision signal someway.
DVD disc: refer to meet the discs of in the DVD of DVD Forum BOOK, stipulating; DVD has four kinds from physical specification, DVD-5 (single-surface single-layer), DVD-9 (single-surface double-layer), DVD-10 (two-sided individual layer), DVD-18 (two-sided bilayer); On purposes, be divided into DVD VIDEO again, DVD-AUDIO, DVD-ROM.
The concrete technical descriptioon of implementing:
A kind of DVD CD of specific format, that is: adopting DVD physics disc, employing UDF/IS09660 file system, file is the audio, video data file of MPEG1/2 program stream format.
A kind of DVD video disc embodiment: (as Fig. 1)
A kind of DVD video disc, comprise: DVD physics disc, it is characterized in that: store on the described DVD physics disc: the audio, video data file of mpeg program stream format, an identification document, the filename of described identification document have been stored the DVD physics disc of mpeg program stream format audio, video data file in order to identification; Its storage organization is:
Store in the root directory: the identification document, the subdirectory name file that are made as boil down to MPEG audio-video document after the image file by the header file of information boil down to MPEG audio-video document, by identification information and root directory menu information;
Store in the sub-directory: by the sub-directory Information Compression be the sub-directory message file of MPEG audio-video document, by the program file of the audio-video document of programme content audio, video data boil down to mpeg program stream format; Wherein:
Described root directory menu information and described sub-directory information have corresponding relation; Described sub-directory information and described programme content have corresponding relation.
The audio, video data file of described mpeg program stream format is meant: the audio, video data file of MPEG1 and/or MPEG2 and/or MPEG4 program stream format.
Described root directory menu information is meant: first order contents of menus;
Described identification information is meant: the DVD physics disc of having stored mpeg program stream format audio, video data file is carried out recognition data information;
Described identification document has a filename of determining, this document name is made up of important name and extension name.
The file of determining of described identification document is by name: MV_GATE.SCR.
Described information can comprise: information such as copyright statement, user's points for attention; Described header file has a filename of determining, this document name is made up of important name and extension name.
The file of determining of described header file is by name: LOGO.SCR.
Described sub-directory information comprises: subordinate's contents of menus; Described sub-directory message file has a filename of determining, this document name is made up of important name and extension name.
The file of determining of described sub-directory message file is by name: SCREEN.SCR.
Described program file comprises: program file important name and program file extension name; And the audio-video document of described mpeg program stream format is meant: MPEG1 audio-video document, and/or MPEG2 audio-video document, and/or MPEG4 audio-video document.
Described program file important name is xxxx, described program file expansion YGn by name, and here: the span of x is 0 to 9 integer, and the n span is 1,2,4;
Wherein: YG1 represents that audio-video document is to adopt MPEG1 program stream format standard compression; YG2 represents that audio-video document is to adopt MPEG2 program stream format standard compression; YG4 represents that audio-video document is to adopt MPEG4 program stream format standard compression.
The audio, video data file of described mpeg program stream format is meant: the audio, video data file of MPEG1 program stream format; Wherein, the file that is stored in root directory comprises:
Include the root directory menu information of first order menu content and include the identification document that can carry out the identification information of recognition data information to the DVD physics disc of having stored MPEG1 program stream format audio, video data file, this identification document is by name: MV_GATE.SCR;
The header file that includes informations such as copyright statement, user's points for attention content, the file of this header file is by name: LOGO.SCR;
Subdirectory name xxxx file;
The file that is stored in sub-directory comprises:
The sub-directory message file that includes the sub-directory information of subordinate's menu content, the file of this sub-directory message file is by name: SCREEN.SCR;
The program file that includes programme content, the file of this program file is by name: xxxx.YG1;
First order contents of menus is corresponding with subdirectory name xxxx in the root directory; Subordinate's menu content is corresponding with program file xxxx.YG1 in the sub-directory; Include a plurality of sub-directories in the root directory; Include a plurality of programs in the sub-directory;
Here: the span of x is 0 to 9 integer.
Described DVD physics disc is meant: DVD-ROM, DVD-R, DVD-RW, DVD+RW.
The embodiment of relevant video disc form: (as Fig. 1)
LOGO.SCR：
Playing device is at first play this document, and this document is the MPEG audio-video document, infinite in length system, and the purposes of file is: the copyright statement in the display video dish, user's points for attention or the like;
MV_GATE.SCR：
The identification document of large-capacity video dish and root directory menu file; Whether whether playing device be the large-capacity video dish by existing this document to discern this CD on the CD; After playing LOGO.SCR, playing device is play this file automatically, and this file is a MPEG video still frame, and length is a frame; Purposes is: demonstrate first order menu, the content that the prompting different digital is selected;
SCREEN.SCR：
The sub-directory menu file; Use after numerical key selects to enter sub-directory the user, playing device is play this file that is positioned under this sub-directory automatically, and this file is a MPEG video still frame, and length is a frame; Purposes is: demonstrate subordinate's menu, the content that the prompting different digital is selected;
00XX.YG1：
The video content file; After the user uses numerical key to select this document, (XX is numeral), playing device is play this document, and this document is the MPEG audio-video document, and length is not limit, and purposes is: video content;
Extension name:
YG1 represents that audio-video document is to adopt the MPEG1 standard compression;
YG2 represents that audio-video document is to adopt the MPEG2 standard compression;
YG4 represents that audio-video document is to adopt the mpeg 4 standard compression;
Before making disc, earlier according to disc script definition disc bibliographic structure;
With copyright statement with inform user video information and be compressed to the MPEG audio-video document, file is by name: LOGO.SCR;
The one-level menu is a root menu, and the menu file of one-level menu correspondence is MV_GATE.SCR, and this expression is made as one-level menu (literal and picture) after the image file, boil down to MPEG video file, called after MV_GATE.SCR;
The one-level menu is made of some options, and each options can be a concrete content, also can be the next stage menu, the corresponding relation of this options should with the information correspondence that shows among the one-level menu file MV_GATE.SCR;
If the options correspondence is concrete video content, this video content boil down to MPEG1 video file then, called after 00**.YG1, or 00**.YG2 (MPEG2), 00**.YG4 (MPEG4);
If the options correspondence is the next stage menu, then the corresponding contents in the next stage menu (menu file, content file or the like) all is placed in the sub-directory, and subdirectory name is: 00**
Subordinate's menu is a submenu, and the menu file of submenu correspondence is SCREEN.SCR
Subordinate's menu is made of some options, and each options can be a concrete content, also can be the next stage menu, the corresponding relation of this options should with the information correspondence that shows among the menu file SCREEN.SCR at the same level;
If the options correspondence is concrete video content, this video content boil down to MPEG1 video file then, called after 00**.YG1, or 00**.YG2 (MPEG2), 00**.YG4 (MPEG4);
If the options correspondence is the next stage menu, then the corresponding contents in the next stage menu (menu file, content file or the like) all is placed in the sub-directory, and subdirectory name is: 00**.
File structure of the present utility model is: can comprise sub-directory in root directory, comprise program file in the sub-directory; A kind of special case is: root directory can directly comprise program file, and need not sub-directory and directly select program this moment.In following embodiment, be example with the situation that comprises sub-directory.
As shown in Figure 2, (is example with the situation that comprises sub-directory) the utility model also provides a kind of playing device of DVD video disc, comprise: CPU (central processing unit) is characterized in that comprising: dvd pickup reading device, mpeg decode device, audio frequency and video digiverter, memory storage, signal output apparatus and navigation module;
Described dvd pickup reading device, mpeg decode device, audio frequency and video digiverter, memory storage, signal output apparatus connect with described CPU (central processing unit) respectively, and are controlled by described CPU (central processing unit); Described navigation module is stored in the described memory storage;
Described CPU (central processing unit) is controlled according to described navigation module working procedure, wherein:
It is the DVD CD that the described dvd pickup reading device of described central processing unit controls is judged disc;
The described dvd pickup reading device of described central processing unit controls reads described identification document, judges whether the identification document name is the identification document name of determining, if then:
The described dvd pickup reading device of described central processing unit controls reads header file, and data are sent into described mpeg decode device decode, decoded data are sent into described audio frequency and video digiverter change, the data after the conversion are exported through described signal output apparatus.
Described CPU (central processing unit) is controlled according to described navigation module working procedure, comprising:
It is the DVD CD that the described dvd pickup reading device of described central processing unit controls is judged disc;
The described dvd pickup reading device of described central processing unit controls reads described identification document, judges whether the identification document name is the identification document name of determining, if then:
The described dvd pickup reading device of described central processing unit controls reads header file, and data are sent into described mpeg decode device decode, decoded data are sent into described audio frequency and video digiverter change, the data after the conversion are exported through described signal output apparatus;
The described dvd pickup reading device of described central processing unit controls reads described identification document, and root directory menu information data are sent into described mpeg decode module decode, decoded data are sent into described audio frequency and video digiverter change, the data after the conversion are exported through described signal output apparatus; The content of output comprises: first order menu content, and prompting is to the selection information of sub-directory;
After described CPU (central processing unit) receives the instruction that sub-directory is selected, under the current root catalogue, seek whether there is corresponding sub-directory message file, if do not find then export " invalid selection " information; If find then:
The described dvd pickup reading device of described central processing unit controls reads described sub-directory message file, and sub-directory message file data are sent into described mpeg decode module decode, decoded data are sent into described audio frequency and video digiverter change, the data after the conversion are exported through described signal output apparatus; The content of output comprises: subordinate's menu content, and prompting is to the selection information of program;
After described CPU (central processing unit) receives the instruction that program is selected, under current sub-directory, seek whether there is corresponding program file,, then export " invalid selection " information if do not search out corresponding program file; If find then:
The described dvd pickup reading device of described central processing unit controls reads described program file, and the program file data are sent into described mpeg decode device decode, decoded data are sent into described audio frequency and video digiverter change, the data after the conversion are exported through described signal output apparatus.
Described CPU (central processing unit) is controlled according to described navigation module working procedure, further comprises:
It is the DVD CD that the described dvd pickup reading device of described central processing unit controls is judged disc;
The described dvd pickup reading device of described central processing unit controls reads described identification document, judges whether the identification document name is the identification document name MV_GATE.SCR that determines, if then:
The described dvd pickup reading device of described central processing unit controls reads header file LOGO.SCR, and data are sent into described mpeg decode device decode, decoded data are sent into described audio frequency and video digiverter change, the data after the conversion are exported through described signal output apparatus;
The described dvd pickup reading device of described central processing unit controls reads described identification document MV_GATE.SCR, and root directory menu information data are sent into described mpeg decode module decode, decoded data are sent into described audio frequency and video digiverter change, the data after the conversion are exported through described signal output apparatus; The content of output comprises: first order menu content, and prompting is to the selection information of sub-directory;
After described CPU (central processing unit) receives the instruction that sub-directory is selected, under the current root catalogue, seek whether there is corresponding sub-directory xxxx, if do not find would export " invalid selection,, information; If find then:
The described dvd pickup reading device of described central processing unit controls reads the sub-directory message file SCREEN.SCR under the described sub-directory, and sub-directory message file SCREEN.SCR data are sent into described mpeg decode module decode, decoded data are sent into described audio frequency and video digiverter change, the data after the conversion are exported through described signal output apparatus; The content of output comprises: subordinate's menu content, and prompting is to the selection information of program;
After described CPU (central processing unit) receives the instruction that program is selected, under current sub-directory, seek whether there is corresponding program file xxxx.YGn,, then export " invalid selection " information if do not search out corresponding program file; If find then:
The described dvd pickup reading device of described central processing unit controls reads described program file xxxx.YGn, and program file xxxx.YGn data are sent into described mpeg decode device decode, decoded data are sent into described audio frequency and video digiverter change, the data after the conversion are exported through described signal output apparatus.
Described mpeg decode device is MPEG1 and/or MPEG 2 and/or MPEG 4 decoding devices.
Described mpeg decode device is the MPEG1 decoding device, and described program file name xxxx.YGn is xxxx.YG1.
Device described in the utility model also comprises: input media; Described input media connects with described CPU (central processing unit); To accept selection information.
Described input media comprises: keyboard and/or be loaded with the telechiric device of keyboard.
Also comprise: human-computer interaction device and supply unit; Wherein:
Described human-computer interaction device, supply unit connect with described CPU (central processing unit) respectively, and are controlled by described CPU (central processing unit).
Described memory storage comprises: dynamic storage and program storage; Described navigation module places described program storage.
Device described in the utility model also comprises: display device; Wherein:
Described display device is connected connection with described signal output apparatus, so that described output signal is shown.
Device described in the utility model also comprises: casing.
By a kind of DVD video disc and playing device are provided, realized following utility model effect.Wherein: a kind of DVD video disc can be stored the audio, video data of super scale on a standard DVD video disc, make the DVD video disc of standard become vast capacity DVD video disc; Described DVD video disc play device then is method and the device that above-mentioned vast capacity DVD video disc can be play.Thereby make the reproduction time of the audio, video data on a standard DVD video disc, stored prolong greatly, and reduced the making and the production cost of long video frequency program; It also can make the existing VCD program source of having issued in the market transfer to easily on the DVD disc carrier, and does not need the special-purpose software of making, thereby has reduced DVD program making cost, the source of also having enriched the DVD program simultaneously.DVD video disc data replay apparatus wherein also can be play common DVD video disc.
The utility model adopts the directly audio, video data of store M PEG1/2 program stream on the DVD disc, and adopts the standard file system mode to deposit, and has the following advantages:
1) can prolong greatly the reproduction time of the audio, video data of storing at a standard DVD video disc, The longlyest 450 minutes be can reach, thereby making and the production cost of long video frequency program reduced;
The existing VCD program source of 2) having issued in the market can be easy to transfer on the DVD disc carrier;
3) do not need the special-purpose software of making, reduce cost of manufacture.
The above specific embodiment only is used for explanation the utility model, but not is used for limiting the utility model.
Claims (23)
1. DVD video disc, comprise: DVD physics disc, it is characterized in that: store on the described DVD physics disc: the audio, video data file of mpeg program stream format, an identification document, the filename of described identification document have been stored the DVD physics disc of mpeg program stream format audio, video data file in order to identification; Its storage organization is:
Store in the root directory: the identification document, the subdirectory name file that are made as boil down to MPEG audio-video document after the image file by the header file of information boil down to MPEG audio-video document, by identification information and root directory menu information;
Store in the sub-directory: by the sub-directory Information Compression be the sub-directory message file of MPEG audio-video document, by the program file of the audio-video document of programme content audio, video data boil down to mpeg program stream format; Wherein:
Described root directory menu information and described sub-directory information have corresponding relation; Described sub-directory information and described programme content have corresponding relation.
2. DVD video disc according to claim 1 is characterized in that, the audio, video data file of described mpeg program stream format is meant: the audio, video data file of MPEG1 and/or MPEG2 and/or MPEG4 program stream format.
3. DVD video disc according to claim 1 is characterized in that, described root directory menu information is meant: first order contents of menus;
Described identification information is meant: the DVD physics disc of having stored mpeg program stream format audio, video data file is carried out recognition data information;
Described identification document has a filename of determining, this document name is made up of important name and extension name.
4. DVD video disc according to claim 3 is characterized in that, the file of determining of described identification document is by name: MV_GATE.SCR.
5. DVD video disc according to claim 1 is characterized in that: described information can comprise: information such as copyright statement, user's points for attention; Described header file has a filename of determining, this document name is made up of important name and extension name.
6. DVD video disc according to claim 5 is characterized in that: the file of determining of described header file is by name: LOGO.SCR.
7. DVD video disc according to claim 1 is characterized in that, described sub-directory information comprises: subordinate's contents of menus; Described sub-directory message file has a filename of determining, this document name is made up of important name and extension name.
8. DVD video disc according to claim 7 is characterized in that, the file of determining of described sub-directory message file is by name: SCREEN.SCR.
9. DVD video disc according to claim 1 is characterized in that, described program file comprises: program file important name and program file extension name; And the audio-video document of described mpeg program stream format is meant: MPEG1 audio-video document, and/or MPEG2 audio-video document, and/or MPEG4 audio-video document.
10. DVD video disc according to claim 9 is characterized in that, described program file important name is xxxx, described program file expansion YGn by name, and here: the span of x is 0 to 9 integer, and the n span is 1,2,4;
Wherein: YG1 represents that audio-video document is to adopt MPEG1 program stream format standard compression; YG2 represents that audio-video document is to adopt MPEG2 program stream format standard compression; YG4 represents that audio-video document is to adopt MPEG4 program stream format standard compression.
11. DVD video disc according to claim 1 is characterized in that, the audio, video data file of described mpeg program stream format is meant: the audio, video data file of MPEG1 program stream format; Wherein, the file that is stored in root directory comprises:
Include the root directory menu information of first order menu content and include the identification document that can carry out the identification information of recognition data information to the DVD physics disc of having stored MPEG1 program stream format audio, video data file, this identification document is by name: MV_GATE.SCR;
The header file that includes informations such as copyright statement, user's points for attention content, the file of this header file is by name: LOGO.SCR;
Subdirectory name xxxx file;
The file that is stored in sub-directory comprises:
The sub-directory message file that includes the sub-directory information of subordinate's menu content, the file of this sub-directory message file is by name: SCREEN.SCR;
The program file that includes programme content, the file of this program file is by name: xxxx.YG1;
First order contents of menus is corresponding with subdirectory name xxxx in the root directory; Subordinate's menu content is corresponding with program file xxxx.YG1 in the sub-directory; Include a plurality of sub-directories in the root directory; Include a plurality of programs in the sub-directory;
Here: the span of x is 0 to 9 integer.
12. DVD video disc according to claim 1 is characterized in that,
Described DVD physics disc is meant: DVD-ROM, DVD-R, DVD-RW, DVD+RW.
13. the playing device of a DVD video disc comprises: CPU (central processing unit) is characterized in that comprising: dvd pickup reading device, mpeg decode device, audio frequency and video digiverter, memory storage, signal output apparatus and navigation module;
Described dvd pickup reading device, mpeg decode device, audio frequency and video digiverter, memory storage, signal output apparatus connect with described CPU (central processing unit) respectively, and are controlled by described CPU (central processing unit); Described navigation module is stored in the described memory storage;
Described CPU (central processing unit) is controlled according to described navigation module working procedure, wherein:
It is the DVD CD that the described dvd pickup reading device of described central processing unit controls is judged disc;
The described dvd pickup reading device of described central processing unit controls reads described identification document, judges whether the identification document name is the identification document name of determining, if then:
The described dvd pickup reading device of described central processing unit controls reads header file, and data are sent into described mpeg decode device decode, decoded data are sent into described audio frequency and video digiverter change, the data after the conversion are exported through described signal output apparatus.
14. device according to claim 13 is characterized in that, described CPU (central processing unit) is controlled according to described navigation module working procedure, comprising:
It is the DVD CD that the described dvd pickup reading device of described central processing unit controls is judged disc;
The described dvd pickup reading device of described central processing unit controls reads described identification document, judges whether the identification document name is the identification document name of determining, if then:
The described dvd pickup reading device of described central processing unit controls reads header file, and data are sent into described mpeg decode device decode, decoded data are sent into described audio frequency and video digiverter change, the data after the conversion are exported through described signal output apparatus;
The described dvd pickup reading device of described central processing unit controls reads described identification document, and root directory menu information data are sent into described mpeg decode module decode, decoded data are sent into described audio frequency and video digiverter change, the data after the conversion are exported through described signal output apparatus; The content of output comprises: first order menu content, and prompting is to the selection information of sub-directory or program file;
Described CPU (central processing unit) seeks whether have corresponding sub-directory or program file after receiving the instruction that sub-directory or program file are selected under the current root catalogue, if do not find then export " invalid selection " information; If find then:
The described dvd pickup reading device of described central processing unit controls reads the sub-directory message file under the described sub-directory, and sub-directory message file data are sent into described mpeg decode module decode, decoded data are sent into described audio frequency and video digiverter change, the data after the conversion are exported through described signal output apparatus; The content of output comprises: subordinate's menu content, and prompting is to the selection information of program;
After described CPU (central processing unit) receives the instruction that program is selected, under current sub-directory, seek whether there is corresponding program file,, then export " invalid selection " information if do not search out corresponding program file; If find then:
The described dvd pickup reading device of described central processing unit controls reads described program file, and the program file data are sent into described mpeg decode device decode, decoded data are sent into described audio frequency and video digiverter change, the data after the conversion are exported through described signal output apparatus.
15. device according to claim 13 is characterized in that, described CPU (central processing unit) is controlled according to described navigation module working procedure, further comprises:
It is the DVD CD that the described dvd pickup reading device of described central processing unit controls is judged disc;
The described dvd pickup reading device of described central processing unit controls reads described identification document, judges whether the identification document name is the identification document name MV_GATE.SCR that determines, if then:
The described dvd pickup reading device of described central processing unit controls reads header file LOGO.SCR, and data are sent into described mpeg decode device decode, decoded data are sent into described audio frequency and video digiverter change, the data after the conversion are exported through described signal output apparatus;
The described dvd pickup reading device of described central processing unit controls reads described identification document MV_GATE.SCR, and root directory menu information data are sent into described mpeg decode module decode, decoded data are sent into described audio frequency and video digiverter change, the data after the conversion are exported through described signal output apparatus; The content of output comprises: first order menu content, and prompting is to the selection information of sub-directory or program file;
After described CPU (central processing unit) receives the instruction that sub-directory or program file are selected, whether exist corresponding sub-directory xxxx or program file xxxx.YGn not to find then export " invalid selection " information if under the current root catalogue, seek; If find then:
The described dvd pickup reading device of described central processing unit controls reads the sub-directory message file SCREEN.SCR under the described sub-directory, and sub-directory message file SCREEN.SCR data are sent into described mpeg decode module decode, decoded data are sent into described audio frequency and video digiverter change, the data after the conversion are exported through described signal output apparatus; The content of output comprises: subordinate's menu content, and prompting is to the selection information of program;
After described CPU (central processing unit) receives the instruction that program is selected, under current sub-directory, seek whether there is corresponding program file xxxx.YGn,, then export " invalid selection " information if do not search out corresponding program file; If find then:
The described dvd pickup reading device of described central processing unit controls reads described program file xxxx.YGn, and program file xxxx.YGn data are sent into described mpeg decode device decode, decoded data are sent into described audio frequency and video digiverter change, the data after the conversion are exported through described signal output apparatus.
16., it is characterized in that described mpeg decode device is MPEG1 and/or MPEG 2 and/or MPEG 4 decoding devices according to claim 13 or 14 or 15 described devices.
17. device according to claim 15 is characterized in that, described mpeg decode device is the MPEG1 decoding device, and described program file name xxxx.YGn is xxxx.YG1.
18., it is characterized in that also comprising: input media according to claim 13 or 14 or 15 described devices; Described input media connects with described CPU (central processing unit); To accept selection information.
19. device according to claim 18 is characterized in that described input media comprises: keyboard and/or be loaded with the telechiric device of keyboard.
20., it is characterized in that it also comprises: human-computer interaction device and supply unit according to claim 13 or 14 or 15 described devices; Wherein:
Described human-computer interaction device, supply unit connect with described CPU (central processing unit) respectively, and are controlled by described CPU (central processing unit).
21., it is characterized in that described memory storage comprises: dynamic storage and program storage according to claim 13 or 14 or 15 described devices; Described navigation module places described program storage.
22., it is characterized in that it also comprises: display device according to claim 13 or 14 or 15 described devices; Wherein:
Described display device is connected connection with described signal output apparatus, so that described output signal is shown.
23., it is characterized in that it also comprises: casing according to claim 13 or 14 or 15 described devices.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03244770 CN2615818Y (en) | 2003-04-07 | 2003-04-07 | DVD video disc and reproducing apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03244770 CN2615818Y (en) | 2003-04-07 | 2003-04-07 | DVD video disc and reproducing apparatus |
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| Publication Number | Publication Date |
|---|---|
| CN2615818Y true CN2615818Y (en) | 2004-05-12 |
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| CN 03244770 Expired - Fee Related CN2615818Y (en) | 2003-04-07 | 2003-04-07 | DVD video disc and reproducing apparatus |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100388241C (en) * | 2004-11-02 | 2008-05-14 | 佳能株式会社 | Reproducing device and method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100388241C (en) * | 2004-11-02 | 2008-05-14 | 佳能株式会社 | Reproducing device and method |
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