CN1992863A - Apparatus for automatic separating chapter of CD video recorder and method thereof - Google Patents
Apparatus for automatic separating chapter of CD video recorder and method thereof Download PDFInfo
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- CN1992863A CN1992863A CN 200510112443 CN200510112443A CN1992863A CN 1992863 A CN1992863 A CN 1992863A CN 200510112443 CN200510112443 CN 200510112443 CN 200510112443 A CN200510112443 A CN 200510112443A CN 1992863 A CN1992863 A CN 1992863A
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Abstract
The invention relates to a device for automatically separating chapters in disc recorder, wherein when recorder records broadcast program, it will checks the change of video and voice; if there is advertisement inserted in the program, it will automatically separate the chapter at the insert point, and generate relative navigate information relative to the chapters, therefore, user can jump over uninterested part to only play interested part, and it can display the compression image relative to the chapters, the menus with play, delete, and linkage; and user can play, delete or link the chapters.
Description
Technical field
The present invention relates to the Apparatus for () and method therefor of automatic separating chapter of CD video recorder, relate in particular to DVD optical disk recorder optical disk recorders such as (DVD-Recorder), in carrying out the data recording process of broadcast program, detect the state variation of input video and audio frequency, isolate the Apparatus for () and method therefor of the automatic separating chapter of CD video recorder of chapters and sections (Chapter) more effectively automatically.
Background technology
Current, can non-volatile recording and play the optical disk recorder of high image quality video and high tone quality audio frequency, as DVD optical disk recorder (DVD-Recorder) widespread usage to every field.Common DVD optical disk recorder, as shown in Figure 1, show formations such as (OSD) generating unit 20, video efferent 21, audio output part 22 by CPU11, video and audio frequency input part 12, mpeg encoder 13, program chain information (ProgramChain Information is called for short PGCI) generating unit 14, video disc recording portion 15, CD 16, program chain information (PGCI) interpretation portion 17, CD reading part 18, mpeg decoder 19, operating system.
In addition, analog video and the audio signal that is input in the DVD optical disk recorder is transformed into digital video and audio signal by video and audio frequency (A/V) input part 12.Then digital video and audio signal are sent in the mpeg encoder 13, in mpeg encoder 13,, convert the video and the voice data that meet the DVD form to, as AC3 voice data and MPEG2 video data to digital video and coding audio signal.
Then, by video disc recording portion 15 with the audio frequency of coding and video data recording on CD 16, the record position that at this moment will write down on the CD of the audio frequency of coding and video data is sent to program chain information (PGCI) generating unit 14.
Then, in program chain information (PGCI) generating unit 14, if not at CD 16 identifying recording layers, for example the kind of CD is DVD-R, DVD-R, DVD+RW then is created on the navigation information VMGI Table that defines among the DVD Video, if CD is DVD-RAM, then be created on the navigation information RTR_VMGITable that defines among the DVD VR.
If CD is DVD-RW, then use the record format of user's appointment, if write down data in the CD,, upgrade navigation information then with reference to the navigation information that writes down on the CD.Below with reference to embodiment the process that is created on the navigation information RTR_VMGI Table that defines among the DVD VR is described in detail.
In the DVD optical disk recorder, begin to end to the DVD-RAM identifying recording layer from beginning, continuous recording data are managed as a program (Program), above-mentioned program is made of several Video Object Units (VOBU:Video Object Unit).In program chain information (PGCI) generating unit 14, real-time detection is carried out in the position of recording of video object element (VOBU) on the CD, and, as shown in Figure 2, be RTR_VMGI Table with navigation information updating, and note with reference to above-mentioned position.
Then, among the TM_ENT (Time Difference Entry) of record, as shown in Figure 3, VOBU_ENTN, TM_DIFF and target VOBU_ADDR are carried out record management on the RTR_VMGI Table.Target VOBU_ADDR information be in the program (or VOB) of current record data to carrying out appointment, so all will continue to append TM_ENT when in program chain information (PGCI) generating unit 14, appending VOBU at every turn, and the VOBU_ADDR of new record is managed.
Navigation information such as Fig. 4, shown in Figure 5 that the control program is play, at program chain information (Program ChainInformation, abbreviation PGCI) writes down and manage in the table, at program chain information (Program ChainInformation, abbreviation PGCI) records unit information (Cell Information in the table, be called for short CI), said units information (CI) is corresponding with each chapters and sections that a program is separated into a plurality of visit units carries out record management.
If above-mentioned program does not separate, an only corresponding unit information of program (CI) writes down and manages, if program is separated into a plurality of chapters and sections, then generates the unit information with the corresponding same quantity of chapters and sections.But it is because also indeterminate according to the separation criterion of chapters and sections in the DVD optical disk recorder of prior art, so carry out at interval that chapters and sections separate or after record finishes by certain hour, carry out in the process of play operation the user, when the set positions chapters and sections of liking, in program chain information (PGCI) generating unit 14, original program chain information (PGCI) is upgraded.
But, in the DVD of foundation prior art optical disk recorder, when carrying out scheduled recording, because be to record according to predetermined start and end time, thus program begin also can be recorded with the advertisement of latter end, particularly when recording cable television program, the advertisement of intercutting in the middle of the program also can be recorded, if at this moment there is not automatic separating chapter, the user can be occurred later on and the part of disliking can not be skipped, or can not a problem that the part that selection is liked is play.
Summary of the invention
The present invention proposes for addressing the above problem just, the purpose of this invention is to provide the Apparatus for () and method therefor of automatic separating chapter in a kind of optical disk recorder.According to the present invention at DVD optical disk recorder optical disk recorders such as (DVD-Recorder), in carrying out the data recording process of taped broadcast program, detect the state variation of input video and audio frequency, if detect and in the middle of recorded program, inserted advertisement, then automatically in the set positions of inserting advertisement and isolate chapters and sections (Chapter), the current generation and the corresponding navigation of chapters and sections (Navigation) information, the user can be according to chapters and sections, skip the part of disliking, only play the part of liking, and can be with reference to navigation information, demonstrate the compressing image that comprises each chapters and sections correspondence, the chart of representing separation spacing between each chapters and sections, play, deletion, link the OSD image of the chapters and sections catalogue (Chapter List) of the menu item of any chapters and sections, the user's chapters and sections that can select easily to like are play like this, deletion or link.
To achieve these goals, the method for automatic separating chapter is made of following steps in the foundation optical disk recorder of the present invention: the 1st step, and the method for automatic separating chapter is by the audio frequency that detects input and the variation of video in the optical disk recorder; With, the 2nd step with reference to the result who detects, is carried out automatic chapters and sections to recorded program and is separated.
In addition, to achieve these goals, according to the equipment of automatic separating chapter in the optical disk recorder of the present invention by constituting with lower member: the equipment of automatic separating chapter is by detecting frequency test section and the audio detection portion that input video and audio status change in the optical disk recorder; With reference to the result who detects, recorded program is carried out the control assembly that automatic chapters and sections separate; Generate with the program chain information generating unit of the corresponding navigation information of chapters and sections and to the video and the audio frequency of input and encode, when data are recorded in the data of optical disk district, navigation information is recorded in the video disc recording portion in CD lead-in district.
Effect of the present invention:
Apparatus for () and method therefor according to automatic separating chapter of CD video recorder of the present invention, at DVD optical disk recorder optical disk recorders such as (DVD-Recorder), in carrying out the data recording process of taped broadcast program, detect the state variation of input video and audio frequency, if detect and in the middle of recorded program, inserted advertisement, then automatically in the set positions of inserting advertisement and isolate chapters and sections (Chapter), the current generation and the corresponding navigation of chapters and sections (Navigation) information, the user can be according to chapters and sections, skip the part of disliking, only play the part of liking, and can be with reference to navigation information, demonstrate the compressing image that comprises each chapters and sections correspondence, the chart of representing separation spacing between each chapters and sections, play, deletion, link the OSD image of chapters and sections catalogue of the menu item of any chapters and sections, the user's chapters and sections that can select easily to like are play like this, deletion or link.
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.
Description of drawings
Fig. 1 is the structural representation according to the optical disk recorder of prior art;
Fig. 2 to Fig. 5 is the navigation information schematic diagram that defines in the DVD VR form according to prior art;
Fig. 6 is the structural representation according to the suitable optical disk recorder of the Apparatus for () and method therefor of automatic separating chapter in the optical disk recorder of the present invention;
Fig. 7, Fig. 8 have flow chart according to automatic separating chapter method in the optical disk recorder of the present invention;
Fig. 9 is the OSD image schematic diagram of the chapters and sections catalogue that demonstrates according to the present invention.
The symbol description of major part in the accompanying drawing:
30: audio frequency input part 31:CPU
32: video input part 33:MPEG encoder
34:PGCI generating unit 35: video disc recording portion
36: CD 37:PGCI interpretation portion
38: CD reading part 39:MPEG decoder
40:OSD generating unit 41: video efferent
42; Audio output part 43: audio detection portion
44: Video Detection portion
Embodiment
Be described in detail below with reference to the execution mode of accompanying drawing the Apparatus for () and method therefor of automatic separating chapter of CD video recorder of the present invention.The Apparatus for () and method therefor of automatic separating chapter of CD video recorder
At first, according to the Apparatus for () and method therefor of automatic separating chapter in the optical disk recorder of the present invention, because be applicable to DVD optical disk recorder optical disk recorders such as (DVD-Recorder), so be that example describes with DVD optical disk recorder (DVD-Recorder).As shown in Figure 6, the equipment of automatic separating chapter is by formations such as audio frequency input part 30, control assembly CPU31, video input part 32, mpeg encoder 33, program chain information (Program Chain Information is called for short PGCI) generating unit 34, video disc recording portion 35, CD 36, program chain information interpretation portion 37, CD reading part 38, mpeg decoder 39, OSD generating unit 40, video efferent 41, audio output part 42 and audio detection portion 43, Video Detection portions 44 in the foundation optical disk recorder of the present invention.
Audio detection portion 43, Video Detection portion 44 can be integrated in the CPU31, in audio detection portion 43, whether the voice data that is input to through audio frequency input part 30 in the mpeg encoder 33 is detected from the audio frequency that stereo, stress, monophony are varied to other.
In Video Detection portion 44, the digital signal level that is input to the video data in the mpeg encoder 33 by video input part 32 is detected, whether continue to surpass more than the N Field (as: 2 Field) as the digital signal level value of video data, the fiducial value of setting in advance (as: 7.5IRE).During the taped broadcast program, judge whether having inserted programs such as advertisement in the state variation of CPU31 internal reference audio detection portion 43, Video Detection portion 44 detected Voice ﹠ Videos, in the automatic setting chapters and sections, the operation of program chain information (PGCI) generating unit 34 is controlled.
In program chain information (PGCI) generating unit 34,, generate and the corresponding navigation information of chapters and sections that the position that records the ad data on the CD 36 by mpeg encoder 33 and video disc recording portion 35 is conducted interviews according to the control of CPU31.Above-mentioned and the corresponding navigation information of chapters and sections manage in program chain information (Program Chain Information is called for short PGCI) table with the form of unit information (Cell Information is called for short CI).
Fig. 7 has flow chart according to automatic separating chapter method in the optical disk recorder of the present invention.
Below in conjunction with Fig. 6, describe the flow process of automatic separating chapter method in detail.
S10, as shown in the figure, in CPU31, according to user's input, or the scheduled recording information of user's setting, broadcast program is recorded.
Whether S11 in audio detection portion 43, detects from the audio frequency that stereo, stress, monophony are varied to other voice data that is input to through audio frequency input part 30 in the mpeg encoder 33.
S12, in Video Detection portion 44, the digital signal level that is input to the video data in the mpeg encoder 33 by video input part 32 is detected, whether continue to surpass N Filed (as: 2 Filed) as the digital signal level value of video data, the fiducial value of setting in advance (as: 7.5IRE).
S13 is in CPU31, with reference to the detection signal of audio detection portion 43 and 44 outputs of Video Detection portion, for example in the recording stereo broadcast program, detect and imported the monophony program,, judge that audio status changes then with reference to the detection signal of output in the audio detection portion 43.
S14, S15 are in CPU31, for example when the video of the broadcast program of recording the signal level with certain limit.If imported the video of 0 level suddenly, then with reference to the detection signal of Video Detection portion 44 output, judge that video level changes, for example, if the digital signal level value of video data, the fiducial value of setting in advance (as: 7.5IRE) also continue to surpass N Filed (as: 2 Filed) S15, then judge the current advertising programme of recording.
S16 judges current moment of recording advertising programme in CPU31, program chain information (PGCI) generating unit 34 is controlled, and when setting the chapters and sections branch, generates and the corresponding navigation information of chapters and sections.
S17, then until data record when finishing till, carry out data record and chapters and sections lock out operation automatically
Conduct interviews in program chain information (PGCI) generating unit 34 when the chapters and sections of the position of record advertisement separate (Chapter Divide) operation on the CD, as shown in Figure 8, with the corresponding unit information of the chapters and sections that newly separate (CI), unit information (CI) is upgraded and record as film unit information (M_CI:Movie CI) under the last additional record of program chain information (PGCI).
S160, as shown in Figure 5, in film unit information (M_CI:Movie CI), include the unit temporal information C_TY1=000b that shows corresponding film unit information (M_CI:Movie CI), in program chain information (PGCI) generating unit 34, in film unit information (M_CI:Movie CI), increase a unit inlet count (Number of Cell Entry Point), as units corresponding video time started (C_V_S_PTM:Video Strat PTM of this Cell), be recorded in the film unit information (M_CI:Movie CI) in the time of with current video recording.
S161, S162, the a series of navigation informations such as unit information search number (CI_SRP_Ns) that increase a unit number (C_Ns:Number of Cell) and increase in the common chain information with program recording (PGC_GI:PGC General Information) in current video program information (PGI:Program Information) generate and the renewal operation.
In CPU31, instruction according to the user, operation to program chain information interpretation portion 37 and OSD generating unit 40 is controlled, and the chapters and sections catalogue (Chapter List) of the program recording form with the OSD image frame is presented on the picture of external connection apparatus such as TV.In program chain information (PGCI) interpretation portion 37, exist several programme informations (GCI) to confirm in the program chain information (PGCI) to the program recording that reads by CD reading part 38.
Then, the programme information of confirming is input among the CPU31, to searching for the corresponding program recording of chapters and sections catalogue of user's input in the programme information, the whole reproduction time of program is confirmed that in CPU31 said process is by VOB_V_S_PTM in the M_VOBI and VOB_V_E_PTM decision.
Then, number according to the unit that writes down in the record program information, the number that the decision chapters and sections show is confirmed the reproduction time information of each chapters and sections in corresponding program (or VOB) then, and said process is by C_V_S_PTM in the M_C_GI and C_V_E_PTM decision.
Then, the information of utilize confirming as shown in Figure 9, shows the reproduction time of whole program, chapters and sections number in the recorded program and the reproduction time of each chapters and sections by bar shaped (Bar) chart.The compressing image (Thumbnail Picture) of user interface (User Interface) form that the starting image of the chapters and sections of each separation can be selected by the user shows.
And, in the chapters and sections catalogue of OSD image, as shown in Figure 9, any chapters and sections are play (Play), deletion (Delete) and link menu items such as (Link) show, make things convenient for the user that the chapters and sections of advertisement are deleted, other chapters and sections beyond the advertisement are selected to play.
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 (15)
1, a kind of method of automatic separating chapter of CD video recorder is characterized in that may further comprise the steps:
The 1st step, the method for automatic separating chapter is by the audio frequency that detects input and the variation of video in the optical disk recorder; With
The 2nd step with reference to the result who detects, is carried out automatic chapters and sections to recorded program and is separated.
2, the method for automatic separating chapter of CD video recorder as claimed in claim 1 is characterized in that:
In described the 1st step, to whether detecting from the audio frequency that stereo, stress, monophony are varied to other through the voice data of audio frequency input part input.
3, the method for automatic separating chapter of CD video recorder as claimed in claim 1 is characterized in that:
Described the 1st step detects the digital signal level of the video data by video input part input, whether continues to surpass N Field as the digital signal level value of video data, the fiducial value of setting in advance.
4, the method for automatic separating chapter of CD video recorder as claimed in claim 1 is characterized in that:
Described the 2nd step is if advertisement, the then corresponding chapters and sections of automatic setting and record position have been inserted in judgement with reference to testing result.
5, the method for automatic separating chapter of CD video recorder as claimed in claim 1 is characterized in that:
When described automatic separating chapter, also comprise the 3rd step that generates with the corresponding navigation information of chapters and sections.
6, the method for automatic separating chapter of CD video recorder as claimed in claim 5 is characterized in that:
Described the 3rd step when will the unit information corresponding with chapters and sections being appended in the program chain information table, being upgraded and is noted recording unit relevant information in the program chain information table.
7, the method for automatic separating chapter of CD video recorder as claimed in claim 5 is characterized in that also comprising:
With reference to search with the corresponding described navigation information of chapters and sections, the 4th step that the operating system image of the user interface form that the starting image of the chapters and sections of each separation can be selected by the user shows.
8, the method for automatic separating chapter of CD video recorder as claimed in claim 7, it is characterized in that: the operating system image comprises the compressing image corresponding with each chapters and sections in showing, show the menu item of the bar chart of the separation spacing between each chapters and sections and chapters and sections broadcast arbitrarily, deletion, link etc.
9, a kind of equipment of automatic separating chapter of CD video recorder is characterized in that comprising with lower member:
The equipment of automatic separating chapter is by detecting Video Detection portion and the audio detection portion that input video and audio status change in the optical disk recorder;
With reference to the result who detects, recorded program is carried out the control assembly that automatic chapters and sections separate;
Generate program chain information generating unit with the corresponding navigation information of chapters and sections; And
Video and audio frequency to input are encoded, and when data are recorded in the data of optical disk district, navigation information are recorded in the video disc recording portion in CD lead-in district.
10, the equipment of automatic separating chapter of CD video recorder as claimed in claim 9 is characterized in that:
Whether described audio detection portion is to detecting from the audio frequency that stereo, stress, monophony are varied to other through the voice data of audio frequency input part input.
11, the equipment of automatic separating chapter of CD video recorder as claimed in claim 9 is characterized in that:
Described Video Detection portion is detected the digital signal level of the video data by the input of video input part, whether continues to surpass N Field as the digital signal level value of video data, the fiducial value of setting in advance.
12, the equipment of automatic separating chapter of CD video recorder as claimed in claim 9 is characterized in that:
If judging with reference to testing result, described control assembly inserted advertisement, the then corresponding chapters and sections of automatic setting and record position.
13, the equipment of automatic separating chapter of CD video recorder as claimed in claim 9 is characterized in that:
Described video disc recording portion upgrades and notes recording unit relevant information in the program chain information table when will being appended in the program chain information table to just unit information with chapters and sections.
14, the equipment of automatic separating chapter of CD video recorder as claimed in claim 9 is characterized in that also comprising:
With reference to search with the corresponding described navigation information of chapters and sections, the operating system image that the operating system image of the user interface form that the starting image of the chapters and sections of each separation can be selected by the user shows shows generating unit.
15, the equipment of automatic separating chapter of CD video recorder as claimed in claim 14 is characterized in that:
Comprise the compressing image corresponding in the described operating system show image, show the menu item of the bar chart of the separation spacing between each chapters and sections and chapters and sections broadcast arbitrarily, deletion, link with each chapters and sections.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510112443 CN1992863A (en) | 2005-12-30 | 2005-12-30 | Apparatus for automatic separating chapter of CD video recorder and method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510112443 CN1992863A (en) | 2005-12-30 | 2005-12-30 | Apparatus for automatic separating chapter of CD video recorder and method thereof |
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| Publication Number | Publication Date |
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| CN1992863A true CN1992863A (en) | 2007-07-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 200510112443 Pending CN1992863A (en) | 2005-12-30 | 2005-12-30 | Apparatus for automatic separating chapter of CD video recorder and method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101877234A (en) * | 2010-03-25 | 2010-11-03 | 深圳市万兴软件有限公司 | Method and device for backuping DVD optical disk |
| CN101895711B (en) * | 2009-05-20 | 2012-12-12 | 索尼公司 | Information processing apparatus and information processing method |
-
2005
- 2005-12-30 CN CN 200510112443 patent/CN1992863A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101895711B (en) * | 2009-05-20 | 2012-12-12 | 索尼公司 | Information processing apparatus and information processing method |
| CN101877234A (en) * | 2010-03-25 | 2010-11-03 | 深圳市万兴软件有限公司 | Method and device for backuping DVD optical disk |
| CN101877234B (en) * | 2010-03-25 | 2012-08-08 | 深圳市万兴软件有限公司 | Method and device for backuping DVD optical disk |
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