CN101489083B - Audio, video data recording and replaying method and system for digital television - Google Patents
Audio, video data recording and replaying method and system for digital television Download PDFInfo
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- CN101489083B CN101489083B CN2009100056063A CN200910005606A CN101489083B CN 101489083 B CN101489083 B CN 101489083B CN 2009100056063 A CN2009100056063 A CN 2009100056063A CN 200910005606 A CN200910005606 A CN 200910005606A CN 101489083 B CN101489083 B CN 101489083B
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Abstract
The invention discloses a digital television audio/video data recording and playback method solving the location problem according to programs during the recording audio/video data playback. The method comprises: recording the audio/video data in a ts stream to a storage medium; simultaneously, real-timely detecting and parsing si data, recording electric program epg information of a channel in a recording process; storing the epg information into an epg information list of the storage medium; storing a corresponding relation of the event information in the epg information and said recorded audio/video data play position in epg information list; locating the play time of the audio/video data to play according to the epg information list. The invention also provides a corresponding system. Because the technique scheme of the invention records the corresponding epg information as well as the audio/video data, and preserves the epg information as a list, when the users play back the audio/video data, the invention can locatedly play according to the epg information, and facilities the user choice.
Description
Technical field
The present invention relates to audiovisual frequency in digital TV play-back technology field, be specifically related to a kind of audiovisual frequency in digital TV data recording and replaying method and system.
Background technology
Along with the propelling day by day of global broadcast television digitization, Digital Television receiving card, digital TV set-top box and the digital TV integrated machine on the computer all becomes the different approaches of promoting Digital Television.Along with television broadcasting manufacturer provides increasing as services such as browsing page, video request program, subscription and video recording, game on line or interactive TVs, top box of digital machine also will be from the transitional product of existing collocation simulated television, becomes from now on important digital product in the average family.In order to bring better service to the consumer, increasing set-top box begins to install additional hard disk, to substitute traditional video tape recorder, the recording function of digital television program is provided, the user can be by sending an instruction, as press " recording key ", with in progress television program record to hard disk; Also can send other instruction in needs, as press " playback key ", certain file of playback is appreciated the program under having recorded.In the prior art according to fiducial time and locating bias time quantum determining position positioning time; So in file, search the node of described positioning time of position correspondence, and determine described positioning time of position corresponding file position according to the time and the document location of described node.
In research and practice process to prior art, the present inventor finds, existing recording and replaying method is based on the time: be positioned to the broadcast sometime of recorded file.And the user is only interested in the programme content when watching program, and the user need be positioned to certain programs of interest and play, during with time-based positioning playing method, the broadcast that need search the target program is earlier remembered this moment constantly, relocate and play to this moment, inconvenient operation.
Summary of the invention
The embodiment of the invention provides audiovisual frequency in digital TV data recording and replaying method and system.
A kind of audiovisual frequency in digital TV data recording and replaying method comprises:
With the audio, video data recording in transport stream (ts, the transport stream) stream to storage medium;
Simultaneously, detect and resolve business information (si, service Information) data in real time, the electronic program guides epg information of record recording process mid band;
Described epg information is deposited in the epg information list of storage medium;
Described epg information list has write down the event information in the epg information and the corresponding relation of the above-mentioned audio, video data play position of recording;
Play constantly according to the broadcast that described epg information list navigates to described audio, video data.
A kind of audiovisual frequency in digital TV data recording and replaying system comprises:
Record device, the audio, video data recording that is used for ts is flowed simultaneously, detects and resolves the si data in real time to storage medium, and the epg information of record recording process mid band deposits described epg information in the epg information list of storage medium;
Described epg information list has write down the corresponding relation of epg information and the above-mentioned audio, video data play position of recording;
Storage device is used to store described audio, video data and described epg information list;
Playback reproducer is used for playing constantly according to the broadcast that described epg information list is located described audio, video data the audio, video data of described memory module storage.
The embodiment of the invention adopts the corresponding epg information of record in the recording audio/video data, and described epg information is preserved as a tabulation, when user's playback audio, video data, can make things convenient for user's selection according to epg information positioning playing.
Description of drawings
Fig. 1 is the flow chart of an embodiment of a kind of audiovisual frequency in digital TV data recording and replaying method of the present invention;
Fig. 2 is the structure chart of an embodiment of a kind of audiovisual frequency in digital TV data recording and replaying of the present invention system;
Fig. 3 is the another kind of structure chart of an embodiment of a kind of audiovisual frequency in digital TV data recording and replaying of the present invention system.
Embodiment
The embodiment of the invention provides a kind of audiovisual frequency in digital TV data recording and replaying method, the problem of locating according to program when solving the recording audio/video data readback.The embodiment of the invention also provides corresponding device thereof and system.Below be elaborated respectively.
Embodiment one,
See also the flow chart of Fig. 1 for an embodiment of a kind of audiovisual frequency in digital TV data recording and replaying method of the present invention;
The embodiment of the invention is when the recording audio/video data, obtain the electronic program guides (epg of described audio, video data correspondence, Electronic Program Guide) information, and simultaneously be kept in storage medium as tabulation and described audio, video data described epg information, when audio-video document that user's playback is recorded, can play according to the epg information location programs of interest of preserving.
Step 101, recording audio/video data;
Record device is analyzed the audio, video data in the ts stream, the audio, video data that needs are recorded is kept in the storage medium, and described storage medium can be mechanical hard disk, solid state hard disc, flash memory or the like.
Step 102, record epg information;
Step 102 and step 101 should be to carry out simultaneously, in the time of the recording audio/video data, detect and resolve the si data in real time, the epg information of record recording process mid band; Described epg information is deposited in the epg information list of storage medium;
When locating based on the epg incident in the file playback process, required epg information together is stored in the storage medium with recorded file, for the recorded file in each storage medium, the epg information list that a correspondence is all arranged, this table record this recorded file each constantly the epg event information and the corresponding relation of play position.Tabulation can be adopted following form:
| Sequence number | Play position | The epg event information |
| 1 | 00:00 | 2008-12-09 23:00--2008-12-10 01:00 " football all over the world " ... (detailed description information) |
| 2 | 01:00 | 2008-12-10 01:00--2008-12-10 03:00 " Division A League Football Matches of Italy " ... (detailed description information) |
| 3 | 03:00 | 2008-12-10 03:00--2008-12-10 05:00 " basketball park " ... (detailed description information) |
Further, after judgement epg information changes, from si information, resolve and record the current epg information of channel, and obtain current play position; Generate a new epg entry, add in the epg information list, and write storage medium.Described epg entry is the epg event information.
The audio, video data that step 103, playback are recorded;
Play constantly according to the broadcast that described epg information list is located described audio, video data.
When the user need go up the audio, video data of (descending) epg entry correspondence, can adopt following steps during playback:
A1, from hard disk, read out the epg information list of playback file correspondence.
A2, obtain the current time of file playback.
In A3, the traversal epg information list, search the current epg entry constantly of playing.
A4, obtain current epg entry following (on) broadcast of an entry constantly.
A5, the broadcast of obtaining according to A4 are play constantly.
Also can provide the user to carry out epg location playback, can adopt following steps:
B1, from hard disk, read out the epg information list of playback file correspondence.
B2, demonstration epg information list are selected for the user.
B3, according to user's selection, search the zero hour of corresponding epg item of information in the epg information list
B4, the moment of obtaining according to B3 play.
The embodiment of the invention adopts the corresponding epg information of record in the recording audio/video data, and described epg information is preserved as a tabulation, when user's playback audio, video data, can make things convenient for user's selection according to epg information positioning playing.
Embodiment two,
See also the structure chart of Fig. 2 for an embodiment of a kind of audiovisual frequency in digital TV data recording and replaying of the present invention system;
Described epg information list has write down the corresponding relation of epg information and the above-mentioned audio, video data play position of recording;
Further described record device 21 can also comprise:
Audio, video data recording device 211, the audio, video data recording that is used for ts is flowed is to storage medium;
Epg information record device 212 is used for detecting in real time and resolving the si data, and the epg information of record recording process mid band deposits described epg information in the epg information list of storage medium;
Described epg information record device 212 further can also comprise:
Increase module 2122, be used for when described judge module judges that epg information changes, from si information, resolving the current epg information of recording channel, and obtain current play position, a newly-generated epg entry is added in the epg information list, and is write storage medium.
Described storage device 22 can be mechanical hard disk, solid state hard disc, flash memory or the like.
Further described playback reproducer 23 can also comprise:
Play acquisition module 231 constantly, be used for locating the broadcast moment of described audio, video data according to described epg information list;
Further described broadcast acquisition module 231 constantly can also comprise:
Epg information list read module 2311 is used for reading the epg information list of the audio, video data correspondence of storage medium current playback;
First plays acquisition module 2312 constantly, is used to obtain the current time of the audio, video data of current playback;
The epg entry is searched module 2313, is used to search the current epg entry constantly of playing;
Second plays acquisition module 2314 constantly, be used to obtain current epg entry following/last epg entry broadcast constantly.
See also Fig. 3, described broadcast acquisition module 231 constantly can also be divided into following several module:
Epg information list read module 231a is used for reading the epg information list of storage medium audio, video data correspondence;
Display module 231b is used to show that the epg information list is for user's selection;
Search module 231c, be used for selection, search the zero hour of corresponding epg entry in the epg information list according to the user.
Described broadcast acquisition module 231 constantly can have Fig. 2 and these two kinds of 26S Proteasome Structure and Functions shown in Figure 3 simultaneously, also can only have wherein any 26S Proteasome Structure and Function.
Playing module 232 is used for according to described broadcast moment playing audio-video data.
One of ordinary skill in the art will appreciate that all or part of step in the whole bag of tricks of the foregoing description is to instruct relevant hardware to finish by program, this program can be stored in the computer-readable recording medium, and storage medium can comprise: ROM, RAM, disk or CD etc.
More than a kind of audiovisual frequency in digital TV data recording and replaying method that the embodiment of the invention provided and device and system are described in detail, used specific case herein principle of the present invention and execution mode are set forth, the explanation of above embodiment just is used for helping to understand method of the present invention and core concept thereof; Simultaneously, for one of ordinary skill in the art, according to thought of the present invention, the part that all can change in specific embodiments and applications, in sum, this description should not be construed as limitation of the present invention.
Claims (10)
1. an audiovisual frequency in digital TV data recording and replaying method is characterized in that, comprising:
With the audio, video data recording in the transport stream ts stream to storage medium;
Simultaneously, detect and resolve business information si data in real time, record the electronic program guides epg information of channel in the record recording process;
Described epg information is deposited in the epg information list of storage medium;
Described epg information list write down in the epg information event information and in the above-mentioned audio, video data of recording the corresponding relation of play position;
Play constantly according to the broadcast that described epg information list navigates to described audio, video data.
2. audiovisual frequency in digital TV data recording and replaying method according to claim 1 is characterized in that, also comprises after in the described epg information list that epg information is deposited in storage medium:
After judging that epg information changes, from the si data, resolve and record the current epg information of channel, and obtain current play position;
Generate a new epg entry, add in the epg information list, and write storage medium.
3. audiovisual frequency in digital TV data recording and replaying method according to claim 1 and 2 is characterized in that, the described broadcast that navigates to described audio, video data according to the epg information list is play constantly and is specially:
Read the epg information list of the audio, video data correspondence of current playback in the storage medium;
Obtain the current time of the audio, video data of current playback;
Search the current epg entry constantly of playing;
Obtain the broadcast moment of a following/last epg entry of current epg entry;
Broadcast moment playing audio-video data according to a described time/last epg entry.
4. audiovisual frequency in digital TV data recording and replaying method according to claim 1 and 2 is characterized in that, the described broadcast that navigates to described audio, video data according to the epg information list is play constantly and is specially:
Read the epg information list of audio, video data correspondence in the storage medium;
Show that the epg information list is for user's selection;
According to user's selection, search the zero hour of corresponding epg entry in the epg information list;
The playing audio-video data zero hour according to described epg entry.
5. an audiovisual frequency in digital TV data recording and replaying system is characterized in that, comprising:
Record device, the audio, video data recording that is used for ts is flowed simultaneously, detects and resolves the si data in real time to storage device, records the epg information of channel in the record recording process, described epg information is deposited in the epg information list of storage device;
Described epg information list has write down epg information and the corresponding relation of play position in the above-mentioned audio, video data of recording;
Storage device is used to store described audio, video data and described epg information list;
Playback reproducer is used for playing constantly according to the broadcast that described epg information list is located described audio, video data the audio, video data of described memory device stores.
6. audiovisual frequency in digital TV data recording and replaying as claimed in claim 5 system is characterized in that described record device comprises:
The audio, video data recording device, the audio, video data recording that is used for ts is flowed is to storage device;
Epg information record device is used for detecting in real time and resolving the si data, records the epg information of channel in the record recording process, described epg information is deposited in the epg information list of storage device.
7. audiovisual frequency in digital TV data recording and replaying according to claim 6 system is characterized in that described epg information record device further comprises:
Judge module is used to judge whether epg information changes;
Increase module, be used for when described judge module judges that epg information changes, from the si data, resolving the current epg information of recording channel, and obtain current play position, a newly-generated epg entry is added in the epg information list, and write storage device.
8. audiovisual frequency in digital TV data recording and replaying as claimed in claim 5 system is characterized in that described playback reproducer comprises:
Play acquisition module constantly, be used for locating the broadcast moment of described audio, video data according to described epg information list;
Playing module is used for according to described broadcast moment playing audio-video data.
9. audiovisual frequency in digital TV data recording and replaying according to claim 8 system is characterized in that, described broadcast acquisition module constantly also comprises:
Epg information list read module is used for the epg information list of the audio, video data correspondence of read storage device current playback;
First plays acquisition module constantly, is used to obtain the current time of the audio, video data of current playback;
The epg entry is searched module, is used to search the current epg entry constantly of playing;
Second plays acquisition module constantly, be used to obtain current epg entry following/last epg entry broadcast constantly.
10. audiovisual frequency in digital TV data recording and replaying according to claim 8 system is characterized in that, described broadcast acquisition module constantly also comprises:
Epg information list read module is used for the epg information list of read storage device audio, video data correspondence;
Display module is used to show that the epg information list is for user's selection;
Search module, be used for selection, search the zero hour of corresponding epg entry in the epg information list according to the user.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100056063A CN101489083B (en) | 2009-01-20 | 2009-01-20 | Audio, video data recording and replaying method and system for digital television |
| HK09111157.7A HK1133512A1 (en) | 2009-01-20 | 2009-11-27 | Audio, video data recording and replaying method and system for digital television |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100056063A CN101489083B (en) | 2009-01-20 | 2009-01-20 | Audio, video data recording and replaying method and system for digital television |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101489083A CN101489083A (en) | 2009-07-22 |
| CN101489083B true CN101489083B (en) | 2011-05-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2009100056063A Expired - Fee Related CN101489083B (en) | 2009-01-20 | 2009-01-20 | Audio, video data recording and replaying method and system for digital television |
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| Country | Link |
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| CN (1) | CN101489083B (en) |
| HK (1) | HK1133512A1 (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103716573B (en) * | 2013-12-13 | 2018-02-09 | 乐视致新电子科技（天津）有限公司 | A kind of method and apparatus of video playback |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1530368A1 (en) * | 2003-11-05 | 2005-05-11 | Kabushiki Kaisha Toshiba | Program information display method, broadcast reception apparatus, and recording apparatus |
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2009
- 2009-01-20 CN CN2009100056063A patent/CN101489083B/en not_active Expired - Fee Related
- 2009-11-27 HK HK09111157.7A patent/HK1133512A1/en not_active IP Right Cessation
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1530368A1 (en) * | 2003-11-05 | 2005-05-11 | Kabushiki Kaisha Toshiba | Program information display method, broadcast reception apparatus, and recording apparatus |
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| Publication number | Publication date |
|---|---|
| CN101489083A (en) | 2009-07-22 |
| HK1133512A1 (en) | 2010-03-26 |
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