CN1168316C - Method based on network for controlling automatical video-audio broadcast transmission - Google Patents
Method based on network for controlling automatical video-audio broadcast transmission Download PDFInfo
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- CN1168316C CN1168316C CNB001303791A CN00130379A CN1168316C CN 1168316 C CN1168316 C CN 1168316C CN B001303791 A CNB001303791 A CN B001303791A CN 00130379 A CN00130379 A CN 00130379A CN 1168316 C CN1168316 C CN 1168316C
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Abstract
The present invention relates to a transmission control method based on a network for automatic audio-video broadcasts, which comprises an audio-video signal automatic collecting and controlling method and an automatic broadcast controlling method. The present invention is characterized in that condition tables of beginning and ending of collection and beginning and ending of broadcasting are established; real-time judgment is carried out according to the characteristic information of the condition tables; different automatic operation is carried out according to the results of the judgment. The present invention based on the existing audio-video broadcast systems and networks automatically controls the operation of signal collection, compression, transmission, storage, direct broadcast, concerned audience data statistics; the present invention is suitable for controlling more than one channel simultaneously.
Description
Technical field
The present invention relates to a kind of audio frequency of looking and broadcast control method automatically; Especially a kind of Network Based, can realize on the net automatically gathering look the audio image code stream and automatically the audio image broadcasting of looking of the interactive operations such as display by screens of control transmit the method for control.
Background technology
Along with development of internet technology, especially the construction at networking, broadband, such wide area network no matter in the internet, or the higher enterprises lan of certain level of informatization, dynamically audio-video broadcasting is progressively being realized, and the technology of playing has also had large increase in real time, greatly capacity, video/audio code stream transmission in high quality.But the network bandwidth also far can not satisfy the huge requirement of looking multi-medium data flows such as audio frequency, 3D fully, and therefore more people is in problems such as the transmission means of bringing owing to bandwidth constraints for solution, data formats.Up-to-date technology is to adopt the media formats of the mode of stream transmission in the Internet broadcast at present, the stream transmission mode then is that the whole multimedia files such as audio frequency and 3D of looking are divided into compressed package one by one through special compress mode,, in real time transmission continuous to subscriber computer by video server.For example, the REAL SYSTEM 8 that U.S. REAL NETWORKS company provides, it has solved network substantially and has looked last the barrier of audio transmission, and the demand that makes network look audio transmission rises rapidly.This real-time play-back technology can provide the effect of full frame VHS play quality, and maximum can realize that the 5MB code stream looks the broadcast of audio file, and adapts to the audio transmission of looking under certain bandwidth condition, carries out the adaptive bandwidth adjustment, and play quality improves greatly.The general user can use common multimedia PC; Network by dialing or private-line mode, obtain the real-time playout software of client, can watch on the net by the mode that survey is look at and watching.
To be video/audio signal generation source input transmit the video/audio signal conversion and look the audio compression server by looking the audio collection card basic comprising of existing system, when needs are play, looks the audio compression server and video/audio code stream is sent to look audio rendition manager.Though it is real-time and dynamic that these advanced day by day streaming videos are propagated, the control and management of playing but realizes there is not the technology of automatic live control by manual type.Being generally artificial time-limited operation broadcasts.Regularly play according to daily job placement by operating personnel and to control, can not carry out lively automatically according to the condition of certain setting, mode is comparatively backward, gives management, uses and make troubles.Prior art also is to rely on artificial the realization for the gatherer process of broadcast program, is to be got up or put into database by the audio files storage of looking that manually will make in advance, and this database of user capture carries out play-on-demand program.Therefore do not gather the automatic real-time update that just can't realize program database automatically, more can not realize the automatic live or automatic collection that multichannel is simultaneously online.
Summary of the invention
The object of the present invention is to provide a kind of based on network audio frequency of looking to broadcast the method that transmits control automatically, it can be based on existing audio-video broadcasting system and network foundation, realize to program signals collecting, compression, transmit, deposit, automatic control that live and relevant viewing-data statistics etc. is operated.
The object of the present invention is achieved like this: a kind of based on network audio frequency of looking is broadcasted the method that transmits control automatically, it is characterized in that: this method comprises the automatic collection control method of video/audio signal and broadcasts control method automatically;
Described automatic collection control method comprises the steps:
A, the collection of setting video-voice frequency flow begin criterion and finish criterion, set up and gather beginning and collection termination condition table;
B, according to the feature of current received signal, compare differentiation with gathering beginning and gather termination condition table content;
The feature of c, current received signal with gather beginning and gather termination condition table content relatively after, the result of determination unanimity then starts acquisition controlling, and video-voice frequency flow is come by the capured keystroke collection; Otherwise get back to step a; Relatively gather termination condition when starting acquisition controlling in real time; Result of determination is a "Yes", then finishes to gather;
Be converted to behind d, the video-voice frequency flow compressed encoding that collection is come and look audio file;
E, look audio file compression and handle;
F, give and to look audio file and add the sign mark, to set up file index;
G, the audio file of looking that will have an expressive notation are stored in the video/audio storehouse;
H, renewal database file index;
Described automatic broadcast control method comprises the steps:
A ', setting video-voice frequency flow broadcast beginning criterion and close of transmission criterion, set up to broadcast to begin and close of transmission condition table;
B ', according to the feature or the program request order of current received signal, and broadcast beginning and close of transmission condition table content and compare differentiation;
The feature of c ', current received signal with broadcast beginning and close of transmission condition table content relatively after, the result of determination unanimity then starts and broadcasts control; Otherwise get back to a '; Close of transmission condition relatively in real time when playing beginning, result of determination for " be ', then finish to broadcast;
D ', beginning video-voice frequency flow are play.
In described automatic collection control method, the described video-voice frequency flow file database of storage automatically can be the world wide web data storehouse.
In described automatic collection control method, described file index information can be the time of programm name and the broadcast of this program.
In described automatic collection control method, described collection begins the criterion table and the termination condition table can comprise time information corresponding or picture characteristic information or sound characteristic information or triggering signal.
In described automatic broadcast control method, described begin to play before, can comprise video-voice frequency flow delivered to automatically and look audio server.
In described automatic broadcast control method, described broadcast begins the criterion table and finishes the criterion table to comprise corresponding temporal information or picture characteristic information or sound characteristic information or triggering signal.
In described automatic broadcast control method, described method also comprises the method that channel is controlled simultaneously more than a tunnel, and the feature of looking audio object for different channel is set up different collections and begun and finish, broadcasts beginning and termination condition table.
In described automatic broadcast control method, described method also comprises automatically to be deposited the moment, time span and this user's of user's program request internet protocol address information in the staqtistical data base.
According to the technique scheme analysis as can be known, the present invention has following significant advantage:
1, utilizes existing network flow-medium play-back technology,, realize that various video-audio programs rollings on the net such as control TV, broadcasting are play automatically in conjunction with looking the automatic Play Control attribute of audio frequency.
2, can carry out the automatic acquisition operations of program, and the data after will gathering deposit automatically in the database, real-time update database program indexing simultaneously is for user's program request in the future provides up-to-date information.
3, changed the live unidirectional broadcast mode of existing network, become interactivity and broadcast, provide technical foundation for the user provides two-way communication.
4, directly provide real-time, viewing-data accurately.
Automatically gather when 5, can realize a plurality of channel, management such as storage, live and program request.
Description of drawings
Fig. 1 is the automatic acquisition controlling flow chart of the present invention.
Fig. 2 broadcasts control flow chart automatically for the present invention.
Embodiment
The present invention broadcasts the method that transmits control automatically for a kind of based on network audio frequency of looking, and comprises the automatic collection control method of video/audio signal and broadcasts control method automatically.The principal character of this method is to set up to gather beginning and end, broadcast beginning and termination condition table, judges in real time at condition table characteristic information; According to the result who judges; Carry out different automatic operations.The collection that it relates to or the Data Source of broadcast can be TV station, radio station, broadcasting station making or in progress program, and the program prerecorded of video tape, or certain each need to gather and setly in the zone that look sound look the sound data of looking that the sound collecting device directly gathers.These data code flows come out by netcast by processing such as audio-video capture card and compressed encodings.Characteristics of the present invention are to gather automatically these data code flows of storage, or carry out live more automatically by specific judgement.The present invention also can finish the automatic real-time update of stored data base and the work such as automatic statistics of access times simultaneously.
As shown in Figure 1, be the automatic collection control method of the present invention.This method comprises:
1, sets the video-voice frequency flow collection and begin criterion and finish criterion, set up and gather beginning and gather the termination condition table.The information of condition table can be temporal information or picture characteristic information or sound characteristic information, and for example certain set time is specifically designed to the broadcast news program, gathers so or finishes the action of this program and can be just judge according to the time and get final product; There are some columns to be provided with fixing icon indicia again, therefore can learn the beginning or the end of certain specific program according to specific image information; The use of acoustic characteristic information too.Therefore according to the content of such condition table, can start or close the action of collection fully.Certainly, beginning and the condition that finishes also can be the specific action triggering signal, obtain such triggering signal, just can send corresponding action;
2, system is according to the feature of current received signal, in real time and the every content in the condition table compare differentiation;
3, compare to determine the result for consistent, then start acquisition controlling, video-voice frequency flow is come by the capured keystroke collection; Otherwise got back to for the 1st step; When starting acquisition operations, compare judgement according to video/audio signal and termination condition table content in real time; When result of determination is a "Yes", then finish to gather;
4, the video-voice frequency flow that collection is come is converted to file; So that carrying out File Compress handles;
5, add the sign mark to file, to set up file index; File index information can be the time of programm name and the broadcast of this program;
6, the compressed file that will have an expressive notation is stored in the video/audio storehouse automatically, and this database can be the WEB database; So that directly program request from network of user;
7, upgrade the database file index, the user can access the program indexing of real-time update like this.
About the operation of the program request for automatic collection, after depositing can with prior art through manually be placed into behind the database to look the Audio on Demand operation basic identical.Promptly, click the program that needs, start playing program and get final product according to database index information.
As shown in Figure 2, be automatic broadcast control method of the present invention, it comprises:
1, sets video-voice frequency flow and broadcast beginning criterion and close of transmission criterion, set up and broadcast beginning and close of transmission condition table.Broadcast beginning criterion table and finish the criterion table and can comprise temporal information or image feature information or sound characteristic information, certainly broadcast the beginning criterion and can be corresponding broadcast beginning and tenth skill triggering signal with the end criterion, these characteristic informations can be independent use or use as criterion jointly.System seeks in real time and triggers live condition, in case find can carry out live.For example when adopting temporal information, broadcast to begin to move also may be the program request triggering signal of playing, or the reproduction time of certain requirement of setting, system is again according to the reproduction time of this program; Pick up counting from playback action; The time that obtains finishing, the concluding time arrives, and then finishes playing; Or relatively learning to begin to play and maybe should finish playback action or the like by beginning or the picture feature that finishes.
2, according to the feature or the program request order of current received signal, compare differentiation with condition table content;
3, compare to determine the result for consistent, then start and broadcast control; Otherwise got back to for the 1st step; Start and compare the close of transmission condition when broadcasting in real time; Result of determination is a "Yes", then finishes to play;
4, the beginning video-voice frequency flow is play.
If video-voice frequency flow leaves other places in, as look the audio compression server, the video-voice frequency flow file that system need broadcast automatically extracts from the compression service device, is sent to and looks the audio frequency broadcasting server, plays.
In addition, because method of the present invention also comprises the contents such as statistics of audience ratings.After system receives broadcast request, automatically with the programm name of user's program request, constantly, time span and this user's IP address information deposits in the staqtistical data base.Therefore the present invention can carry out effective statistics of audience ratings, thus provide can be accurate, real-time audience rating data.
Gathering in the time of for multi channel and Play Control, is to set up different collections by the feature that corresponding different channel is looked audio object to begin and finishes, broadcast and begin and the termination condition table is realized.Its step process is consistent with judgement, startup and the end of single channel.Therefore repeat no more.
Claims (8)
1, a kind of based on network audio frequency of looking is broadcasted the method that transmits control automatically, it is characterized in that: this method comprises the automatic collection control method of video/audio signal and broadcasts control method automatically;
Described automatic collection control method comprises the steps:
A, the collection of setting video-voice frequency flow begin criterion and finish criterion, set up and gather beginning and collection termination condition table;
B, according to the feature of current received signal, compare differentiation with gathering beginning and gather termination condition table content;
The feature of c, current received signal with gather beginning and gather termination condition table content relatively after, the result of determination unanimity then starts acquisition controlling, and video-voice frequency flow is come by the capured keystroke collection; Otherwise get back to step a; Relatively gather termination condition when starting acquisition controlling in real time; Result of determination is a "Yes", then finishes to gather;
Be converted to behind d, the video-voice frequency flow compressed encoding that collection is come and look audio file;
E, look audio file compression and handle;
F, give and to look audio file and add the sign mark, to set up file index;
G, the audio file of looking that will have an expressive notation are stored in the video/audio storehouse;
H, renewal database file index;
Described automatic broadcast control method comprises the steps:
A ', setting video-voice frequency flow broadcast beginning criterion and close of transmission criterion, set up to broadcast to begin and close of transmission condition table;
B ', according to the feature or the program request order of current received signal, and broadcast beginning and close of transmission condition table content and compare differentiation;
The feature of c ', current received signal with broadcast beginning and close of transmission condition table content relatively after, the result of determination unanimity then starts and broadcasts control; Otherwise get back to a '; Close of transmission condition relatively in real time when playing beginning, result of determination for " be ', then finish to broadcast;
D ', beginning video-voice frequency flow are play.
2, the based on network audio frequency of looking according to claim 1 is broadcasted the method that transmits control automatically, it is characterized in that: in described automatic collection control method, the described video-voice frequency flow file database of storage automatically can be the world wide web data storehouse.
3, the based on network audio frequency of looking according to claim 1 is broadcasted the method that transmits control automatically, it is characterized in that: in described automatic collection control method, described file index information can be the time of programm name and the broadcast of this program.
4, the based on network audio frequency of looking according to claim 1 is broadcasted the method that transmits control automatically, it is characterized in that: in described automatic collection control method, described collection begins the criterion table and the termination condition table can comprise time information corresponding or picture characteristic information or sound characteristic information or triggering signal.
5, the based on network audio frequency of looking according to claim 1 is broadcasted the method that transmits control automatically, it is characterized in that: in described automatic broadcast control method, described begin to play before, can comprise video-voice frequency flow delivered to automatically and look audio server.
6, the based on network audio frequency of looking according to claim 1 is broadcasted the method that transmits control automatically, it is characterized in that: in described automatic broadcast control method, described broadcast begins the criterion table and finishes the criterion table to comprise corresponding temporal information or picture characteristic information or sound characteristic information or triggering signal.
7, the based on network audio frequency of looking according to claim 1 is broadcasted the method that transmits control automatically, it is characterized in that: in described automatic broadcast control method, described method also comprises the method that channel is controlled simultaneously more than a tunnel, and the feature of looking audio object for different channel is set up different collections and begun and finish, broadcasts beginning and termination condition table.
8, the based on network audio frequency of looking according to claim 1 is broadcasted the method that transmits control automatically, it is characterized in that: in described automatic broadcast control method, described method also comprises automatically to be deposited the moment, time span and this user's of user's program request internet protocol address information in the staqtistical data base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB001303791A CN1168316C (en) | 2000-11-06 | 2000-11-06 | Method based on network for controlling automatical video-audio broadcast transmission |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB001303791A CN1168316C (en) | 2000-11-06 | 2000-11-06 | Method based on network for controlling automatical video-audio broadcast transmission |
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| CN1353545A CN1353545A (en) | 2002-06-12 |
| CN1168316C true CN1168316C (en) | 2004-09-22 |
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| CNB001303791A Expired - Fee Related CN1168316C (en) | 2000-11-06 | 2000-11-06 | Method based on network for controlling automatical video-audio broadcast transmission |
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Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100373379C (en) * | 2003-05-29 | 2008-03-05 | 华为技术有限公司 | Collecting and processing method for apparatus performance accounting data |
| CN100483988C (en) * | 2006-07-17 | 2009-04-29 | 华为技术有限公司 | Information propagating network and method for transmission information verification in network |
| CN101771478B (en) * | 2008-12-30 | 2011-12-28 | 中国神华能源股份有限公司 | Automatic broadcasting system |
| CN102118638A (en) * | 2011-04-02 | 2011-07-06 | 天脉聚源(北京)传媒科技有限公司 | TV program filing method and system |
| CN103974201B (en) * | 2014-05-23 | 2017-10-24 | 北京鸿达以太文化发展有限公司 | The multi-medium data live broadcast system and method for facing moving terminal |
| CN103986592A (en) * | 2014-05-23 | 2014-08-13 | 北京鸿达以太文化发展有限公司 | Multimedia data on-demand system and method for mobile terminal |
| CN105915492A (en) * | 2015-12-04 | 2016-08-31 | 乐视云计算有限公司 | Network live broadcasting method and device, server and offline control equipment |
| CN113160833A (en) * | 2018-08-29 | 2021-07-23 | 胡开良 | Computer readable storage medium of unmanned aerial vehicle |
| CN112423010B (en) * | 2020-11-16 | 2022-11-15 | 广东省广播电视局 | Direct broadcasting and television relaying monitoring system and monitoring method |
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