CN109862347A - A kind of TV Safe Broadcasting Evaluation in Support Ability method - Google Patents
A kind of TV Safe Broadcasting Evaluation in Support Ability method Download PDFInfo
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- CN109862347A CN109862347A CN201910072085.7A CN201910072085A CN109862347A CN 109862347 A CN109862347 A CN 109862347A CN 201910072085 A CN201910072085 A CN 201910072085A CN 109862347 A CN109862347 A CN 109862347A
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Abstract
The present invention relates to radio and television to broadcast technical field, and especially a kind of TV Safe Broadcasting Evaluation in Support Ability method includes the following steps, step S101: radio and television broadcast data acquisition；Step S102: data packet pretreatment is broadcasted；Step S103: decoded packet data analysis is broadcasted；Step S104: data encoding information comparison is broadcasted；Step S105: TV Safe Broadcasting guarantees capability evaluation, broadcasts data digital code information according to comparison and assesses the bit error rate, retardation rate and the protocol data accuracy of broadcasting data.After adopting the above method, after the present invention is broadcasted by acquisition radio and television, then the broadcast data of radio and television playback terminal node compare with broadcast data, to calculate the bit error rate, retardation rate and the protocol data accuracy of broadcasting data, TV Safe Broadcasting supportability is then assessed.
Description
Technical field
The present invention relates to radio and television to broadcast technical field, especially a kind of TV Safe Broadcasting Evaluation in Support Ability
Method.
Background technique
It entering the age of information, the quantity of the audio-video of broadcast is increasingly huge, it needs to carry out signal monitoring to radio and television,
To prevent illegal signals insertion, mistake from broadcasting program or illegally intercutting.Presently mainly through the way of manual viewing, pass through people
Member compares audio or video with program source, and such low efficiency, accuracy rate be not high.
104581432 A of Chinese invention patent CN discloses a kind of based on digital watermark technology TV Safe Broadcasting
Detection method includes the following steps: before audio-video is broadcasted, and corresponding water is embedded in audio-video with audio-video insertion server
Official seal breath, obtains broadcast message；The broadcast message is broadcasted by satellite or transmitting station；Receiving end reading receives
Watermark information in broadcast message, and will be after the mark of the receiving end and the watermark information generation detection information read
It is uploaded to cloud server；Whether the cloud server belongs to peace according to what the detection information judged corresponding broadcast message
It is complete to broadcast, and generate examining report.
Summary of the invention
The technical problem to be solved by the invention is to provide a kind of TV Safe Broadcasting Evaluation in Support Ability methods.
In order to solve the above technical problems, a kind of TV Safe Broadcasting Evaluation in Support Ability method of the invention, including
Following steps,
Step S101: radio and television broadcast data acquisition, and data acquisition node, acquisition is arranged in radio and television playback terminal
Radio and television broadcast data；
Step S102: broadcasting data packet pretreatment, and the radio and television of data acquisition node acquisition are broadcasted data access and are converged
Gather and is pre-processed；
Step S103: decoded packet data analysis is broadcasted；
Step S104: broadcasting data encoding information comparison, and the broadcast data after Decoding Analysis are carried out with former data of broadcasting
Comparison；
Step S105: TV Safe Broadcasting guarantees capability evaluation, broadcasts data digital code information to broadcast according to comparison
The bit error rate, retardation rate and the protocol data accuracy of data are assessed.
Preferably, in the step S102 broadcast data packet pretreatment include data packet arrival time precisely record, data
Packet filtering, flow table management, protocol identification.
Preferably, it includes decoded packet data and data packet analysis that the step S103, which broadcasts decoded packet data analysis, wherein
Decoded packet data includes realizing data recombination, content reduction, text/video/audio decoding, protocol data output；
Resolve packet includes the data characteristics code according to access, determines that different data types, analysis data use
Agreement, including the convergence of uplink and downlink data, session flow management, data distribution management, condition code filtering, application layer protocol filter, association
Discuss decoding, user's behaviors analysis, packet statistics signature analysis and DPI/DFI analysis.
Preferably, retardation rate by the time of broadcast television transmissions, broadcast television reception end and is broadcast in the step S105
The distance between source is put to determine.
After adopting the above method, after the present invention is broadcasted by acquisition radio and television, radio and television playback terminal node is broadcast
Then data out compare with broadcast data, so that the bit error rate, retardation rate and the protocol data accuracy for broadcasting data are calculated,
Then TV Safe Broadcasting supportability is assessed.
Detailed description of the invention
The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.
Fig. 1 is a kind of flow chart of TV Safe Broadcasting Evaluation in Support Ability method of the present invention.
Specific embodiment
As shown in Figure 1, a kind of TV Safe Broadcasting Evaluation in Support Ability method of the invention, includes the following steps,
Step S101: radio and television broadcast data acquisition, and data acquisition node, acquisition is arranged in radio and television playback terminal
Radio and television broadcast data.
Step S102: broadcasting data packet pretreatment, and the radio and television of data acquisition node acquisition are broadcasted data access and are converged
Gather and is pre-processed；In the step S102 broadcast data packet pretreatment include data packet arrival time precisely record, data
Packet filtering, flow table management, protocol identification.
Step S103: decoded packet data analysis is broadcasted；The broadcast decoded packet data analysis includes decoded packet data sum number
It is analyzed according to packet,
Decoded packet data includes realizing data recombination, content reduction, text/video/audio decoding, protocol data output；
It is divided into two-stage flowing water parallel process model according to the process of data convert, high scalability is realized using modularization plug-in card form, is pressed
Network application protocol data is handled according to two level frameworks.
Resolve packet includes the data characteristics code according to access, determines that different data types, analysis data use
Agreement, including the convergence of uplink and downlink data, session flow management, data distribution management, condition code filtering, application layer protocol filter, association
Discuss decoding, user's behaviors analysis, packet statistics signature analysis and DPI/DFI analysis.
Step S104: broadcasting data encoding information comparison, and the broadcast data after Decoding Analysis are carried out with former data of broadcasting
Comparison；
Step S105: TV Safe Broadcasting guarantees capability evaluation, broadcasts data digital code information to broadcast according to comparison
The bit error rate, retardation rate and the protocol data accuracy of data are assessed.Retardation rate passes through radio and television in the step S105
The distance between time, broadcast television reception end and broadcast source of transmission determine.
There are following relationships between RDS frequency deviation and receiver receiving sensitivity: under identical signal-to-noise ratio and signal strength,
RDS frequency deviation is bigger, and it is lower to receive the bit error rate.In order to guarantee normally receiving for RDS, it is desirable that RDS receives the bit error rate below 20%.
When RDS frequency deviation is in 20kHz, when signal strength is down to -3dBuV, still ensure that RDS receives the bit error rate below 20%.Cause
This coverage area in order to expand urgent broadcast as far as possible, when issuing emergent broadcasting information, RDS frequency deviation should be improved
To 20KHz, while reducing audio frequency deviation.
Although specific embodiments of the present invention have been described above, those skilled in the art should be appreciated that this
It is merely illustrative of, various changes or modifications can be made to present embodiment, without departing from the principle and substance of the present invention,
Protection scope of the present invention is only limited by the claims that follow.
Claims (4)
1. a kind of TV Safe Broadcasting Evaluation in Support Ability method, which is characterized in that include the following steps,
Step S101: radio and television broadcast data acquisition, and data acquisition node, acquisition broadcast is arranged in radio and television playback terminal
Television broadcasting data；
Step S102: broadcasting data packet pretreatment, and the radio and television of data acquisition node acquisition are broadcasted data access convergence simultaneously
It is pre-processed；
Step S103: decoded packet data analysis is broadcasted；
Step S104: broadcasting data encoding information comparison, and the broadcast data after Decoding Analysis are broadcasted data with original and are compared；
Step S105: TV Safe Broadcasting guarantees capability evaluation, broadcasts data digital code information to broadcast data according to comparison
The bit error rate, retardation rate and protocol data accuracy assessed.
2. a kind of TV Safe Broadcasting Evaluation in Support Ability method according to claim 1, it is characterised in that: described
In step S102 broadcast data packet pretreatment include data packet arrival time precisely record, Packet Filtering, flow table management, agreement
Identification.
3. a kind of TV Safe Broadcasting Evaluation in Support Ability method according to claim 2, it is characterised in that: described
It includes decoded packet data and data packet analysis that step S103, which broadcasts decoded packet data analysis, wherein
Decoded packet data includes realizing data recombination, content reduction, text/video/audio decoding, protocol data output；
Resolve packet includes the data characteristics code according to access, determines different data types, analyzes the agreement that data use,
Including the convergence of uplink and downlink data, session flow management, data distribution management, condition code filtering, application layer protocol filter, agreement solution
Code, user's behaviors analysis, packet statistics signature analysis and DPI/DFI analysis.
4. a kind of TV Safe Broadcasting Evaluation in Support Ability method according to claim 3, it is characterised in that: described
Retardation rate is by the distance between the time of broadcast television transmissions, broadcast television reception end and broadcast source come really in step S105
It is fixed.
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| CN201910072085.7A CN109862347A (en) | 2019-01-25 | 2019-01-25 | A kind of TV Safe Broadcasting Evaluation in Support Ability method |
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Address after: 100045 No.2 Fuxingmenwai street, Xicheng District, Beijing Applicant after: Planning Institute of Radio and Television of the State Administration of Radio and Television Address before: 100045 No.2 Fuxingmenwai street, Xicheng District, Beijing Applicant before: RADIO AND TELEVISION PLANNING INSTITUTE, STATE ADMINISTRATION OF PRESS, PUBLICATION, RADIO, FILM AND TELEVISION |