CN109688460A - A kind of consonant output method, DTV and the storage medium of digital TV picture - Google Patents
A kind of consonant output method, DTV and the storage medium of digital TV picture Download PDFInfo
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- CN109688460A CN109688460A CN201811584924.5A CN201811584924A CN109688460A CN 109688460 A CN109688460 A CN 109688460A CN 201811584924 A CN201811584924 A CN 201811584924A CN 109688460 A CN109688460 A CN 109688460A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/439—Processing of audio elementary streams
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/434—Disassembling of a multiplex stream, e.g. demultiplexing audio and video streams, extraction of additional data from a video stream; Remultiplexing of multiplex streams; Extraction or processing of SI; Disassembling of packetised elementary stream
- H04N21/4341—Demultiplexing of audio and video streams
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/434—Disassembling of a multiplex stream, e.g. demultiplexing audio and video streams, extraction of additional data from a video stream; Remultiplexing of multiplex streams; Extraction or processing of SI; Disassembling of packetised elementary stream
- H04N21/4345—Extraction or processing of SI, e.g. extracting service information from an MPEG stream
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/47—End-user applications
- H04N21/482—End-user interface for program selection
- H04N21/4825—End-user interface for program selection using a list of items to be played back in a given order, e.g. playlists
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/47—End-user applications
- H04N21/485—End-user interface for client configuration
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Human Computer Interaction (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
Abstract
The invention discloses consonant output method, DTV and the storage medium of a kind of digital TV picture, method includes: parsing audio unit code stream, identifies consonant, and the packet identifier for saving consonant and keynote rail index information corresponding with consonant are to server；Play instruction is received, all broadcast informations of corresponding program is obtained, program is played with this；Consonant switching information is obtained, if consonant switch is arranged to open, obtains the packet identifier of all keynote rail index information and its corresponding consonant, and is corresponded to configuration play parameter to be allocated to player, to export the audio-frequency information for having consonant.Consonant and broadcasting of the present invention by increase controllable switch, so that mating broadcasting consonant while the broadcasting of picture sound, keep broadcasting scene more lively, true to nature, both TV original function had been realized, the sound broadcast mode of flexible controllable TV again, enhance consumer products experience, meets the needs of different users, facilitate user.
Description
Technical field
The present invention relates to TV technologies, and in particular to a kind of consonant output method of digital TV picture, number electricity
Depending on and storage medium.
Background technique
In the prior art, DTV synchronization can only realize audio output all the way, cannot achieve synchronization two
Road audio output, for example, there is no the sound for exporting enabling simultaneously when TV is playing the picture of enabling, therefore, so that
Broadcasting pictures are not lively enough, lack authenticity, also, the audio output mode of the prior art is single, cannot be with the difference of picture
Switch different audio output modes, flexibility is poor.
Therefore, the existing technology needs to be improved and developed.
Summary of the invention
The technical problem to be solved in the present invention is that in view of the above drawbacks of the prior art, providing a kind of DTV picture
Consonant output method, DTV and the storage medium in face, it is intended to by setting consonant switch and corresponding consonant information according to
The difference of picture is flexibly controllable to export the audio-frequency information for having consonant, so that broadcasting pictures are more lively, true to nature, not with picture
TV original function is not only realized, different audios is also flexibly controlled with different audio output modes is switched flexibly controllably
The way of output, enhancing consumer products experience, meets the needs of different users, facilitates user.
The technical proposal for solving the technical problem of the invention is as follows:
A kind of consonant output method of digital TV picture, the consonant output method of the digital TV picture include following step
It is rapid:
Audio unit code stream is parsed, identifies the consonant in audio unit code stream, and save the packet identifier and and consonant of consonant
Corresponding keynote rail index information is to server；
Play instruction is received, all broadcast informations of corresponding program are obtained from database, and play according to the broadcast information
Program；
Consonant switching information is obtained, if consonant switch is arranged to open, all keynote rail index informations are obtained from server
And the packet identifier of consonant corresponding with the keynote rail index information；
Play parameter is configured according to the packet identifier of keynote rail index information and consonant corresponding with keynote rail index information, will be broadcast
Parameter configuration is put to player, audio-frequency information is exported according to play parameter.
The consonant output method of the digital TV picture, wherein the parsing audio unit code stream identifies audio
Consonant in unit code stream, and save consonant packet identifier and keynote rail index information corresponding with consonant to service implement body
Include:
Obtain program map table information；
Audio unit code stream to be resolved is determined according to program map table information；
The audio description information for parsing the audio unit code stream, obtains audio decoder configuration information and audio types；
Judge whether audio is consonant according to audio types, if consonant, then saves corresponding packet identifier and corresponding with consonant
Keynote rail index information to server.
The consonant output method of the digital TV picture, wherein the acquisition program map table information specifically includes:
Lock the current frequency point of DTV；
Obtain the Program Association Table of current frequency point；
Filtration parameter is set, and Program Association Table is filtered according to the filtration parameter, Program Map Table is obtained with screening
Information.
The consonant output method of the digital TV picture, wherein obtain corresponding all of program from database and broadcast
It puts in information, all played datas other than consonant is set.
The consonant output method of the digital TV picture, wherein the parsing audio unit code stream identifies audio
Consonant in unit code stream, and save consonant packet identifier and keynote rail index information corresponding with consonant to server step
Include: before rapid
Consonant switching information is configured in the server, and audio unit code stream is associated with the foundation of consonant switching information；
According to the association, before playing audio or video corresponding with audio, consonant switching information is obtained first, then play sound
Frequency or video.
The consonant output method of the digital TV picture, wherein the acquisition consonant switching information, if consonant switchs
It is arranged to open, all keynote rail index information and consonant corresponding with the keynote rail index information is obtained from server
Packet identifier specifically include:
Consonant switching information is obtained, judges whether consonant switch identifier is 1；
If 1, then consonant switch is arranged to open, from server obtain all keynote rail index information and with the master
The packet identifier of the corresponding consonant of track index information.
The consonant output method of the digital TV picture, wherein further include:
If consonant switch identifier is 0, consonant switch is not switched on, and is obtained all keynote rail index informations from server and is matched
Play parameter is set, so that player only exports audio-frequency information, asynchronous output consonant according to the play parameter.
The consonant output method of the digital TV picture, wherein described according to keynote rail index information and and keynote
The packet identifier of the corresponding consonant of rail index information configures play parameter, and play parameter is allocated to player, joins according to playing
After the step of number output audio-frequency information, further includes:
Obtain keynote rail handover information；
When keynote rail switches over, according to the corresponding relationship of keynote rail index information and the packet identifier of consonant, switching is corresponded to
Consonant packet identifier, and the consonant after switching is re-allocated into player with keynote rail, so that player synchronism output sound
Frequency information and consonant.
The present invention also provides a kind of DTVs, wherein the DTV include processor and with the processor
The memory of connection, the memory are stored with the consonant output program of digital TV picture, the digital TV picture it is auxiliary
For realizing the consonant output method of digital TV picture described above when sound output program is executed by the processor.
The present invention also provides a kind of storage mediums, wherein the consonant that the storage medium is stored with digital TV picture is defeated
Program out, for realizing DTV described above picture when the consonant output program of the digital TV picture is executed by processor
The consonant output method in face.
The invention discloses consonant output method, DTV and the storage medium of a kind of digital TV picture, the numbers
The consonant output method of word television image includes: parsing audio unit code stream, identifies the consonant in audio unit code stream, and protect
The packet identifier and keynote rail index information corresponding with consonant for depositing consonant are to server；Play instruction is received, from database
All broadcast informations of corresponding program are obtained, and program is played according to the broadcast information；Consonant switching information is obtained, if consonant
Switch is arranged to open, and obtains all keynote rail index information and corresponding with the keynote rail index information from server
The packet identifier of consonant；It is broadcast according to the configuration of the packet identifier of keynote rail index information and consonant corresponding with keynote rail index information
Parameter is put, play parameter is allocated to player, audio-frequency information is exported according to play parameter.The present invention is directed to pass through setting consonant
Switch and corresponding consonant information flexibly controllably export the audio-frequency information for having consonant according to the difference of picture, so that broadcasting pictures
It is more lively, true to nature, switch different audio output modes with the difference of picture, it is flexibly controllable, it is original not only to realize TV
Function, also flexibly controls different audio output modes, and enhancing consumer products experience meets the needs of different users, facilitates use
Family.
Detailed description of the invention
Fig. 1 is the process of the first preferred embodiment of the consonant output method of digital TV picture provided by the present invention
Figure.
Fig. 2 is the flow chart for parsing and saving consonant in the consonant output method of digital TV picture of the present invention.
Fig. 3 is the flow chart that consonant whether is incidentally played in the consonant output method of digital TV picture of the present invention.
Fig. 4 is a kind of structural block diagram of DTV provided by the invention.
Specific embodiment
To make the objectives, technical solutions, and advantages of the present invention clearer and more explicit, right as follows in conjunction with drawings and embodiments
The present invention is further described.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and do not have to
It is of the invention in limiting.
Embodiment one
Referring to Figure 1, Fig. 1 is the first preferred embodiment of the consonant output method of digital TV picture provided by the present invention
Flow chart.As shown in Figure 1, a kind of consonant output method of digital TV picture the following steps are included:
Step S100 parses audio unit code stream, identifies the consonant in audio unit code stream, and save the packet identifier of consonant
And keynote rail index information corresponding with consonant is to server.
In the embodiment of the present invention, before step S100, consonant switching information is configured in the server in advance, and by audio
Unit code stream is associated with the foundation of consonant switching information；It is first before playing audio or video corresponding with audio according to the association
Consonant switching information is first obtained, then plays audio or video.That is, the field of consonant value is stored in creation in the server
(audio_type) and the field of consonant switch value (ad_flag), while the pass of audio unit code stream and consonant switch is stored
Connection relationship.Specifically, the setting switched by the consonant, so that determining whether when playing audio or video with matched auxiliary
Sound plays simultaneously, i.e., what consonant switched opens or closes, so that different pictures switch different audios when playing audio or video
The way of output is worn consonant output or is not worn consonant output (normal output).The audio unit code stream, which is stored with, works as prosthomere
The packet identifier of the corresponding consonant of mesh broadcasting pictures, the value for parsing audio_type in the audio unit code stream is 3, then determines
Consonant is opened, at this time synchronization audio according to the incidence relation of the audio unit code stream and consonant switch if consonant switchs
And consonant two-way exports simultaneously.
Then, above-mentioned steps S100 is specifically included:
Step S101 obtains program map table information；
Step S102 determines audio unit code stream to be resolved according to program map table information；
Step S103 parses the audio description information of the audio unit code stream, obtains audio decoder configuration information and audio
Type；
Step S104 judges whether audio is consonant according to audio types, if consonant, then save corresponding packet identifier and with
The corresponding keynote rail index information of consonant is to server.
Wherein, step S101 is specifically included:
Step S1011 locks the current frequency point of DTV；
Step S1012 obtains the Program Association Table of current frequency point；
Step S1013 is arranged filtration parameter, and is filtered according to the filtration parameter to Program Association Table, is obtained with screening
Program map table information.
The Program Association Table (Program Association Table, pat table) defines present video unit code stream
All programs in (TS stream).The Program Map Table (Program Map Table, pmt table) defines program all the way and includes
Information, such as the PID(packet identifier of video, audio and program, unique identification program).
When it is implemented, when by the current frequency point of search lock DTV, will acquire Program Association Table is solved
Analysis, i.e., parsing ISO_639_langvage_descriptor describes sub (i.e. above-mentioned audio description information) from TS stream, according to mistake
The setting for filtering parameter filters out the program map table information that packet identifier is audio in Program Association Table, then parses pmt table
Data obtain ISO_639_langvage_code(i.e. audio decoder configuration information) and audio_type(i.e. audio types).
It is consonant if the value of audio_type is 3, then obtains consonant packet identifier and keynote rail corresponding with consonant index letter
Breath, and saved simultaneously into the corresponding ad_audio_pidindex of server.
Step S200 receives play instruction, all broadcast informations of corresponding program is obtained from database, and according to described
Broadcast information plays program.
In embodiments of the present invention, the program channel that DTV is currently played is obtained, after the channel, from
Get the corresponding all broadcast informations of the program channel with the server of DTV connection, be arranged at this time in addition to consonant with
Outer all played datas.Then start to play program according to the play instruction and broadcast information that receive.
Step S300 obtains consonant switching information, if consonant switch is arranged to open, all masters are obtained from server
The packet identifier of track index information and consonant corresponding with the keynote rail index information.
That is step S300 is specifically included:
Step S301 obtains consonant switching information, judges whether consonant switch identifier is 1；
Step S302, if 1, then consonant switch is arranged to open, from server obtain all keynote rail index informations with
And the packet identifier of consonant corresponding with the keynote rail index information；
Step S303, if consonant switch identifier is 0, consonant switch is not switched on, and all keynote rails are obtained from server
Index information configures play parameter, so that player only exports audio-frequency information, asynchronous output consonant according to the play parameter.
That is ad_flag is true, i.e., value is 1, then means to open consonant function, then when parsing audio unit code stream
The packet identifier pid and audi0_type of main track information, consonant can be obtained, if ad_flag is false, i.e., value is 0, then
Mean not open consonant function, then only obtaining main track information when parsing audio unit code stream.
Step S400 is configured according to the packet identifier of keynote rail index information and consonant corresponding with keynote rail index information
Play parameter is allocated to player by play parameter, exports audio-frequency information according to play parameter.
When it is implemented, when open consonant switch when, will configuration keynote rail index information and with keynote rail index information pair
The packet identifier for the consonant answered is so that player plays output audio-frequency information and consonant.
Certainly, when obtaining keynote rail handover information, i.e., image switching when, according to the packet of keynote rail index information and consonant
The corresponding relationship of identification code switches corresponding consonant packet identifier, and the consonant after switching is re-allocated to broadcasting with keynote rail
Device, so that player synchronism output audio-frequency information and consonant.That is, when switching different tracks, consonant also can be with
Change, enhance picture result of broadcast and in this way, making broadcasting pictures more lively more really, further increase the sound of TV
Effect.Meanwhile the setting by increasing consonant switch, it was both able to maintain the original function of DTV, while flexibly control consonant is defeated
Out, so that audio output mode diversification is presented, the demand of different user is adapted to.
Above-mentioned technical proposal in order to better understand the present invention is illustrated with a specific embodiment below.
As shown in Figures 2 and 3, Fig. 2 is parsed and is saved in the consonant output method of digital TV picture of the present invention
The flow chart of consonant, Fig. 3 are the stream that consonant whether is incidentally played in the consonant output method of digital TV picture of the present invention
Cheng Tu.
Step S110 after locking current frequency point, starts to parse pmt, then executes step S120；
Step S120 parses audio unit code stream, i.e., obtains corresponding audio unit code stream TS according to frequency point and flow, and carry out to it
Parsing, while filtration parameter is set to screen the audio unit code stream TS stream after parsing the parsing, then execute step S130.
Step S130, parsing ISO_639_langvage_descriptor description obtains ISO_639_langvage_
Code(, that is, audio decoder configuration information) and audio_type(, that is, audio types), then execute step S140.
Step S140 judges whether the value of audio_type is 3, if so, step S142 is executed, if it is not, thening follow the steps
S141。
Step S141 saves as the audio pid langvage of keynote rail, not set consonant.That is the corresponding TS of current picture
There is no consonant setting in stream.
Step S142, the langvage for inquiring previously stored keynote rail obtains specification index, and saves consonant pid, i.e.,
Keynote rail and consonant setting are saved simultaneously.
Above-mentioned steps S110-S142 is to be arranged in the server before playing audio picture and whether stored every frame picture
It is correspondingly arranged matched consonant.
Subsidiary consonant whether is executed when below step is for judging broadcasting pictures to play, specific as follows:
Step S210 receives play instruction, then executes step S220；
Step S220 obtains the value of consonant switch ad_flag from the database of server, then executes step S230；
Step S230 judges whether the value of ad_flag is 1, if so, executing step S231；If it is not, executing step S232；
Step S231, according to the corresponding consonant of keynote rail acquisition of information, the corresponding packet identifier of consonant and type (pid_
Type), step S232 is then executed；
Step S232, different play parameter is arranged in player whether switching and open according to consonant, i.e., when consonant switch is opened, if
Set the play parameter of main track information and consonant relevant information；When consonant switch is closed, the broadcasting of main track information is only set
Then parameter executes step S240；
Step S240 starts to play according to different play parameter, i.e., when ad_flag==1 when, player plays audio sound simultaneously
Sound and consonant, if ad_flag is not 1, player only plays audio sound.
Certainly, those of ordinary skill in the art will appreciate that realizing all or part of the process in above-described embodiment method,
It is that related hardware (such as processor, controller etc.) can be instructed to complete by the consonant output program of digital TV picture,
The program can be stored in a computer-readable storage medium, which may include that DTV such as is drawn when being executed
The process of the consonant output method embodiment in face.Wherein the storage medium can be memory, magnetic disk, CD etc..
Embodiment two
The embodiment of the invention also provides a kind of DTV, Fig. 4 illustrates the structural block diagram of the DTV, such as Fig. 4 institute
Show, the DTV includes processor 10 and the memory 20 that connect with the processor 10, and the memory 20 stores
There is the consonant output program of digital TV picture.
The processor 10 in some embodiments, can be a central processing unit (Central Processing
Unit, CPU), microprocessor or other data processing chips, for run the program code stored in the memory 20 or
Data are handled, such as execute the program etc. of screen body aging process.
Further, when the consonant output program of the digital TV picture is executed by the processor 10 for realizing
The consonant output method of digital TV picture described in above-described embodiment one, as detailed above.
Embodiment three
The present invention also provides a kind of storage medium, the storage medium is stored with the consonant output program of digital TV picture, institute
The consonant output program for stating digital TV picture executes the auxiliary of digital TV picture described in above-described embodiment one by processor 10
Sound outputting method；As detailed above.
In conclusion the invention discloses a kind of consonant output method of digital TV picture, DTV and storages to be situated between
Matter, the consonant output method of the digital TV picture include: parsing audio unit code stream, are identified in audio unit code stream
Consonant, and the packet identifier for saving consonant and keynote rail index information corresponding with consonant are to server；Play instruction is received, from
All broadcast informations of corresponding program are obtained in database, and program is played according to the broadcast information；Obtain consonant switch letter
Breath obtains all keynote rail index information from server and indexes with the keynote rail if consonant switch is arranged to open
The packet identifier of the corresponding consonant of information；Known according to the packet of keynote rail index information and consonant corresponding with keynote rail index information
Other code configures play parameter, and play parameter is allocated to player, exports audio-frequency information according to play parameter.The present invention is directed to logical
Setting consonant switch and corresponding consonant information are crossed according to flexible controllable audio-frequency information of the output with consonant of difference of picture, is made
It is more lively, true to nature to obtain broadcasting pictures, switches different audio output modes with the difference of picture, it is flexibly controllable, not only realize
TV original function, also flexibly controls different audio output modes, and enhancing consumer products experience meets different user need
It asks, facilitates user.
It should be understood that the application of the present invention is not limited to the above for those of ordinary skills can
With improvement or transformation based on the above description, all these modifications and variations all should belong to the guarantor of appended claims of the present invention
Protect range.
Claims (10)
1. a kind of consonant output method of digital TV picture, which comprises the following steps:
Audio unit code stream is parsed, identifies the consonant in audio unit code stream, and save the packet identifier and and consonant of consonant
Corresponding keynote rail index information is to server；
Play instruction is received, all broadcast informations of corresponding program are obtained from database, and play according to the broadcast information
Program；
Consonant switching information is obtained, if consonant switch is arranged to open, all keynote rail index informations are obtained from server
And the packet identifier of consonant corresponding with the keynote rail index information；
Play parameter is configured according to the packet identifier of keynote rail index information and consonant corresponding with keynote rail index information, will be broadcast
Parameter configuration is put to player, audio-frequency information is exported according to play parameter.
2. the consonant output method of digital TV picture according to claim 1, which is characterized in that the parsing audio list
First code stream identifies the consonant in audio unit code stream, and saves the packet identifier and keynote rail rope corresponding with consonant of consonant
Fuse breath is specifically included to server:
Obtain program map table information；
Audio unit code stream to be resolved is determined according to program map table information；
The audio description information for parsing the audio unit code stream, obtains audio decoder configuration information and audio types；
Judge whether audio is consonant according to audio types, if consonant, then saves corresponding packet identifier and corresponding with consonant
Keynote rail index information to server.
3. the consonant output method of digital TV picture according to claim 2, which is characterized in that the acquisition program reflects
Firing table information specifically includes:
Lock the current frequency point of DTV；
Obtain the Program Association Table of current frequency point；
Filtration parameter is set, and Program Association Table is filtered according to the filtration parameter, Program Map Table is obtained with screening
Information.
4. the consonant output method of digital TV picture according to claim 1, which is characterized in that obtained from database
In all broadcast informations of corresponding program, all played datas other than consonant are set.
5. the consonant output method of digital TV picture according to claim 1, which is characterized in that the parsing audio list
First code stream identifies the consonant in audio unit code stream, and saves the packet identifier and keynote rail rope corresponding with consonant of consonant
Fuse was ceased to the step of server
Consonant switching information is configured in the server, and audio unit code stream is associated with the foundation of consonant switching information；
According to the association, before playing audio or video corresponding with audio, consonant switching information is obtained first, then play sound
Frequency or video.
6. the consonant output method of digital TV picture according to claim 1, which is characterized in that the acquisition consonant is opened
Close information, if consonant switch is arranged to open, from server obtain all keynote rail index information and with the keynote rail
The packet identifier of the corresponding consonant of index information specifically includes:
Consonant switching information is obtained, judges whether consonant switch identifier is 1；
If 1, then consonant switch is arranged to open, from server obtain all keynote rail index information and with the master
The packet identifier of the corresponding consonant of track index information.
7. the consonant output method of digital TV picture according to claim 6, which is characterized in that further include:
If consonant switch identifier is 0, consonant switch is not switched on, and is obtained all keynote rail index informations from server and is matched
Play parameter is set, so that player only exports audio-frequency information, asynchronous output consonant according to the play parameter.
8. the consonant output method of digital TV picture according to claim 6, which is characterized in that described according to keynote rail
The packet identifier of index information and consonant corresponding with keynote rail index information configures play parameter, and play parameter is allocated to and is broadcast
After the step of putting device, exporting audio-frequency information according to play parameter, further includes:
Obtain keynote rail handover information；
When keynote rail switches over, according to the corresponding relationship of keynote rail index information and the packet identifier of consonant, switching is corresponded to
Consonant packet identifier, and the consonant after switching is re-allocated into player with keynote rail, so that player synchronism output sound
Frequency information and consonant.
9. a kind of DTV, which is characterized in that the DTV includes processor and what is be connected to the processor deposit
Reservoir, the memory are stored with the consonant output program of digital TV picture, and the consonant of the digital TV picture exports journey
For realizing the consonant output side of such as described in any item digital TV pictures of claim 1-8 when sequence is executed by the processor
Method.
10. a kind of storage medium, which is characterized in that the storage medium is stored with the consonant output program of digital TV picture,
For realizing any one of the claim 1-8 number when consonant output program of the digital TV picture is executed by processor
The consonant output method of television image.
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