CN102892035A - Method for configuring system data, digital television receiving terminal and front-end system - Google Patents
Method for configuring system data, digital television receiving terminal and front-end system Download PDFInfo
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- CN102892035A CN102892035A CN2012103491561A CN201210349156A CN102892035A CN 102892035 A CN102892035 A CN 102892035A CN 2012103491561 A CN2012103491561 A CN 2012103491561A CN 201210349156 A CN201210349156 A CN 201210349156A CN 102892035 A CN102892035 A CN 102892035A
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Abstract
The invention discloses a method for configuring system data of a digital television, as well as a receiving terminal and a front-end system, which comprises the steps of: acquiring system data which is configured by a current program by the digital television receiving terminal from the front-end system of the digital television; judging whether the system data which is configured by the current program and is acquired by the front-end system of the digital television is identical to system data which is configured by the digital television receiving terminal; if not, configuring the system data of the digital television receiving terminal depending on the system data which is configured by the current program and is acquired by the digital television front-end system; and playing the current program by the digital television receiving terminal depending on the configured system data. In this way, a good playing effect can be achieved without a manual system configuration of the user.
Description
Technical field
The present invention relates to the digital television techniques field, particularly relate to method, receiving terminal for digital television and the front end system of the system data configuration of a kind of receiving terminal for digital television and front end system.
Background technology
Digital Television is the technology of a comparative maturity, and the system data configuration feature in the Digital Television is the function that the user commonly uses.Under prior art, because the diversity of the video encoding of Digital Television often needs the user to adjust the system data of receiving terminal for digital television, just can reach the best and watch effect.At present, it all is that the user is configured in menu manually that receiving terminal for digital television carries out system data configuration, such as Switch Video the ratio of width to height, sound channel is set and video resolution etc. is set, all arranges in the system data configuration.
The present inventor finds in research and development: (1) manually arranges the system data inconvenience; When (2) layman arranges system data, because setting is not right, can not reaches the best and watch effect, experience thereby affect the user.
Summary of the invention
The technical problem that the present invention mainly solves provides method, receiving terminal for digital television and the front end system of the system data configuration of a kind of receiving terminal for digital television and front end system, can not need the user manually to carry out the system data configuration, and reach preferably result of broadcast.
For solving the problems of the technologies described above, the technical scheme that the present invention adopts is: a kind of method of system data configuration is provided, comprises: make receiving terminal for digital television obtain the system data of current program configuration from digital television front-end system; Whether the system data of judging described current program configuration of obtaining from digital television front-end system is identical with the system data that receiving terminal for digital television configures; If not identical with the system data of receiving terminal for digital television configuration, the system data that then configures according to the described current program that obtains from digital television front-end system configures the system data of described receiving terminal for digital television; Make described receiving terminal for digital television play described current program according to the system data that has configured.
Wherein, the described step that makes receiving terminal for digital television obtain the system data of current program configuration from digital television front-end system, specifically comprise: make the Program Map Table of the current program of described receiving terminal for digital television resolution digital television headend system, obtain the system data of described current program configuration.
Wherein, before the described step that makes receiving terminal for digital television obtains the configuration of current program from digital television front-end system system data, comprising: make described receiving terminal for digital television switch to described current program according to user instruction.
For solving the problems of the technologies described above, another technical solution used in the present invention is: the method for a kind of digital television front-end system to system data is configured is provided, comprises: the system data to each program is configured; The system data that described each program has been configured is added in the Program Map Table of described program.
Wherein, the described system data that described each program has been configured is added on the step in the Program Map Table of described program, comprise: during the ground floor circulation program that the system data that described each program has been configured is added on the Program Map Table of described program was described, the second layer that perhaps is added on the Program Map Table of described program circulated in the basic stream description.
Wherein, the described step that the system data of each program is configured comprises: the system data to each program is configured, and described system data comprises display format, sound channel and resolution at least.
For solving the problems of the technologies described above, another technical scheme that the present invention adopts is: a kind of receiving terminal for digital television is provided, comprises: acquisition module is used for obtaining the system data that current program configures from digital television front-end system; Judge module is for judging whether the system data that the described current program that obtains from digital television front-end system configures is identical with the system data of described terminal configuration; Configuration module is used for when not identical with the system data of described terminal configuration, configures the system data of described terminal according to the system data of described current program configuration of obtaining from digital television front-end system; Playing module is used for playing described current program according to the system data that has configured.
Wherein, described acquisition module specifically is used for the Program Map Table of the current program of resolution digital television headend system, obtains the system data of described current program configuration.
For solving the problems of the technologies described above, another technical scheme that the present invention adopts is: a kind of digital television front-end system is provided, comprises: configuration module is used for the system data of each program is configured; Add module, be used for the system data that described each program has configured is added on the Program Map Table of described program.
Wherein, the system data that described interpolation module specifically is used for will described each program having configured is added on the ground floor circulation program description of the Program Map Table of described program, and the second layer that perhaps is added on the Program Map Table of described program circulates in the basic stream description.Described configuration module specifically is used for the system data of each program is configured, and described system data comprises display format, sound channel and resolution at least.
The invention has the beneficial effects as follows: the situation that is different from prior art, digital television front-end system of the present invention is configured the system data of each program, and the system data that will configure is added in the Program Map Table of described program, can exempt manually that system data is configured; If the system data that the current program that obtains from front end system configures is not identical with the system data of receiving terminal for digital television configuration, then behind the system data of the current program configuration that receiving terminal is configured to obtain, play current program, in this way, can automatically finish the configuration of receiving terminal system data, do not need the user manually to carry out the system data configuration, and reach preferably result of broadcast, promoted user's experience.
Description of drawings
Fig. 1 is the flow chart of method one execution mode of receiving terminal for digital television system data configuration of the present invention;
Fig. 2 is the flow chart of another execution mode of method of receiving terminal for digital television system data configuration of the present invention;
The flow chart of Fig. 3 method one execution mode that to be digital television front-end system of the present invention be configured system data;
Fig. 4 is the structural representation of receiving terminal for digital television one execution mode of the present invention;
Fig. 5 is the structural representation of digital television front-end system one execution mode of the present invention;
Fig. 6 is the structural representation of digital television system one execution mode of the present invention.
Embodiment
The present invention is described in detail below in conjunction with drawings and embodiments.
See also Fig. 1, Fig. 1 is the flow chart of method one execution mode of receiving terminal for digital television system data configuration of the present invention, and present embodiment is the flow chart of receiving terminal for digital television, comprising:
Step S101: make receiving terminal for digital television obtain the system data of current program configuration from digital television front-end system;
After receiving the order of switching program, receiving terminal for digital television obtains the system data of the current program configuration of digital television front-end system transmission, and the system data of described current program is that digital television front-end system configures according to programme content.
Step S102: whether the system data of judging described current program configuration of obtaining from digital television front-end system is identical with the system data that receiving terminal for digital television configures;
Whether the system data of the relatively more local configuration of receiving terminal for digital television is identical with the system data of the current program configuration of obtaining from digital television front-end system, if both system datas are not identical, enters step S103.
Step S103: if not identical with the system data of receiving terminal for digital television configuration, the system data that then configures according to the described current program that obtains from digital television front-end system configures the system data of described receiving terminal for digital television;
If the system data that the current program that obtains from digital television front-end system configures is not identical with the system data of receiving terminal for digital television configuration, then configure the system data of receiving terminal for digital television according to the system data of the current program configuration of obtaining from digital television front-end system.Such as: the display format of the current program that obtains from digital television front-end system is 16:9, the display format of receiving terminal for digital television is 4:3, both display formats are not identical, then according to the display format 16:9 of the current program that obtains from digital television front-end system, configure the display format of receiving terminal for digital television, so that the display format of receiving terminal for digital television also is 16:9.
Step S104: make described receiving terminal for digital television play described current program according to the system data that has configured.
Receiving terminal for digital television is play described current program according to the system data that has configured, for example: the system data that receiving terminal for digital television has configured is: display format is 16:9, sound channel is stereo, resolution is 1080P, then to play the display format of described current program be 16:9 to receiving terminal for digital television, sound channel is stereo, and resolution is 1080P.
In the present embodiment, receiving terminal for digital television obtains the system data of the current program configuration of digital television front-end system transmission, whether the system data of judging the current program configuration that this obtains is identical with the system data of receiving terminal for digital television configuration, if not identical, then receiving terminal for digital television is according to the system data of the system data configuration receiving terminal for digital television of this current program configuration of obtaining.In this way, can automatically finish the configuration of receiving terminal system data, not need the user manually to carry out the system data configuration, and reach preferably result of broadcast, promote user's experience.
See also Fig. 2, Fig. 2 is the flow chart of another execution mode of method of receiving terminal for digital television system data configuration of the present invention, and present embodiment is the flow chart of receiving terminal for digital television, comprising:
Step S201: make described receiving terminal for digital television switch to described current program according to user instruction;
Receiving terminal for digital television carries out program according to user instruction and switches, user instruction can be that the user sends the instruction of switching program by remote controller, perhaps, be that the user passes through the receiving terminal for digital television front panel keys, send the instruction of switching program to receiving terminal for digital television.Receiving terminal for digital television carries out program according to described instruction and switches.
Step S202: make receiving terminal for digital television obtain the system data of current program configuration from digital television front-end system;
Step S202 specifically comprises the Program Map Table of the current program that makes receiving terminal for digital television resolution digital television headend system, obtains the system data of described current program configuration.Such as: described system data is display format or sound channel or resolution.The Program Map Table of the current program of receiving terminal for digital television resolution digital television headend system obtains the display format of described current program configuration or the data of sound channel or resolution.
Step S203: whether the system data of current program configuration of judging digital television front-end system is identical with the system data that receiving terminal for digital television configures;
Whether the system data of current program configuration of judging digital television front-end system is identical with the system data that receiving terminal for digital television configures, if the system data of the current program configuration of digital television front-end system is identical with the system data of receiving terminal for digital television configuration, then execution in step S206; Otherwise, execution in step S204.
Step S204: if not identical with the system data of receiving terminal for digital television configuration, the system data that then configures according to the current program that obtains from digital television front-end system configures the system data of receiving terminal for digital television;
Such as: the display format of the current program that obtains from digital television front-end system is not identical with the display format of receiving terminal for digital television, then according to the data of the display format of the current program configuration of obtaining from digital television front-end system, configure the display format of receiving terminal for digital television.
Step S205: make described receiving terminal for digital television play described current program according to the system data that has configured.
Step S206: if identical with the system data of receiving terminal for digital television configuration, then make receiving terminal for digital television directly play described current program according to the system data of this locality configuration.
If the system data that the current program that obtains from digital television front-end system configures is identical with the system data of receiving terminal for digital television configuration, then receiving terminal for digital television does not need to reconfigure, and can directly play current program according to the system data of this locality configuration.
In the present embodiment, receiving terminal for digital television obtains the system data of current program configuration from digital television front-end system, and whether the system data of judging the current program configuration that this obtains is identical with the system data of receiving terminal for digital television configuration, if not identical, then receiving terminal for digital television is according to the system data of the system data configuration receiving terminal for digital television of this current program configuration of obtaining.In this way, can automatically finish the configuration of receiving terminal system data, not need the user manually to carry out the system data configuration, digital TV terminal just can be play described current program, and reaches preferably result of broadcast, has promoted user's experience.
See also Fig. 3, the flow chart of Fig. 3 method one execution mode that to be digital television front-end system of the present invention be configured system data, present embodiment is the flow chart of digital television front-end system, comprising:
Step S301: the system data to each program is configured; System data comprises display format, sound channel and resolution at least.Display format is used for providing the ratio of width to height of video, and according to the difference of display format, the value of the ratio of width to height can be 4:3,16:9 etc.; Sound channel refers to sound relatively independent audio signal in different spatial collection or playback when recording or play, and different according to the sound channel field, sound channel generally has L channel, R channel, stereo and compound voice; Resolution refers to the measure of precision of screen picture, and different according to the resolution field, the value of resolution can be 480P, 576i, 720P, 1080i, 1080P etc., and wherein, i refers to interleaved signal, and p refers to the signal of lining by line scan.
In actual applications, system data is except above-mentioned display format, sound channel and resolution, can also comprise brightness, colourity, saturation, TV the Output system, (OSD of screen video control system, On-Screen Display) transparent rate, change typhoon lattice etc., can these system datas be configured according to user's demand.
System data to each program is configured, and can represent the form of the system data of each program with the system data description symbol.The system data description symbol has the standard syntax structure in the special information table/service information list of program (PSI/SI, Program Specific Information/Service Information), is the main body that consists of PSI/SI.The universal architecture of descriptor all is to begin with descriptor tag (descriptor tag) field and descriptor length (descriptor length) field of closelying follow thereafter.
The system data description symbol provides the syntactic definition such as table 1 in the present embodiment:
Table 1: the syntactic definition of descriptor
| Statement | Title | Length/bit |
| System_setting_descriptor | System arranges descriptor | |
| descriptor_tag | Descriptor tag | 8 |
| descriptor_length | Descriptor length | 8 |
| display_format | Display format | 8 |
| track | Sound channel | 8 |
| resolution | Resolution | 8 |
| reserved_for_use | Keep and use | 32 |
Above descriptor statement, display format, sound channel and resolution have only been defined, situation according to actual needs, can also add other system data, add brightness and the colourity that Digital Television shows such as needs, then can use (reserved_for_use) field to add in above-mentioned reservation.
By the configuration to system data, make each program that the effect of watching of its best be arranged.Such as: the best of central authorities' one cover watches that effect is that display format is 16:9, and the best of central authorities' two covers watches that effect is that display format is 4:3.If not the professional person, be not easy to expect difference wherein, thereby can not reach the best effect of watching.If but the professional person is configured for the system data of each program at front end system, then can make each program reach the best effect of watching at receiving terminal for digital television.
Step S302: the system data that described each program has been configured is added in the Program Map Table of described program;
In digital television signal, the corresponding multi-channel program of one road code stream.A physical channel can only provide the road transport stream that comprises multi-channel program, watch a certain road program wherein, also must extract the compressed package of this road program from this transport stream, and then decode.
Program Map Table is included in the transport stream (TS, Transport Stream), can obtain the information that comprises in one road program by Program Map Table, and for example, this road program consists of type (such as video, audio frequency, data etc.) with these streams by which stream.
During the ground floor circulation program that the system data that each program has been configured is added on the Program Map Table of program was described, the second layer that perhaps is added on the Program Map Table of program circulated in the basic stream description.
The present embodiment digital television front-end system is configured for the system data of each program, and the system data that each program has configured is added in the Program Map Table of program, can exempt manually that system data is configured.
In addition, in digital television system, it is that receiving terminal in Digital Television carries out that the system data of program is configured always, normally receiving terminal adopts the system data of an acquiescence that program is play, if the user need to revise system data, then be configured with manual mode by user oneself, the user is the layman normally, adopt the system data broadcast program of user oneself configuration, usually also do not reach preferably result of broadcast.The receiving terminal that the system data of program is configured in Digital Television carries out, this thinking should be a kind of fixedly thoughtcast, also be a kind of technology prejudice, the present invention has overcome this technology prejudice, creatively will be configured the system data of program and transfer to digital television front-end system, the professional person carries out system configuration to program, can be so that program reaches best result of broadcast as far as possible.
See also Fig. 4, Fig. 4 is the structural representation of receiving terminal for digital television one execution mode of the present invention, and as shown in the figure, receiving terminal for digital television of the present invention comprises: acquisition module 401, judge module 402, configuration module 403 and playing module 404.
The acquisition module 401 concrete Program Map Tables that are used for the current program of resolution digital television headend system obtain the system data of current program configuration.
Whether judgement is identical with the system data of described digital TV terminal configuration from the system data of the current program configuration that digital television front-end system obtains.Such as: whether judgement is identical with the display format of receiving terminal for digital television configuration from the display format of the current program configuration that digital television front-end system obtains.
If the system data that the current program that obtains from digital television front-end system configures is not identical with the system data of receiving terminal for digital television configuration, then configure the system data of receiving terminal for digital television according to the system data of the current program configuration of obtaining from digital television front-end system.
Playing module 404 is used for playing described current program according to the system data that has configured;
The system data that playing module has configured according to receiving terminal for digital television is play described current program, such as: play current program according to the display format that receiving terminal for digital television has configured.
The receiving terminal for digital television of present embodiment obtains the system data of current program configuration from digital television front-end system, and whether the system data of judging the current program configuration that this obtains is identical with the system data of receiving terminal for digital television configuration, if not identical, then receiving terminal for digital television is according to the system data of the system data configuration receiving terminal for digital television of this current program configuration of obtaining.In this way, can automatically finish the configuration of receiving terminal system data, not need the user manually to carry out the system data configuration, digital TV terminal just can be play described current program, and reaches preferably result of broadcast, has promoted user's experience.
See also Fig. 5, Fig. 5 is the structural representation of digital television front-end system one execution mode of the present invention, and as shown in the figure, digital television front-end system of the present invention comprises: configuration module 501 and interpolation module 502.
Wherein, configuration module 501 specifically is used for the system data of each program is configured, and system data comprises display format, sound channel and resolution at least.In actual applications, system data can also comprise brightness, colourity, saturation, TV Output system, OSD transparent rate and change typhoon lattice etc.
Add the Program Map Table that module 502 is used for the system data that described each program has configured is added on described program;
Add the concrete ground floor circulation program that is used for the system datas that each program has configured are added on the Program Map Table of program of module 502 and describe, the second layer that perhaps is added on the Program Map Table of program circulates in the basic stream description.
The present embodiment digital television front-end system is configured for the system data of each program, and the system data that each program has configured is added in the Program Map Table of program, can exempt manually that system data is configured.
In digital television system, it is that receiving terminal in Digital Television carries out that the system data of program is configured always, this thinking should be a kind of fixedly thoughtcast, also be a kind of technology prejudice, the present invention has overcome this technology prejudice, creatively will be configured the system data of program and transfer to digital television front-end system, the professional person carries out system configuration to program, can be so that program reaches best result of broadcast as far as possible.
See also Fig. 6, Fig. 6 is the structural representation of digital television system one execution mode of the present invention.As shown in the figure, digital television system of the present invention comprises: digital television front-end system 601 and receiving terminal for digital television 602.
Digital television front-end system 601 is used for the system data of each program of configuration, and the system data that each program has been configured is added in the Program Map Table of described program.
Receiving terminal for digital television 602 obtains the system data of current program configuration from digital television front-end system 601, whether judgement is identical with the system data of receiving terminal for digital television 602 configurations from the system data of the current program configuration that digital television front-end system 601 obtains, if it is not identical with the system data of receiving terminal for digital television configuration, then configure the system data of described receiving terminal for digital television 602 according to the system data of the current program configuration of obtaining from digital television front-end system 601, receiving terminal for digital television 602 is play described current program according to the system data that has configured.
Digital Television of the present invention includes but not limited to the Digital Television take ground digital television broadcast network, cable tv broadcast network and digital video broadcast-satellite network as transmission channel; can also comprise take the Internet or cellular network is the Web TV of transmission channel; both transmission channels are different, but same within the protection range of the embodiment of the invention.
In a word, digital television front-end system of the present invention is configured the system data of each program, and the system data that will configure is added in the Program Map Table of described program.And the system data that the system data of the current program configuration that receiving terminal for digital television obtains from digital television front-end system and receiving terminal for digital television configure is not when identical, configure the system data of receiving terminal for digital television with the system data of the current program configuration of obtaining from digital television front-end system, then come broadcast program according to the system data that has configured, do not need the user manually to carry out the system data configuration, and reach preferably result of broadcast.
The above only is embodiments of the present invention; be not so limit claim of the present invention; every equivalent structure or equivalent flow process conversion that utilizes specification of the present invention and accompanying drawing content to do; or directly or indirectly be used in other relevant technical fields, all in like manner be included in the scope of patent protection of the present invention.
Claims (10)
1. the method for a receiving terminal for digital television system data configuration is characterized in that, comprising:
Make receiving terminal for digital television obtain the system data of current program configuration from digital television front-end system;
Whether the system data of judging described current program configuration of obtaining from digital television front-end system is identical with the system data that receiving terminal for digital television configures;
If not identical with the system data of receiving terminal for digital television configuration, the system data that then configures according to the described current program that obtains from digital television front-end system configures the system data of described receiving terminal for digital television;
Make described receiving terminal for digital television play described current program according to the system data that has configured.
2. method according to claim 1 is characterized in that, the described step that makes receiving terminal for digital television obtain the system data of current program configuration from digital television front-end system specifically comprises:
Make the Program Map Table of the current program of described receiving terminal for digital television resolution digital television headend system, obtain the system data of described current program configuration.
3. method according to claim 1, it is characterized in that, before the described step that makes receiving terminal for digital television obtains the configuration of current program from digital television front-end system system data, comprising: make described receiving terminal for digital television switch to described current program according to user instruction.
4. a digital television front-end system is characterized in that the method that system data is configured, and comprising:
System data to each program is configured;
The system data that described each program has been configured is added in the Program Map Table of described program.
5. method according to claim 4, it is characterized in that, the described system data that described each program has been configured is added on the step in the Program Map Table of described program, comprise: during the ground floor circulation program that the system data that described each program has been configured is added on the Program Map Table of described program was described, the second layer that perhaps is added on the Program Map Table of described program circulated in the basic stream description.
6. method according to claim 4 is characterized in that, the described step that the system data of each program is configured comprises: the system data to each program is configured, and described system data comprises display format, sound channel and resolution at least.
7. a receiving terminal for digital television is characterized in that, described terminal comprises:
Acquisition module is used for obtaining the system data that current program configures from digital television front-end system;
Judge module is for judging whether the system data that the described current program that obtains from digital television front-end system configures is identical with the system data of described terminal configuration;
Configuration module is used for when not identical with the system data of described terminal configuration, configures the system data of described terminal according to the system data of described current program configuration of obtaining from digital television front-end system;
Playing module is used for playing described current program according to the system data that has configured.
8. terminal according to claim 7 is characterized in that, comprising: described acquisition module specifically is used for the Program Map Table of the current program of resolution digital television headend system, obtains the system data of described current program configuration.
9. a digital television front-end system is characterized in that, described front end system comprises:
Configuration module is used for the system data of each program is configured;
Add module, be used for the system data that described each program has configured is added on the Program Map Table of described program.
10. front end system according to claim 9, it is characterized in that, the system data that described interpolation module specifically is used for will described each program having configured is added on the ground floor circulation program description of the Program Map Table of described program, and the second layer that perhaps is added on the Program Map Table of described program circulates in the basic stream description; Described configuration module specifically is used for the system data of each program is configured, and described system data comprises display format, sound channel and resolution at least.
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