CN110493655A - A method of customizing subtitle in DVB program - Google Patents
A method of customizing subtitle in DVB program Download PDFInfo
- Publication number
- CN110493655A CN110493655A CN201910759264.8A CN201910759264A CN110493655A CN 110493655 A CN110493655 A CN 110493655A CN 201910759264 A CN201910759264 A CN 201910759264A CN 110493655 A CN110493655 A CN 110493655A
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- Prior art keywords
- subtitle
- dvb
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- information
- bit stream
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- 238000000034 method Methods 0.000 title claims abstract description 21
- 230000006835 compression Effects 0.000 claims abstract description 10
- 238000007906 compression Methods 0.000 claims abstract description 10
- 238000005538 encapsulation Methods 0.000 claims abstract description 4
- 238000006243 chemical reaction Methods 0.000 claims description 7
- 238000005086 pumping Methods 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
Classifications
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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
- H04N21/431—Generation of visual interfaces for content selection or interaction; Content or additional data rendering
- H04N21/4312—Generation of visual interfaces for content selection or interaction; Content or additional data rendering involving specific graphical features, e.g. screen layout, special fonts or colors, blinking icons, highlights or animations
-
- 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
- H04N21/44—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs
- H04N21/4402—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs involving reformatting operations of video signals for household redistribution, storage or real-time display
- H04N21/440236—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs involving reformatting operations of video signals for household redistribution, storage or real-time display by media transcoding, e.g. video is transformed into a slideshow of still pictures, audio is converted into text
-
- 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
- H04N21/4856—End-user interface for client configuration for language selection, e.g. for the menu or subtitles
-
- 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
- H04N21/488—Data services, e.g. news ticker
- H04N21/4884—Data services, e.g. news ticker for displaying subtitles
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Human Computer Interaction (AREA)
- Studio Circuits (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
Abstract
The invention discloses a kind of to customize the method for subtitle method includes the following steps: one, set-top box accesses DVB bit stream data in DVB program；Two, after transport layer gets DVB bit stream data, successively audio compression data and video compression data are obtained by solution agreement, encapsulation format data, decapsulation, then audio compression data is obtained into audio raw data by audio decoder, three, frame layout is used to be laid out as father, bottom is SurfaceView to show video, and the customization information of each user is corresponded to and is stored in user's customization information storage module；The subtitle of displaying format customization information attribute when playing DVB bit stream data.Speech related information in a kind of available DVB bit stream data of method for customizing subtitle in DVB program of the present invention, the corresponding addition subtitle when not containing caption information in DVB program, user can customize information with the size of customized subtitle, pattern, pattern etc., these customize information can correspond to display in subtitle.
Description
Technical field
The present invention relates to the field DVB, especially a kind of method that subtitle is customized in DVB program.
Background technique
DVB(Digital Video Broadcasting, digital video broadcasting) it is a series of states by DVB project maintenance
The DTV Open Standard that border recognizes.The objective of DVB is to design a general digital television system, in this system
Conversion between various transmission modes has simplest mode, as far as possible increase versatility.DVB standard provides complete set
, digital television system specification suitable for different media.DVB digital broadcasting transmission system be utilized including satellite, it is wired,
All general television broadcast transmission mediums including face, SMATV, MNDSD.Their corresponding DVB standards: DVB-S, DVB-
C, DVB-T, DVB-SMATV, DVB-MS and DVB-MC.DVB set-top box refers to be converted into for receiving DVB signal and decoding it
The external device of vision signal (such as AV, S-Video, component etc.).The digital signal of compression can be changed into TV by set-top box
Content, and show on a television set.Signal can come from wire cable, satellite antenna, broadband network and terrestrial broadcasting.
The received content of set-top box other than the image that simulated television can provide, sound is more that digital content can be received, wrap
Include electronic program guides, internet webpage, subtitle etc..It enables users to watch digital television program on existing television set, and
Formula digitlization amusement, education and commercialization activity can be interacted by network.User can meet in viewing DVB program not to be had
Subtitle or subtitle language, font format do not meet the case where viewing habit of user.
The Chinese patent that notification number is CN1642234A discloses a kind of captions process device, but the processing of this subtitle fills
It sets and is only capable of showing different size subtitle image by display properties, cannot show the DVB program word of non-typing caption information
Curtain, the subtitle language that user can not be supported to customize, font format.In addition, the speech recognition technology needle of each hardware vendor
It is almost space state to field of set-top related application scheme.In order to overcome the drawbacks of the prior art, it needs to design one kind to exist
The method of subtitle is customized in DVB program.
Summary of the invention
In order to overcome the defects of the prior art, a kind of method customizing subtitle in DVB program is provided.
The present invention is realized by following proposal:
It is a kind of in DVB program customize subtitle method method includes the following steps:
One, set-top box accesses DVB bit stream data；
Two, after transport layer gets DVB bit stream data, audio pressure successively is obtained by solution agreement, encapsulation format data, decapsulation
Then audio compression data is obtained audio raw data by audio decoder by contracting data and video compression data, by video pressure
Contracting data decode to obtain video original data by video；By the bottom layout of the pumping frame picture of video original data and it is stored in
There is the picture of Subtitle Demonstration that algorithm is compared in memory, judges whether the DVB bit stream data has Subtitle Demonstration；
Three, frame layout is used to be laid out as father, bottom is SurfaceView to show video, adds one on the upper layer Surfaceview
Layout layer includes TextView control in the layout, passes through the android:textSize android of TextView control:
The customization information of textColor android:textStyle attribute display subtitle font believes the customization of each user
Breath is corresponding to be stored in user's customization information storage module；
Four, if there is caption information then obtains user information, it is logged in customization information storage module in advance by obtaining user
Customization information, the subtitle of displaying format customization information attribute when playing DVB bit stream data；
If the audio in bit stream data is converted into text by access voice conversion module, so five, without caption information
Information is customized according to user afterwards and loads converted text information, as the subtitle for playing DVB bit stream data.
The customization information of the user includes size, pattern, pattern.
The voice conversion module includes that voice turns text API or voice turns text SDK.
The invention has the benefit that
Speech related information in a kind of available DVB bit stream data of method for customizing subtitle in DVB program of the present invention, when
Corresponding addition subtitle when caption information is not contained in DVB program, user can be with the size of customized subtitle, pattern, pattern etc.
Information is customized, these customize information can correspond to display in subtitle.
Specific embodiment
The preferred embodiment of the invention is further illustrated below:
It is a kind of in DVB program customize subtitle method method includes the following steps:
One, set-top box accesses DVB bit stream data；
Two, after transport layer gets DVB bit stream data, audio pressure successively is obtained by solution agreement, encapsulation format data, decapsulation
Then audio compression data is obtained audio raw data by audio decoder by contracting data and video compression data, by video pressure
Contracting data decode to obtain video original data by video；By the bottom layout of the pumping frame picture of video original data and it is stored in
There is the picture of Subtitle Demonstration that algorithm is compared in memory, judges whether the DVB bit stream data has Subtitle Demonstration；
Three, frame layout is used to be laid out as father, bottom is SurfaceView to show video, adds one on the upper layer Surfaceview
Layout layer includes TextView control in the layout, passes through the android:textSize android of TextView control:
The customization information of textColor android:textStyle attribute display subtitle font believes the customization of each user
Breath is corresponding to be stored in user's customization information storage module；
Four, if there is caption information then obtains user information, it is logged in customization information storage module in advance by obtaining user
Customization information, the subtitle of displaying format customization information attribute when playing DVB bit stream data；
If the audio in bit stream data is converted into text by access voice conversion module, so five, without caption information
Information is customized according to user afterwards and loads converted text information, as the subtitle for playing DVB bit stream data.
The customization information of the user includes size, pattern, pattern.The customization information of the user further includes language
The configuration informations such as country and color.
The voice conversion module includes that voice turns text API or voice turns text SDK.Voice modulus of conversion in this implementation
Block is that Iflytek voice turns text API or other producer's voices turn text SDK.
The method of the present patent application, which can solve user, does not have the pain spot problem of subtitle, Er Qiezhi in viewing DVB program
Language, the font format etc. that user is held according to the preference of oneself to customize subtitle.
Although having done more detailed elaboration to technical solution of the present invention and having enumerated, it should be understood that for ability
For field technique personnel, modifications to the embodiments described above may be made or uses equivalent alternative solution, this is to those skilled in the art
It is it is clear that these modifications or improvements without departing from theon the basis of the spirit of the present invention, belong to the present invention for member
Claimed range.
Claims (3)
1. a kind of method for customizing subtitle in DVB program, which is characterized in that method includes the following steps:
One, set-top box accesses DVB bit stream data；
Two, after transport layer gets DVB bit stream data, audio pressure successively is obtained by solution agreement, encapsulation format data, decapsulation
Then audio compression data is obtained audio raw data by audio decoder by contracting data and video compression data, by video pressure
Contracting data decode to obtain video original data by video；By the bottom layout of the pumping frame picture of video original data and it is stored in
There is the picture of Subtitle Demonstration that algorithm is compared in memory, judges whether the DVB bit stream data has Subtitle Demonstration；
Three, frame layout is used to be laid out as father, bottom is SurfaceView to show video, adds one on the upper layer Surfaceview
Layout layer includes TextView control in the layout, passes through the android:textSize android of TextView control:
The customization information of textColor android:textStyle attribute display subtitle font believes the customization of each user
Breath is corresponding to be stored in user's customization information storage module；
Four, if there is caption information then obtains user information, it is logged in customization information storage module in advance by obtaining user
Customization information, the subtitle of displaying format customization information attribute when playing DVB bit stream data；
If the audio in bit stream data is converted into text by access voice conversion module, so five, without caption information
Information is customized according to user afterwards and loads converted text information, as the subtitle for playing DVB bit stream data.
2. a kind of method for customizing subtitle in DVB program according to claim 1, it is characterised in that: the user's
Customizing information includes size, pattern, pattern.
3. a kind of method for customizing subtitle in DVB program according to claim 1, it is characterised in that: the voice turns
Mold changing block includes that voice turns text API or voice turns text SDK.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910759264.8A CN110493655A (en) | 2019-08-16 | 2019-08-16 | A method of customizing subtitle in DVB program |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910759264.8A CN110493655A (en) | 2019-08-16 | 2019-08-16 | A method of customizing subtitle in DVB program |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110493655A true CN110493655A (en) | 2019-11-22 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910759264.8A Pending CN110493655A (en) | 2019-08-16 | 2019-08-16 | A method of customizing subtitle in DVB program |
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| Country | Link |
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| CN (1) | CN110493655A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111818280A (en) * | 2020-07-10 | 2020-10-23 | 珠海迈科智能科技股份有限公司 | DVB subtitle customizing system and subtitle customizing method |
| CN112672099A (en) * | 2020-12-31 | 2021-04-16 | 深圳市潮流网络技术有限公司 | Subtitle data generation and presentation method, device, computing equipment and storage medium |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111818280A (en) * | 2020-07-10 | 2020-10-23 | 珠海迈科智能科技股份有限公司 | DVB subtitle customizing system and subtitle customizing method |
| CN112672099A (en) * | 2020-12-31 | 2021-04-16 | 深圳市潮流网络技术有限公司 | Subtitle data generation and presentation method, device, computing equipment and storage medium |
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Application publication date: 20191122 |