CN1236600C - Auxiliary information processing system with bitmapped on-screen display using limited computing resources - Google Patents
Auxiliary information processing system with bitmapped on-screen display using limited computing resources Download PDFInfo
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- CN1236600C CN1236600C CNB018106250A CN01810625A CN1236600C CN 1236600 C CN1236600 C CN 1236600C CN B018106250 A CNB018106250 A CN B018106250A CN 01810625 A CN01810625 A CN 01810625A CN 1236600 C CN1236600 C CN 1236600C
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G5/00—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators
- G09G5/34—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators for rolling or scrolling
- G09G5/343—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators for rolling or scrolling for systems having a character code-mapped display memory
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G5/00—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators
- G09G5/22—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators characterised by the display of characters or indicia using display control signals derived from coded signals representing the characters or indicia, e.g. with a character-code memory
- G09G5/222—Control of the character-code memory
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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
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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
- H04N21/435—Processing of additional data, e.g. decrypting of additional data, reconstructing software from modules extracted from the transport stream
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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
- H04N21/47—End-user applications
- H04N21/488—Data services, e.g. news ticker
- H04N21/4884—Data services, e.g. news ticker for displaying subtitles
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards
- H04N5/445—Receiver circuitry for the reception of television signals according to analogue transmission standards for displaying additional information
- H04N5/44504—Circuit details of the additional information generator, e.g. details of the character or graphics signal generator, overlay mixing circuits
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/08—Systems for the simultaneous or sequential transmission of more than one television signal, e.g. additional information signals, the signals occupying wholly or partially the same frequency band, e.g. by time division
- H04N7/087—Systems for the simultaneous or sequential transmission of more than one television signal, e.g. additional information signals, the signals occupying wholly or partially the same frequency band, e.g. by time division with signal insertion during the vertical blanking interval only
- H04N7/088—Systems for the simultaneous or sequential transmission of more than one television signal, e.g. additional information signals, the signals occupying wholly or partially the same frequency band, e.g. by time division with signal insertion during the vertical blanking interval only the inserted signal being digital
- H04N7/0884—Systems for the simultaneous or sequential transmission of more than one television signal, e.g. additional information signals, the signals occupying wholly or partially the same frequency band, e.g. by time division with signal insertion during the vertical blanking interval only the inserted signal being digital for the transmission of additional display-information, e.g. menu for programme or channel selection
- H04N7/0885—Systems for the simultaneous or sequential transmission of more than one television signal, e.g. additional information signals, the signals occupying wholly or partially the same frequency band, e.g. by time division with signal insertion during the vertical blanking interval only the inserted signal being digital for the transmission of additional display-information, e.g. menu for programme or channel selection for the transmission of subtitles
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G5/00—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators
- G09G5/22—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators characterised by the display of characters or indicia using display control signals derived from coded signals representing the characters or indicia, e.g. with a character-code memory
- G09G5/30—Control of display attribute
Abstract
A system for processing auxiliary information included in a television signal provides on-screen bitmapped displays using limited computing and memory resources. According to an exemplary embodiment, closed caption data is received in a vertical blanking interval (VBI) of a television signal or in one or more packets of digital data. A display list is generated in dependence upon the received closed caption data. The display list includes a bitmap pointer which points to bitmap data in a memory. The display list may also include: resolution data indicating a number of bits per pixel to be provided in the closed caption display, height data indicating a character height in pixels for the closed caption display, and width data indicating a character width in pixels for the closed caption display. The bitmap data is output as pixel data for the closed caption display. The closed caption display may be scrolled by manipulating the bitmap pointer.
Description
Technical field
The present invention relates generally to enable to carry out such as (the on-screen displays of the screen display in the system of TV-signal receiver, OSDs), more specifically say, the supplementary that is used to provide such as closed-caption or teletext is provided, has the method and system of the bitmap OSD that uses limited computational resource.
Background technology
Information display image in the signal of telecommunication that receives according to the system that is included in such as the system of TV-signal receiver.Except master image, such system also can provide the demonstration such as the supplementary of closed-caption or teletext.Need to produce the supplementary composition that the supplementary data presented is included as TV signal.Data definition with the information that is shown be shown the form of information.
The other types of supplementary also can be included in the image that is shown.For example, teletext also can be shown.And, can be shown program such as the information of electronic program guides to notify the televiewer Gong to watch.Need to produce the supplementary composition that such data presented also can be included as TV signal.Such supplementary can be included within the special part of TV signal, such as the vertical blanking interval in the analogue system (VBI) or as the particular packet of data in the digital system.
Some type of supplementary can be used for producing the image that is shown, and its representative appears at the information in the display program that TV signal provides in real time.For example, TV character broadcast data or closed-caption data can be extracted from TV signal and decode and be associated with the videotex of the captions form of video frequency program with generation.Captions provide the visual representation of the real-time audio program component of TV programme.Such real time information needs that the real-time update of text display is received as supplementary on the screen.Other features that should be supported in order to the supplementary of demonstration such as closed-caption are supplementary characteristics showed or format parameter, and it is also defined by supplementary and can real time altering.The example of such display characteristic comprises smooth rolling, italics, underlines, the various foreground/background color combination of every character and character blinking.
Although bitmap OSD system can comprise these features, still exist and a kind of so relevant problem of system that is used for closed-caption of use.For example, in traditional bitmap OSD system, aforementioned indicating characteristic can utilize effective CPU (CPU) and memory resource.Traditional bitmap display system is typically stored each pixel in the display buffer in memory, such as random asccess memory (RAM).Display buffer typically comprise be used for each pixel many bytes to describe its color and transparent characteristic.For a change screen is given the demonstration of certain portions, and that part of pixel data of screen must be changed in display buffer.This typically needs new pixel data to be moved to the display buffer from another memory location.CPU and memory bus bandwidth that the mobile use of this pixel data is a large amount of.If system does not possess enough CPU speed or memory bandwidth, move and just can not carry out fast enough, thereby cause display performance slow on the screen and/or other undesirable effects.This class performance is unacceptable for auxiliary information processing system, and it needs, and the real-time update of text display is received as supplementary on the screen.Correspondingly, need provide auxiliary information processing system at the use bitmap OSD of these and other problem.
Summary of the invention
The invention provides a kind of system that is used to handle the supplementary composition of TV signal, it provides the screen bitmap that uses limited calculating and memory resource to show.According to exemplary embodiment, be received in one or more groupings of supplementary in the vertical blanking interval (VBI) of TV signal or in numerical data.Depend on received supplementary and generate a display list.This display list comprises a bitmap (bitmap) pointer, and it points to the data bitmap in the memory.This display list also can comprise: the resolution data of every pixel bit number that will be provided during the indication supplementary shows, indicate the altitude information of the pixel character height that is used for the supplementary demonstration and the width data that indication is used for the pixel character duration of supplementary demonstration.Data bitmap is output as the pixel data that is used for the supplementary demonstration.Supplementary shows and can be rolled by handling the bitmap pointer.
Specifically, the invention provides a kind of method that is used for showing the supplementary that is included in TV signal, comprise step: receive supplementary; Generate a display list according to the supplementary that is received, wherein this display list comprises the bitmap pointer of a data bitmap in the sensing memory; Be used to produce the demonstration of representing supplementary as pixel data with the output bitmap data.
The present invention also provides a kind of system that is used for showing the supplementary that is included in TV signal, comprises: a memory; A controller is used to receive supplementary and generates a display list according to the supplementary that is received, and wherein this display list comprises the bitmap pointer of a data bitmap in the sensing memory; Be used for the output bitmap data as supplementary to produce the circuit of the demonstration represent supplementary.
The present invention also provides a kind of processing to be included in the method for the supplementary in the TV signal, comprises step: extract supplementary from TV signal, wherein supplementary comprises the data that representative is included in the real time information composition of the TV programme in the TV signal; Generate a display list according to the supplementary that is received, wherein this display list comprises the bitmap pointer of a data bitmap in the sensing memory; With the output bitmap data as pixel data, be used to produce the demonstration of the real time information composition of representing TV programme.
Preferably, supplementary comprises the information of representing TV signal real time information composition.
Preferably, supplementary comprises the closed-caption data, and wherein the closed-caption data are received in the vertical blanking interval of TV signal.
Preferably, supplementary comprises the closed-caption data, and wherein the closed-caption data are received in one or more groupings of numerical data.
Preferably, supplementary comprises the information that is associated with the real time information composition of TV signal.
Preferably, the information that is associated with the real time information composition comprises the closed-caption data, and wherein the closed-caption data are received in the vertical blanking interval of TV signal.
Preferably, the information that is associated with the real time information composition comprises the closed-caption data, and wherein the closed-caption data are received in one or more groupings of numerical data.
Preferably, the real time information composition comprises the audio program composition of TV programme, and wherein supplementary comprises closed-caption data or TV character broadcast data.
Preferably, supplementary comprises representative response pixel data and the information of the display characteristic that produces, and wherein generates display list and comprise that the response supplementary revises display list, is used for the real-time update display characteristic.
Description of drawings
Above-mentioned and other feature and advantage of the present invention, and the mode that realizes them will the following examples by the reference connection with figures describe becoming clearer, and the present invention will be better understood, wherein:
Fig. 1 is applicable to the schematic diagram of realizing system of the present invention relevant portion;
Fig. 2 is the schematic block diagram of the further details of explanation system shown in Figure 1;
Fig. 3 is the flow chart of summarizing the overall operation of system shown in Fig. 1 and 2;
Fig. 4 is an exemplary closed-caption demonstration according to the principle of the invention;
Fig. 5 is an exemplary closed-caption font memory according to the principle of the invention; With
Fig. 6 A to 6D represents a rolling process according to the principle of the invention.
Here the illustration of Ti Chuing has been illustrated the preferred embodiments of the present invention, and such illustration and the category that is construed as limiting the invention never in any form.
Embodiment
In the following description, exemplary embodiment of the present invention is described in the environment of closed-caption system.But clearly, the present invention also is applicable to the other types supplementary such as teletext.
With reference now to accompanying drawing,, especially Fig. 1 is applicable to that the schematic diagram of realizing a system of the present invention is illustrated.In Fig. 1, comprise controller 10 such as the system 100 of TV-signal receiver, it can be realized by one or more integrated circuits (ICs).Tuner 11 extracts the closed-caption data from the vision signal of introducing, and the closed-caption data of extracting are offered controller 10.The closed-caption data can be from the special extracting section of vision signal, such as one or more groupings of numerical data in vertical blanking interval in the analogue system (VBI) or the digital system.Read-only memory (ROM) 12 storage bitmap and font data, and also store the program of carrying out by controller 10, to show according to principle of the invention analysis (parse) closed-caption data and generation closed-caption.Random-access memory (ram) 13 is according to the principle of the invention storage bitmap data and display list of being generated by controller 10 during producing the process that closed-caption shows.As what hereinafter further specify, the use of display list system allows the software developer will be divided into the rectangular area that is called tile (tiles) such as the viewing area of video screen.Each tile can possess following descriptor: bitmap pointer, palette position mark, resolution, height and width.Character bitmap position among ROM12 that will be shown in the bitmap pointed tile or the RAM 13.Palette position mark is specified the color and/or the transparency attribute of special tile.Resolution is specified the bit number of the every pixel of bitmap that will be shown.According to the preferred embodiment, the resolution of each tile is preferably every pixel one bit, uses with minimizing memory.The height of a tile in the height specified pixel.The width of a tile in the width specified pixel.According to a preferred embodiment, closed-caption is shown as 15 row grids of 34 character cells, and each unit is identical vertical and horizontal size, 26 * 16 pixels.In the system 100 of Fig. 1, each of these closed-caption character cells is implemented as single tile.Special character effect is implemented as the character glyphs of separating among the ROM 12 such as underlining with italics.
Forward Fig. 2 now to, system shown in Figure 1 100 further details are described.Specifically, Fig. 2 has illustrated the additional detail of controller 10.Controller 10 comprises the closed-caption analyzer of realizing with software 14, and it analyzes the closed-caption data of introducing, to generate the display list among the RAM 13.As previously mentioned, display list comprises the data of representing closed-caption to show and be arranged, so that each closed-caption character cell can comprise the following descriptor of definition in front: bitmap pointer, palette position mark, resolution, height and width.Tabulation analyzer 15 is by providing address information from RAM 13 retrieval display list data to storage control 16.Tabulation analyzer 15 is analyzed display list to extract bitmap pointer and palette position mark.Tabulation analyzer 15 transmits the bitmap pointer that extracts and gives data extract person (fetcher) 17.The data bitmap that data extract person 17 receives from ROM 12 or RAM 13 by storage control 16 according to the bitmap pointer that is provided by tabulation analyzer 15.Data extract person 17 will send pixel register 18 to as the received data bitmap of independent pixel data.Pixel register 18 also receives the palette position that the is extracted mark from tabulation analyzer 15, and based on first-in first-out (FIFO) pixel data and palette position mark is exported to palette memory 19.Palette position mark is operated to read the pixel data of palette memory 19 as address pointer.As shown in Figure 2, palette memory 19 comprises the palette specific items 0 to N of predetermined number.Each palette project is corresponding to given color and/or transparency attribute.Digital to analog converter (DAC) 20 is read the pixel data of palette memory 19, carries out the digital-to-analogue transfer process, and the output analog result is given the display part of system 100.Simulation output can be the form such as RGB (promptly red, green, blueness).
Aforementionedly be used to show that the system 100 of closed-caption character has the some advantages that surmount conventional art.For example, character bitmap not submitted in the OSD buffer storage (render).As an alternative, the content of given character cell is changed by the bitmap pointer of the suitable character cell of simple change.This is than traditional bitmap submitted techniques save to effective CPU time of implementation and memory.And in system 100, the color that changes the closed-caption character only needs the palette position mark of character cell to be changed.This technology also is used to change the background color of closed captioned test, and is used to as expecting blinking character apace.Moreover this has saved the effective CPU time of implementation and since the dynamic characteristic that closed-caption shows this be very important.
Forward Fig. 3 now to, the flow chart of generalized system 100 routine operations is illustrated.The flow chart of Fig. 3 will be got in touch Fig. 2 and will be described.In step 30, controller 10 receives the closed-caption data.As previously mentioned, the closed-caption data can be received in the special part of vision signal, such as the grouping of the one or more numerical datas in vertical blanking interval in the analogue system (VBI) or the digital system.In step 31, the closed-caption analyzer 14 of controller 10 is analyzed the closed-caption data that received, to generate the display list among the RAM 13.In step 32, tabulation analyzer 15 is retrieved the display list data and is analyzed display list to extract bitmap pointer and palette position mark from RAM 13.Next, in step 33, data extract person 17 reads data bitmap according to the bitmap pointer that is provided by tabulation analyzer 15 from ROM 12 or RAM 13.Subsequently, in step 34, data extract person 17 transmits as the received data bitmap of independent pixel data and gives pixel register 18, and it provides the pixel data and the palette position that are received to mark to palette memory 19.
Forward Fig. 4 now to, show that according to the exemplary closed-caption of of the principle of the invention 40 are illustrated.Especially, closed-caption shows that 40 provide the alphabetic character of two part row.First row comprises alphabetic character " A ", " B ", " C ", " D " and " E ", and second row comprises alphabetic character " M ", " N ", " O ", " P " and " Q ".The character and/or the symbol of numeral and other types also can be provided according to principle of the present invention.
Forward Fig. 5 now to, the content of an exemplary closed-caption font memory is illustrated.Especially, the closed-caption font memory 50 of Fig. 5 illustrated the closed-caption of Fig. 4 show in the details of the first bitmap character cell " A ".This bitmap character cell has showed that vertical dimension is 26 pixels, and horizontal size is 16 pixels.In the present invention, the font memory of Fig. 5 is implemented in the ROM 12 of Fig. 1 and 2 or RAM 13.In Fig. 5, bitmap pointer 51 points to the top row of pixel in the bitmap character cell.As what below will illustrate, the bitmap pointer can be with helping rolling process according to the principle of the invention.
Forward Fig. 6 A to 6D now to, describe rolling process according to the principle of the invention.In Fig. 6 A, bitmap character cell 60 was expressed alphabetic character " A " before rolling process begins.Under this state, the height of bitmap character cell 60 is 26 pixels.In Fig. 6 B, bitmap character cell 61 is expressed alphabetic character " A " after the first step of rolling process.Under this state, the height of bitmap character cell 60 is 24 pixels.In Fig. 6 C, bitmap character cell 62 is expressed alphabetic character " A " after second step of rolling process.Under this state, the height of bitmap character cell 60 is 22 pixels.In Fig. 6 D, bitmap character cell 63 is expressed the bitmap pointer 64,65 and 66 that corresponds respectively to state shown in Fig. 6 A to 6C.That is, the state before bitmap pointer 64 begins corresponding to rolling process, as shown in Figure 6A.Bitmap pointer 65 is corresponding to the state after the rolling process first step, shown in Fig. 6 B.Bitmap pointer 66 is corresponding to the state of rolling process after second step, shown in Fig. 6 C.
Shown in Fig. 6 A to 6D, undertaken by the position of adjusting the bitmap pointer according to rolling process of the present invention.In the exemplary embodiment, each rolling step is shunk the character that is rolled out by top two row that remove pixel.But should be understood that according to principle of the present invention the pixel of different numbers can be removed so that level and smooth rolling process to be provided.In fact, closed captioned test is shown in comprising the frame of a succession of line of text, as shown in Figure 4.When enough texts are received when overflowing current closed captioned test frame, the line of text at top upwards rolls out this frame smoothly, and a new null rolls into this frame from the bottom.This rolling is preferably finished smoothly being enough to provide in the short relatively time cycle of acceptable visible results.Level and smooth rolling needs a series of uniform rolling steps to be performed.According to the present invention, each vertical scrolling step is shunk the character that is rolled by the pixel column that removes some.Horizontal rolling can be with actuation unit/tile width but not the similar manner of their height be done.With traditional bitmap Display Technique, rolling type provided by the invention will need the fast moving of data bitmap piece in the OSD display buffer, thereby utilize effective CPU and memory resource.Use is based on the tile/unit of the technology of the present invention, rolls to be retracted or the height or the width characteristic of the row or column expanded by simple manipulation, and finishes with the pixel row or column of eliminating the character cell that is rolled by handling the bitmap pointer.
Said, the invention provides the remarkable advantage that surmounts traditional closed-caption technology.Although the present invention is described about TV-signal receiver, the present invention is applicable to multiple systems, no matter there is or does not have display unit in these systems, and term used herein " TV-signal receiver " or " television system " are intended to contain various devices and system, it includes but not limited to comprise the television set or the monitor of display unit, and the system or the device that can not comprise display unit such as set-top box, video tape recorder (VTR), digital versatile dish (DVD) player, video game machine or personal video recorder (PVR) etc.
Although the present invention is described to have preferred design, the present invention also can further be revised in this disclosed spiritual scope.Therefore the application is intended to cover any variation, the use that are suitable for that utilizes General Principle of the present invention.And the application is intended to cover the content within known in the art or habitual reality that is derived by disclosure text, and it belongs to the present invention and falls in the limited range of appended claims.
Claims (21)
1. method that is used for showing the supplementary that is included in TV signal comprises step:
Receive supplementary;
Generate a display list based on the supplementary that is received, wherein this display list comprises the bitmap pointer;
From memory, read by data bitmap this bitmap pointer mark, that represent supplementary and
The output bitmap data are used to produce the demonstration of representing supplementary as pixel data.
2. method as claimed in claim 1, wherein supplementary comprises the information of representing TV signal real time information composition.
3. method as claimed in claim 1, wherein supplementary comprises the closed-caption data, and wherein display list further comprises the palette position mark of indicating closing captions Show Color.
4. method as claimed in claim 1, wherein supplementary comprises the closed-caption data, and wherein display list further comprises the resolution data of every pixel bit number that the indicating closing captions are provided in showing.
5. method as claimed in claim 1, wherein supplementary comprises the closed-caption data, and wherein display list further comprises the altitude information of character height in the pixel that the indicating closing captions show.
6. method as claimed in claim 1, wherein supplementary comprises the closed-caption data, and wherein display list further comprises the width data of character duration in the pixel that the indicating closing captions show.
7. method as claimed in claim 1, wherein supplementary comprises the closed-caption data, and further comprises by handling the step that bitmap pointer rolling closed-caption shows.
8. method as claimed in claim 1, wherein supplementary comprises the closed-caption data, and wherein the closed-caption data are received in the vertical blanking interval of TV signal.
9. method as claimed in claim 1, wherein supplementary comprises the closed-caption data, and wherein the closed-caption data are received in one or more groupings of numerical data.
10. system that is used for showing the supplementary that is included in TV signal comprises:
A memory;
A controller, be used to receive supplementary and generate a display list based on the supplementary that is received, wherein this display list comprises the bitmap pointer, and described controller also is used for reading by data bitmap this bitmap pointer mark, that represent supplementary from memory; With
Be used for the output bitmap data and represent the circuit of the demonstration of supplementary as pixel data with generation.
11. as the system of claim 10, wherein supplementary comprises the information that is associated with the real time information composition of TV signal.
12. as the system of claim 11, wherein the information that is associated with the real time information composition comprises the closed-caption data, and wherein display list further comprises the palette position mark of indicating closing captions Show Color.
13. as the system of claim 11, wherein the information that is associated with the real time information composition comprises the closed-caption data, and wherein display list further comprises the resolution data of every pixel bit number that the indicating closing captions are provided in showing.
14. as the system of claim 11, wherein the information that is associated with the real time information composition comprises the closed-caption data, and wherein display list further comprises the altitude information of character height in the pixel that the indicating closing captions show.
15. as the system of claim 11, wherein the information that is associated with the real time information composition comprises the closed-caption data, and wherein display list further comprises the width data of character duration in the pixel that the indicating closing captions show.
16. as the system of claim 11, wherein the information that is associated with the real time information composition comprises the closed-caption data, and wherein the closed-caption demonstration is rolled by handling the bitmap pointer.
17. as the system of claim 11, wherein the information that is associated with the real time information composition comprises the closed-caption data, and wherein the closed-caption data are received in the vertical blanking interval of TV signal.
18. as the system of claim 11, wherein the information that is associated with the real time information composition comprises the closed-caption data, and wherein the closed-caption data are received in one or more groupings of numerical data.
19. a processing is included in the method for the supplementary in the TV signal, comprises step:
Extract supplementary from TV signal, wherein supplementary comprises the data that representative is included in the real time information composition of the TV programme in the TV signal;
Generate a display list based on the supplementary that is received, wherein this display list comprises the bitmap pointer;
From memory, read by data bitmap this bitmap pointer mark, that represent supplementary and
The output bitmap data are used to produce the demonstration of the real time information composition of representing TV programme as pixel data.
20. as the method for claim 19, wherein the real time information composition comprises the audio program composition of TV programme, and wherein supplementary comprises closed-caption data or TV character broadcast data.
21. as the method for claim 20, wherein supplementary comprises representative response pixel data and the information of the display characteristic that produces, and the step that wherein generates display list comprises that the response supplementary revises the step of display list, is used for the real-time update display characteristic.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US20885500P | 2000-06-02 | 2000-06-02 | |
| US60/208,855 | 2000-06-02 |
Publications (2)
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| CN1432255A CN1432255A (en) | 2003-07-23 |
| CN1236600C true CN1236600C (en) | 2006-01-11 |
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| CNB018106250A Expired - Fee Related CN1236600C (en) | 2000-06-02 | 2001-06-01 | Auxiliary information processing system with bitmapped on-screen display using limited computing resources |
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| JP (1) | JP2003536330A (en) |
| KR (1) | KR100846157B1 (en) |
| CN (1) | CN1236600C (en) |
| AU (1) | AU2001275104A1 (en) |
| MX (1) | MXPA02011881A (en) |
| WO (1) | WO2001095617A2 (en) |
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| CN100433807C (en) * | 2002-05-15 | 2008-11-12 | 汤姆森特许公司 | Close captioning system in windows based graphics system |
| US7616208B2 (en) | 2002-12-18 | 2009-11-10 | Genesys Conferencing Ltd. | Method and system for application broadcast |
| CN1324883C (en) * | 2004-11-17 | 2007-07-04 | 威盛电子股份有限公司 | Apparatus and method for detecting captions rolling |
| CN100367777C (en) * | 2005-02-24 | 2008-02-06 | 威盛电子股份有限公司 | Device and method for detecting real-time captions rolling |
| JP2007133383A (en) * | 2005-10-12 | 2007-05-31 | Matsushita Electric Ind Co Ltd | On-screen signal processing apparatus and broadcast receiver |
| CN100364322C (en) * | 2005-11-21 | 2008-01-23 | 创维数字技术（深圳）有限公司 | Method for dynamically forming caption image data and caption data flow |
| CN101594489A (en) * | 2008-05-30 | 2009-12-02 | 新奥特（北京）视频技术有限公司 | A kind of information dynamic substitution device |
| CN101668132A (en) * | 2008-09-02 | 2010-03-10 | 华为技术有限公司 | Method and system for matching and processing captions |
| EP2773127A1 (en) * | 2013-02-28 | 2014-09-03 | Televic Rail NV | System for visualizing data |
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| JP3580831B2 (en) * | 1992-08-03 | 2004-10-27 | 株式会社テクニカルアドバンス | Gaming machine |
| JP3402533B2 (en) * | 1994-08-10 | 2003-05-06 | シャープ株式会社 | Teletext broadcast special playback device and teletext broadcast special playback device |
| CN1178477C (en) * | 1996-05-03 | 2004-12-01 | 三星电子株式会社 | Closed-caption broadcasting and receiving method suitable for syllable characters |
| US5946051A (en) * | 1997-06-02 | 1999-08-31 | Telecruz Technology, Inc. | Method and apparatus for enabling a user to access data network applications from a television system |
| JP2000036940A (en) * | 1998-07-17 | 2000-02-02 | Toshiba Corp | Computer system and decoder |
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- 2001-06-01 CN CNB018106250A patent/CN1236600C/en not_active Expired - Fee Related
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| WO2001095617A2 (en) | 2001-12-13 |
| CN1432255A (en) | 2003-07-23 |
| WO2001095617A3 (en) | 2002-06-06 |
| JP2003536330A (en) | 2003-12-02 |
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