CN101867839A - Program signal output method, system, television and glasses - Google Patents
Program signal output method, system, television and glasses Download PDFInfo
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- CN101867839A CN101867839A CN201010190465A CN201010190465A CN101867839A CN 101867839 A CN101867839 A CN 101867839A CN 201010190465 A CN201010190465 A CN 201010190465A CN 201010190465 A CN201010190465 A CN 201010190465A CN 101867839 A CN101867839 A CN 101867839A
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Abstract
The invention applies to the field of signal processing, and provides a signal output method, a system, a television and glasses. The method comprises the following steps: parsing the input different programs into audio and video signals; inputting the audio signals of the parsed different programs to different sound output devices; storing the video signals of the parsed different programs in a cache zone in the unit of frame; alternatively palying the stored video signals of different programs; and when the stored video signals of different programs alternatively play, outputting wireless synchronization signals. The embodiment of the invention can realize the effects that different programs can be simultaneously watched, and each program image exclusively takes a display screen by inputting the audio signals into different sound output devices, storing the video signals in the cache zone and alternatively outputting to the display screen, and utilizing the glasses with the output time sequence which is synchronized with the programs.
Description
Technical field
The invention belongs to the signal processing field, relate in particular to a kind of program signal output method, system, television set and glasses.
Background technology
The development of TV tech is maked rapid progress, and new TV functions emerges in an endless stream.At present, on playing programs, a television set can only be play a program at one time.When everyone wants to watch different programs, or watch, or adopt the mode of picture-in-picture with different television sets.Watch cost too high with different television sets, need to buy the television set more than two; If adopt the mode of picture-in-picture, can only be in big picture by a program, another is in little picture, and perhaps two program pictures are divided video screen equally.In any case each program all can not accomplish to take fully screen, viewing effect is not good, has caused the waste of screen space.
Summary of the invention
The purpose of the embodiment of the invention is to provide a kind of program signal output method, and when being intended to solve different programs and playing simultaneously, each program all can not accomplish to take fully video screen, and viewing effect is not good, causes the problem of video screen space waste.
The embodiment of the invention is achieved in that a kind of program signal output method, said method comprising the steps of:
The different programs of input are resolved to audio signal and vision signal;
The audio signal of parsed different programs is input to different audio output devices;
With the vision signal of parsed different programs, be that unit is stored in buffer area with the frame;
The vision signal of the different programs stored is alternately play;
When the vision signal of different programs is alternately play, the output wireless synchronization signal.
Another purpose of the embodiment of the invention is to provide a kind of programme signal output system, and described system comprises:
The program resolution unit, the different programs that are used to resolve input are audio signal and vision signal;
The audio signal output control unit is used for the audio signal of parsed different programs is input to different audio output devices;
The vision signal storage control unit is used for the vision signal with parsed different programs, is that unit is stored in buffer area with the frame;
The vision signal output control unit, the vision signal that is used for the different programs that will be stored is alternately play; And
The wireless control signal transmitter unit is used for when the vision signal of different programs is alternately play, the output wireless synchronization signal.
Another purpose of the embodiment of the invention is to provide a kind of television set, comprises audio output device, and described television set also comprises a programme signal output system, and described programme signal output system comprises:
The program resolution unit, the different programs that are used to resolve input are audio signal and vision signal;
The audio signal output control unit is used for the audio signal of parsed different programs is input to different audio output devices;
The vision signal storage control unit is used for the vision signal with parsed different programs, is that unit is stored in buffer area with the frame;
The vision signal output control unit, the vision signal that is used for the different programs that will be stored is alternately play; And
The wireless control signal transmitter unit is used for when the vision signal of different programs is alternately play, the output wireless synchronization signal.
Another purpose of the embodiment of the invention is to provide a kind of glasses of watching TV programme, and described glasses comprise:
Eyeglass comprises two transparent panels, and the liquid crystal molecule that is arranged in described two transparent panels;
The wireless synchronization signal receiver module is used to receive the wireless synchronization signal that television set sends;
Control circuit module is used for controlling the Liquid Crystal Molecules Alignment in the described eyeglass according to the wireless control signal that receives, and controls described eyeglass and is in logical light or black out state; And
Power module is used for to described wireless synchronization signal receiver module, control circuit module power supply.
The embodiment of the invention is by importing audio signal different audio output devices, with vision signal is that unit is stored in buffer area and alternately outputs to display screen with the frame, utilize human eye vision to persist effect, the liquid crystal glasses that matching timing is synchronous, can reach different beholders and watch different programs simultaneously, have each program to monopolize the sensation of video screen again.
Description of drawings
Fig. 1 is the flow chart of the program signal output method that provides of the embodiment of the invention;
Fig. 2 is the structural representation of the programme signal output system that provides of the embodiment of the invention;
Fig. 3 is the structural representation of the glasses of watching program that provide of the embodiment of the invention.
Embodiment
In order to make purpose of the present invention, technical scheme and advantage clearer,, the present invention is further elaborated below in conjunction with drawings and Examples.Should be appreciated that specific embodiment described herein only in order to explanation the present invention, and be not used in qualification the present invention.
After the different programs that the embodiment of the invention will be imported resolve to audio signal and vision signal, the different audio output device of audio signal input with different programs, with the vision signal of different programs is that unit is stored in buffer area and alternately outputs to display screen with the frame, utilize glasses logical light and the black out synchronous with the program output timing, show a program image, shield other program image.
Fig. 1 shows the flow chart of the program signal output method that the embodiment of the invention provides, and details are as follows:
In step S101, the different programs of importing are resolved to audio signal and vision signal;
In step S102, the audio signal of parsed different programs is input to different audio output devices;
In step S103,, be that unit is stored in buffer area with the frame with the vision signal of parsed different programs;
In step S104, the vision signal of the different programs stored is alternately play;
In step S105, when the vision signal of different programs is alternately play, the output wireless synchronization signal.
As one embodiment of the present of invention, in vision signal, with the frame unit when being stored in buffer area with parsed different programs, can be with the video signal frame sequential storage of different programs at buffer area.
With the vision signal after the parsing of storage A, two programs of B is example, buffer area is divided into two parts, first is from the address 0, and storage A program video signal frame, second portion are from the address 100, storage B program video signal frame, third part is from the address 1, storage A program video signal frame, and the 4th part is from the address 101, storage B program video signal frame, and the like.
When the video signal frame of output A, two programs of B, alternately read two in the buffer area address the program video signal frame and output to display driver, the display program image.Be the program video signal frame of first OPADD 0, the program video signal frame of OPADD 100, the program video signal frame of OPADD 1, program video signal frame of OPADD 101 etc. more again.
As one embodiment of the present of invention, in vision signal, with the frame unit when being stored in buffer area with parsed different programs, the video signal frame of different programs alternately can be stored in buffer area.
With the vision signal after the parsing of storage A, two programs of B is example, buffer area is looked as a whole, the video signal frame of A, two programs of B is alternately stored by sequence of addresses, it is the address storage A of first program video signal frame, second portion address storage B program video signal frame, third part address storage A program video signal frame, the 4th part address storage B program video signal frame, and the like.
When the video signal frame of output A, two programs of B, read the program video signal frame of buffer area successively and output to display driver by sequence of addresses, the display program image by the order of being stored.
Fig. 2 goes out the structure chart of the programme signal output system that the invention process provides.For convenience of explanation, only show the part relevant with the embodiment of the invention.
This programme signal output system can be used for various television sets, for example LCD TV, CRT TV, plasm TV etc., can be to run on the unit that software unit, hardware cell or software and hardware in the television set combine, also can be used as independently, suspension member is integrated in the television set or runs in the application system of television set, wherein:
The different programs that program resolution unit 21 is resolved input are audio signal and vision signal.Audio signal output control unit 22 is input to different audio output devices with the audio signal of parsed different programs.Vision signal storage control unit 23 is that unit is stored in buffer area with the vision signal of parsed different programs with the frame.
Vision signal output control unit 24 is alternately play the vision signal of the different programs stored.When wireless control signal transmitter unit 25 is alternately play in the vision signal of different programs, the output wireless synchronization signal.
As one embodiment of the present of invention, when vision signal storage control unit 23 is stored in buffer area with video signal frame, can be with the video signal frame sequential storage of different programs at buffer area.
Sequential storage control module 231 with the video signal frame sequential storage of different programs at buffer area.
With the vision signal after the parsing of storage A, two programs of B is example, when the video signal frame of described different programs was stored, the sequential storage control module was divided into two parts with buffer area, and first is from the address 0, storage A program video signal frame, second portion is from the address 100, storage B program video signal frame, and third part is from the address 1, storage A program video signal frame, the 4th part is from the address 101, storage B program video signal frame, and the like.
When the video signal frame of output A, two programs of B, vision signal output control unit 24 alternately read be stored in two in the buffer area address the program video signal frame and output to display driver, the display program image.Be the A program video signal frame in the first OPADD 0, the B program video signal frame in the OPADD 100, the A program video signal frame in the OPADD 1, B program video signal frame in the OPADD 101 or the like more again.
As one embodiment of the present of invention, when vision signal storage control unit 23 is stored in buffer area with video signal frame, the video signal frame of different programs alternately can be stored in buffer area.
Alternately storage control module 232 alternately is stored in buffer area with the video signal frame of different programs.
With the vision signal after the parsing of storage A, two programs of B is example, when the video signal frame of described different programs is stored, alternately storage control module is looked buffer area as a whole, the video signal frame of A, two programs of B is alternately stored by sequence of addresses, it is the address storage A of first program video signal frame, second portion address storage B program video signal frame, third part address storage A program video signal frame, the 4th part address storage B program video signal frame, and the like.
When the video signal frame of output A, two programs of B, vision signal output control unit 24 reads different program video letter frame numbers successively and outputs to display driver, the display program image in the memory address order of buffer area by the video signal frame of different programs.
As a preferred embodiment of the present invention, audio output device can comprise:
Loud speaker is used for playing the audio signal of a part of program of described a plurality of programs; And
At least one earphone is used for playing the audio signal of another part program of described a plurality of programs.
In the embodiment of the invention, after the different programs that program resolution unit 21 will be imported are resolved, audio signal output control unit 22 is given loud speaker with the audio signal output of a part of program in a plurality of programs, give earphone with the audio signal output of another part program, make the beholder can hear the sound of watching program separately, be unlikely to interfere with each other.
If play three above programs simultaneously, can connect more earphone by more earphone interface, audio signal output control unit 22 is exported the audio signal of corresponding vision signal to each earphone, or adopts wireless transmission, receive with wireless headset, avoid too much earphone jack and line.
Fig. 3 shows the structure chart of the glasses of watching TV programme that the embodiment of the invention provides.For convenience of explanation, only show the part relevant with the embodiment of the invention.
Eyeglass 31 comprises two transparent panels, and the liquid crystal molecule that is arranged in described two transparent panels;
Wireless synchronization signal receiver module 32 receives the wireless synchronization signal that television set sends;
Control circuit module 33 is according to the wireless control signal that receives, and the Liquid Crystal Molecules Alignment in the control eyeglass is controlled eyeglass and is in logical light or black out state; And
Power module 34 is to wireless synchronization signal receiver module 32, control circuit module 33 power supplies.
As one embodiment of the present of invention, liquid crystal glasses can be the switching mode liquid crystal glasses, according to the alternately logical light of wireless synchronization signal.
In embodiments of the present invention, when vision signal output control unit 24 control of video signals alternately switched, wireless control signal transmitter unit 25 sent the synchronous radio control signal to the liquid crystal glasses.Wireless control signal receiver module 32 receives the wireless control signal that wireless control signal transmitter unit 25 sends, control circuit module 33 is according to the Liquid Crystal Molecules Alignment in the received wireless control signal control liquid crystal glasses eyeglass 31, make the liquid crystal molecule conducting or close, thereby realize showing a program image, shield the function of other program image.
With two program images of output A, B is example, when watching the A program, and the logical fully light of each odd number frame time, liquid crystal glasses, the program image enters human eye by liquid crystal glasses; Each even frame time, the logical fully light rate of liquid crystal glasses is 0, closes fully, and the program image can not enter human eye.Like this, the B program image that each even frame time plays is shielded fully, utilizes human eye vision to persist effect, and what see is exactly complete A program image.
In like manner, when watching the B program, the logical fully light rate of each odd number frame time, liquid crystal glasses is 0, closes fully, and the program image can not enter human eye; Each even frame time, the logical fully light of liquid crystal glasses, the program image enters human eye by liquid crystal glasses; Like this, the A program image that each odd number frame time is play is shielded fully, utilizes human eye vision to persist effect, and what see is exactly complete B program image.
As another embodiment of the present invention, liquid crystal glasses can keep the normal open light state for persisting the type liquid crystal glasses, adopts the image of eye storage characteristic repertoire.
In embodiments of the present invention, when broadcast program was too many, liquid crystal glasses was in the black out state in the most of the time, and the beholder may feel the program image flicker into just liquid crystal glasses to be changed and persist the type liquid crystal glasses at this moment by the switching mode liquid crystal glasses.When playing the program of oneself watching, the wireless control signal that control circuit module 33 receives according to wireless control signal receiver module 32, Liquid Crystal Molecules Alignment in the control liquid crystal glasses eyeglass 31, make the liquid crystal molecule conducting, thereby show the program image of oneself watching, shield the vision signal of other program; When playing other program, liquid crystal molecule is no longer closed, but temporarily keep the image of previous frame, when playing the program of oneself watching once more by the time, the wireless control signal that control circuit module 33 receives according to wireless control signal receiver module 32, the conducting and upgrade the program image once more of liquid crystal molecule in the control liquid crystal glasses eyeglass 31, the beholder just can not feel to have glimmered like this.
In embodiments of the present invention, when when the A program switches to the B program, the program switching key of pressing on the remote controller gets final product.After receiving the program switching signal, TV programme switches to the B program from the A program, and program resolution unit 21 resolves to audio signal and vision signal with the B program; The vision signal of the B program after vision signal storage control unit 23 will be resolved mode or over-over mode in order is stored in buffer area, and vision signal output control unit 24 reads the vision signal of the B program that is stored in buffer area, alternately outputs to display screen; Simultaneously, 25 emissions of wireless control signal transmitter unit are play the wireless control signal of B program and are given the liquid crystal glasses, the control circuit module 33 of liquid crystal glasses is according to conducting, the shut-in time of the arrangement of the liquid crystal molecule in the wireless control signal receiver module 32 received wireless control signal control liquid crystal glasses eyeglasses 31, show B program image, shielding A program image; Simultaneously, audio signal output control unit 22 is given loud speaker or earphone with the audio signal transmission of B program, and the audio signal of no longer transmitting the A program gives loud speaker or earphone, and the user just can see B program image and hear the sound of B program correspondence like this.
In embodiments of the present invention, after the interleave of playing two programs was simultaneously handled, the TV that can play 120/100HZ originally was equivalent to two TVs of playing two 60/50HZ programs simultaneously, and result of broadcast is less better compared with 120/100HZ.But it is identical with the common 60/50HZ effect of televising.As long as the TV refresh rate is enough, TV just can be play different programs simultaneously.
After the embodiment of the invention is imported the program parsing with difference, the different audio output device of audio signal input with different programs, with the vision signal of different programs is that unit is stored in buffer area and alternately output with the frame, the image that on screen, alternately shows different programs, the logical light and the black out of the glasses that utilization and program output timing are synchronous, show a program image, shield other program image.Utilize the persistence of vision effect of human eye, watch different programs simultaneously thereby reach, and each program image effect of monopolizing video screen.
In addition, the embodiment of the invention is the creationary function that makes the TV increase can play different programs simultaneously on the basis of controlling cost, and effectively utilizes video screen, and the beholder can watch different programs according to oneself hobby, need not fight for TV, reaching each beholder all is the effect of watching alone.
The above only is preferred embodiment of the present invention, not in order to restriction the present invention, all any modifications of being done within the spirit and principles in the present invention, is equal to and replaces and improvement etc., all should be included within protection scope of the present invention.
Claims (14)
1. a program signal output method is characterized in that, said method comprising the steps of:
The different programs of input are resolved to audio signal and vision signal;
The audio signal of parsed different programs is input to different audio output devices;
With the vision signal of parsed different programs, be that unit is stored in buffer area with the frame;
The vision signal of the different programs stored is alternately play;
When the vision signal of different programs is alternately play, the output wireless synchronization signal.
2. the method for claim 1 is characterized in that, described vision signal with parsed different programs is that the step that unit is stored in buffer area is specially with the frame:
With the video signal frame sequential storage of described different programs at buffer area.
3. the method for claim 1 is characterized in that, described vision signal with parsed different programs is that the step that unit is stored in buffer area is specially with the frame:
The video signal frame of described different programs alternately is stored in buffer area.
4. a programme signal output system is characterized in that, described system comprises:
The program resolution unit, the different programs that are used to resolve input are audio signal and vision signal;
The audio signal output control unit is used for the audio signal of parsed different programs is input to different audio output devices;
The vision signal storage control unit is used for the vision signal with parsed different programs, is that unit is stored in buffer area with the frame;
The vision signal output control unit, the vision signal that is used for the different programs that will be stored is alternately play; And
The wireless control signal transmitter unit is used for when the vision signal of different programs is alternately play, the output wireless synchronization signal.
5. system as claimed in claim 4 is characterized in that, described vision signal storage control unit comprises:
The sequential storage control module is used for video signal frame sequential storage with described different programs at buffer area.
6. system as claimed in claim 4 is characterized in that, described vision signal storage control unit comprises:
Alternately storage control module is used for the video signal frame of described different programs alternately is stored in buffer area.
7. system as claimed in claim 4 is characterized in that, described audio output device comprises:
Loud speaker is used for playing the audio signal of a part of program of described a plurality of programs; And
At least one earphone is used for playing the audio signal of another part program of described a plurality of programs.
8. a television set comprises audio output device, it is characterized in that, described television set also comprises a programme signal output system, and described programme signal output system comprises:
The program resolution unit, the different programs that are used to resolve input are audio signal and vision signal;
The audio signal output control unit is used for the audio signal of parsed different programs is input to different audio output devices;
The vision signal storage control unit is used for the vision signal with parsed different programs, is that unit is stored in buffer area with the frame;
The vision signal output control unit, the vision signal that is used for the different programs that will be stored is alternately play; And
The wireless control signal transmitter unit is used for when the vision signal of different programs is alternately play, the output wireless synchronization signal.
9. television set as claimed in claim 8 is characterized in that, described vision signal storage control unit comprises:
The sequential storage control module is used for video signal frame sequential storage with described different programs at buffer area.
10. television set as claimed in claim 8 is characterized in that, described vision signal storage control unit comprises:
Alternately storage control module is used for the video signal frame of described different programs alternately is stored in buffer area.
11. television set as claimed in claim 8 is characterized in that, described audio output device comprises:
Loud speaker is used for playing the audio signal of a part of program of described a plurality of programs; And
At least one earphone is used for playing the audio signal of another part program of described a plurality of programs.
12. glasses of watching TV programme is characterized in that, described glasses comprise:
Eyeglass comprises two transparent panels, and the liquid crystal molecule that is arranged in described two transparent panels;
The wireless synchronization signal receiver module is used to receive the wireless synchronization signal that television set sends;
Control circuit module is used for controlling the Liquid Crystal Molecules Alignment in the described eyeglass according to the wireless control signal that receives, and controls described eyeglass and is in logical light or black out state; And
Power module is used for to described wireless synchronization signal receiver module, control circuit module power supply.
13. glasses as claimed in claim 12 is characterized in that, described glasses are the switching mode liquid crystal glasses, according to the alternately logical light of described wireless synchronization signal.
14. glasses as claimed in claim 12 is characterized in that, described glasses keep the normal open light state for persisting the type liquid crystal glasses, adopt the image of eye storage characteristic repertoire.
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| CN201010190465A CN101867839A (en) | 2010-05-31 | 2010-05-31 | Program signal output method, system, television and glasses |
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| CN201010190465A CN101867839A (en) | 2010-05-31 | 2010-05-31 | Program signal output method, system, television and glasses |
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| CN102427546A (en) * | 2011-10-31 | 2012-04-25 | 康佳集团股份有限公司 | Method for glass-type 3D television to play two programs simultaneously and system thereof |
| CN102547329A (en) * | 2010-12-20 | 2012-07-04 | 索尼公司 | Simultaneous viewing of multiple viewer-specific programming on a single display |
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| CN103676208A (en) * | 2013-12-09 | 2014-03-26 | 苏州市峰之火数码科技有限公司 | Live-action glasses |
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| CN105282593A (en) * | 2015-10-19 | 2016-01-27 | 中国联合网络通信集团有限公司 | One-screen multi-display method, one-screen multi-display system, display device and receiving device |
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| CN114339345A (en) * | 2020-09-29 | 2022-04-12 | 京东方科技集团股份有限公司 | Source end synchronization device and synchronization method applied to audio and video signals |
| CN114339345B (en) * | 2020-09-29 | 2024-05-31 | 京东方科技集团股份有限公司 | Source end synchronization device and synchronization method applied to audio and video signals |
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Application publication date: 20101020 |