CN105916029A - Audio playing control equipment, video display equipment and audio and video playing system - Google Patents

Audio playing control equipment, video display equipment and audio and video playing system Download PDF

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Publication number
CN105916029A
CN105916029A CN201510958715.2A CN201510958715A CN105916029A CN 105916029 A CN105916029 A CN 105916029A CN 201510958715 A CN201510958715 A CN 201510958715A CN 105916029 A CN105916029 A CN 105916029A
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CN
China
Prior art keywords
video
audio
signal
data
frame rate
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Pending
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CN201510958715.2A
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Chinese (zh)
Inventor
刘伟
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Leshi Zhixin Electronic Technology Tianjin Co Ltd
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Leshi Zhixin Electronic Technology Tianjin Co Ltd
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Application filed by Leshi Zhixin Electronic Technology Tianjin Co Ltd filed Critical Leshi Zhixin Electronic Technology Tianjin Co Ltd
Priority to CN201510958715.2A priority Critical patent/CN105916029A/en
Priority to PCT/CN2016/088793 priority patent/WO2017101361A1/en
Publication of CN105916029A publication Critical patent/CN105916029A/en
Pending legal-status Critical Current

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Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/45Management operations performed by the client for facilitating the reception of or the interaction with the content or administrating data related to the end-user or to the client device itself, e.g. learning user preferences for recommending movies, resolving scheduling conflicts
    • H04N21/458Scheduling content for creating a personalised stream, e.g. by combining a locally stored advertisement with an incoming stream; Updating operations, e.g. for OS modules ; time-related management operations
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/45Management operations performed by the client for facilitating the reception of or the interaction with the content or administrating data related to the end-user or to the client device itself, e.g. learning user preferences for recommending movies, resolving scheduling conflicts
    • H04N21/458Scheduling content for creating a personalised stream, e.g. by combining a locally stored advertisement with an incoming stream; Updating operations, e.g. for OS modules ; time-related management operations
    • H04N21/4586Content update operation triggered locally, e.g. by comparing the version of software modules in a DVB carousel to the version stored locally
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F8/00Arrangements for software engineering
    • G06F8/60Software deployment
    • G06F8/65Updates

Abstract

The embodiment of the application provides audio playing control equipment, video display equipment and a playing system. The system comprises a main part and display equipment. The main part comprises a main processor and audio equipment which are electrically connected. The main processor receives first audio and video signals and converts the first audio signals of the first audio and video signals and transmits the first audio signals to the audio equipment to be displayed. The main part is connected with the display equipment through a self-defined interface and converts the first video signals of the first audio and video signals and transmits the first video signals to the display equipment to be displayed.

Description

Control equipment, video display apparatus and the audio-video frequency playing system that audio frequency is play
Technical field
The invention relates to technical field of audio/video, particularly relate to the control equipment of audio frequency broadcasting, regard Frequently display device and audio-video frequency playing system.
Background technology
Audio-video frequency playing system (such as intelligent television) is the new product formed based on the impact of internet tide, Its objective is that bringing user experiences more easily, have become as the trend trend of TV at present.Intelligent television, Being to have full open model platform, be equipped with operating system, user is appreciating while general television content, Types of applications software, the new tv product persistently function being expanded and upgrading can be installed and uninstalled voluntarily. Intelligent television constantly can bring to user and be different from, and uses wired digital teleset (Set Top Box) , abundant individualized experience.
At home, each big colour TV giant has started the exploration to intelligent television the most already.Additionally Intelligent electric Depending on box manufacturer the most following closely, in the way of TV box carries Android system, television set intelligently is realized Promote.
And intelligent television has the application platform advantage not available for traditional tv manufacturer.After connecting network, It is provided that IE browser, full HD 3D somatic sensation television game, video calling, family KTV and education are online Etc. multiple amusement, information, education resource, it is possible to infinitely expand, moreover it is possible to respectively supporting tissue and individual, Professional and amateurish software fan's independent development, the utility function software that share is ten hundreds of.It will Realize web search, Internet Protocol Television, video request program (VOD), digital music, Internet news, Internet video The various application service such as phone.User may search for television channel and website, recording TV program, it is possible to Play satellite and cable television program and Internet video.Intelligent television will make one for users can Load the open system platform of unlimited content, unlimited application, it is possible to need to carry out according to self Personalized installation, makes TV the most out-of-date.
The intelligence system that the intelligent 3D TV listed at present uses can be broadly divided into three classes: Androi d, Windows and enterprise's self-built systems.For carrying the intelligent video equipment of operating system, no matter what uses The system of kind, online software upgrade has become universal application.As, use Android 2.0 several years ago is System, has been upgraded to 5.0 or higher.Software system updating and hardware system are closely-related, Met the hardware system of Android 2.0 originally, Android 5.0 had been not suitable for.Software to be carried out Upgrading is necessary for changing hardware.
Fig. 1 is the audio-video frequency playing system structural representation of prior art.According to Fig. 1, external Audio-video signal, as HDMI signal is sent to processor, processor to after signal transacting by vision signal Being sent to display screen show, audio signal is sent to audio-frequency module to after signal transacting by processor, with Time primary processor also display screen is controlled, additionally, this audio-video frequency playing system includes Ethernet interface, WIFI and blue tooth interface, be built-in with memory module, power management module etc..The sound of prior art regards Frequently Play System processor and display screen are one, therefore inconvenient upgrading independent to processor.
In prior art, mainboard and the display device of intelligent video system scheme processor are usually assembled into one Body, is replaced if it is desired to system hardware upgrading needs dismounting shell could take out internal mainboard, operation Complexity, upgrade cost is higher.And simple replacing complete machine cost is costly.
Summary of the invention
The embodiment of the present application provides control equipment, video display apparatus and the audio and video playing system that audio frequency is play System, in order to solve problem high to hardware system scaling difficulty or cost in prior art.
The application provides the control equipment that a kind of audio frequency is play, including: the primary processor of electrical connection and audio frequency Equipment, described primary processor receives the first audio-video signal, by first in described first audio-video signal Audio signal is changed and is sent to described audio frequency apparatus and plays out;
Described primary processor is connected by self defined interface with display device, by described first audio frequency and video letter The first vision signal in number is changed and is sent to described display device and shows.
The application also provides for a kind of video display apparatus, described video display apparatus by self defined interface with Main part connects, and receives and shows that main equipment carries out process according to the first audio-video signal received and obtains The first vision signal obtained, and described first vision signal is processed and shows.
The application also provides for a kind of audio-video frequency playing system, including main part and display device,
Described main part includes primary processor and the audio frequency apparatus of electrical connection, and described primary processor receives the One audio-video signal, changes the first audio signal in described first audio-video signal and sends to described Audio frequency apparatus plays out;
Described main part is connected by self defined interface with described display device, by described first audio frequency and video The first vision signal in signal is changed and is sent to described display device and shows.
The audio-video frequency playing system that audio-video frequency playing system audio-video frequency playing system the embodiment of the present application provides Primary processor and audio frequency apparatus constitute the main part of this audio-video frequency playing system, primary processor can The audio-video signal of reception is changed and is sent to audio frequency apparatus such that it is able to independent play-out audio frequency.Therefore, When the application carries out upgrading processing to primary processor, it is only necessary to main part is carried out upgrading processing, decreases Display device carries out the hardware cost of upgrading processing.Further, the application display device can connect different Main part, uses more flexible.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present application or technical scheme of the prior art, below will be to reality Execute the required accompanying drawing used in example or description of the prior art to be briefly described, it should be apparent that under, Accompanying drawing in the description of face is some embodiments of the application, for those of ordinary skill in the art, On the premise of not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is audio-video frequency playing system structural representation in prior art;
Fig. 2 is the structural representation of control equipment one embodiment that a kind of audio frequency of the application is play;
Fig. 3 is the structural representation of control another embodiment of equipment that a kind of audio frequency of the application is play;
Fig. 4 is the structural representation of the application a kind of video display apparatus one embodiment;
Fig. 5 is the structural representation of the application another embodiment of a kind of video display apparatus;
Fig. 6 is the structural representation of the application a kind of video display apparatus another embodiment;
Fig. 7 is the application audio-video frequency playing system structural representation.
Detailed description of the invention
For making the purpose of the embodiment of the present application, technical scheme and advantage clearer, below in conjunction with this Shen Please accompanying drawing in embodiment, the technical scheme in the embodiment of the present application is clearly and completely described, Obviously, described embodiment is some embodiments of the present application rather than whole embodiments.Based on Embodiment in the application, those of ordinary skill in the art are obtained under not making creative work premise The every other embodiment obtained, broadly falls into the scope of the application protection.
Seeing Fig. 2, the embodiment of the present application provides the control equipment that a kind of audio frequency is play, including: electrical connection Primary processor 21 and audio frequency apparatus 22 audio-video frequency playing system.
In the embodiment of the present application, audio frequency apparatus 22 described in audio-video frequency playing system can be but not limit to In audio-video frequency playing system audio amplifier.
Described primary processor 21 receives the first audio-video signal, by first in described first audio-video signal Audio signal is changed and is sent to described audio frequency apparatus 22 and plays out.
Concrete, described first audio signal is converted to I2S signal by described primary processor 21, and sends Play out to described audio frequency apparatus 22.
Described primary processor 21 is connected by self defined interface with described display device 22, by described first The first vision signal in audio-video signal is changed and is sent to display device and shows.
Concrete, described first vision signal is converted to HDMI formatted data by described primary processor 21, Send to described display device.
In the embodiment of the present application, when the first audio, video data is input to the control equipment that the application audio frequency is play, The first voice data in first audio, video data is directly processed by the primary processor 21 in the application, And sent to audio-video frequency playing system audio frequency apparatus 22 by primary processor 21 and to play out audio and video playing system System.Thus, the voice data in the audio, video data received can independently be played out by the application.
In the embodiment of the present application, when the first audio, video data is input to the control equipment that the application audio frequency is play, Master in the control equipment that the first video data in first audio, video data is directly play by the application audio frequency Processor 21 processes, and is then forwarded to display device 22 and shows.
When the application primary processor needs to carry out upgrading processing, it is only necessary to the application is carried out upgrading processing, Display device without connecting the application is upgraded, and the hardware reducing primary processor upgrading processing becomes This.Further, the application display device can connect the control equipment that different audio frequency is play, and makes display set The use of standby 22 is more flexible.
In another embodiment of the application, seeing Fig. 3, the application also includes:
Audio format Bridge sheet 23, is used for receiving described display device and is sent by described self defined interface The second audio signal, and the second audio signal after converting sends to described primary processor 21, described Described second audio signal is sent extremely described audio frequency apparatus 22 and plays out by primary processor 21.
Concrete, described audio format Bridge sheet 23 turns I2S chip for SPD IF, the SPD IF that will receive Format audio data is changed into I2S format audio data, and the I2S format audio data after converting is sent out Delivering to described primary processor 21, described I2S format audio data is sent to institute by described primary processor 21 State audio frequency apparatus 22 to play out.
In the embodiment of the present application, when the second audio, video data is input to described display device, described display sets Second audio data in standby the second audio, video data that will receive sends extremely herein described audio format and turns Change bridge sheet 23.Described audio format Bridge sheet 23 carries out form conversion to the second audio data received Rear transmission is to described primary processor 21.
Described second audio data is processed by the application primary processor 21, and by primary processor 21 Deliver to audio frequency apparatus 22 play out.Therefore, the voice data that display device transmits can be entered by the application Row is play.
In the embodiment of the present application, when the second audio, video data is input to described display device, the second audio frequency and video The second video data in data is directly processed by display device and shows.
In another embodiment of the application, the input that described primary processor 21 is additionally operable to according to receiving refers to Screen menu type regulative mode data are converted to the 3rd vision signal and send to described display device by order.
In the embodiment of the present application, when user presses remote controller or button is controlled the application, by this Apply for the screen menu type regulative mode data that described primary processor 21 will generate according to user input instruction (osd data) is converted to the 3rd video data, specially HDMI formatted data, and output is to display device Process and show.
Seeing Fig. 4, the application also provides for a kind of video display apparatus, and described video display apparatus 41 passes through Self defined interface is connected with main part, receives and shows that main equipment is according to the first audio frequency and video letter received Number carry out processing the first vision signal obtained, and described first vision signal is processed and shows.
In the embodiment of the present application, described video display apparatus can be but be not limited to television set.
Herein described video display apparatus is connected with described main part, and primary processor is arranged at main part Point.When primary processor needs to carry out upgrading processing, it is only necessary to main part is carried out upgrading processing, nothing The application need to be upgraded, reduce the hardware cost of primary processor upgrading processing.Further, the application Can connect different main parts, the use making the application is more flexible.
In another embodiment of the application, seeing Fig. 5, described video display apparatus 41 includes: video Processor 411, video format Bridge sheet 412, motion compensation block diagram of frame rate converter 413 and display screen 414。
In the embodiment of the present application, when the first audio, video data is input to main part, the first audio, video data In the first video data directly processed by the primary processor in main part, be then forwarded to this Shen Come in, and row processes and display.
Described video processor 411 receives described first vision signal, and the first video letter after processing Number sending to described video format Bridge sheet 412, conversion is obtained by described video format Bridge sheet 412 The data obtained send extremely described motion compensation block diagram of frame rate converter 413 and carry out at frame rate conversion and motion compensation Reason, the data after described frame rate conversion and motion compensation process are played out by described display screen 414.
Concrete, HDMI form first vision signal of reception is turned by described video format Bridge sheet 412 Turn to V-by-One format video data.The V-by-One of described video format Bridge sheet 412 output Format video data carries out frame rate conversion and is changed into high frame-rate video data and motion compensation process, and with V-by-One format video data is given display screen 414 and is play.
In another embodiment of the application, seeing Fig. 6, described video display apparatus also includes that video is believed Number multichannel input switch module 415.
When second audio, video data is input to the application video display apparatus, described vision signal multichannel inputs Switch module 415 is in order to receive the second audio-video signal, and sends institute to video format Bridge sheet 412 Stating the second audio-video signal, described video format Bridge sheet 412 is by described second audio-video signal Second vision signal sends extremely described motion compensation block diagram of frame rate converter 413 and carries out frame rate conversion and motion compensation Processing, the data after described frame rate conversion and motion compensation process are played out by described display screen 414.
Concrete, HDMI form first vision signal of reception is turned by described video format Bridge sheet 412 Turn to V-by-One format video data.The V-by-One of described video format Bridge sheet 412 output Format video data carries out frame rate conversion and is changed into high frame-rate video data and motion compensation process, and with V-by-One format video data is given display screen 414 and is play.
Therefore, when the second audio, video data is input to the application video display apparatus, the second audio, video data In the second video data directly processed by display device and show.
In another embodiment of the application, described second sound is regarded by described video format Bridge sheet 412 Frequently the second audio signal in signal is sent to described main part by described self defined interface.
When second audio, video data is input to the application video display apparatus, described video format Bridge sheet 412 output SPD IF form second audio datas, are sent to described main part by described self defined interface Point.
In another embodiment of the application, described video processor 411 receives described 3rd vision signal, And the data after being changed by form send to described motion compensation block diagram of frame rate converter 413, described motion compensation Block diagram of frame rate converter will process after data and described second video frequency signal processing after data be overlapped dative After formula conversion, shown by described display screen 414.
In the embodiment of the present application, when user press remote controller or button described main part is controlled time, The screen menu type regulative mode that will be generated according to user input instruction by the primary processor of described main part Data (osd data) are converted to the 3rd video data of HDMI form and export to the application video processor 411.3rd video data of 411 HDMI forms of video processor is changed into LVDS formatted data, send Data after processing to motion compensation block diagram of frame rate converter 413, osd data and the second vision signal are in fortune Dynamic compensate superposition in block diagram of frame rate converter 413, and be changed into V-by-One formatted data and deliver to display screen 414 Play.
Fig. 7 is the application audio-video frequency playing system structural representation.According to Fig. 7, the application is a kind of Audio-video frequency playing system includes: primary processor, display device and audio frequency apparatus, wherein, and primary processor 110, Display device includes display screen 40, video processor 130, video format Bridge sheet 120 and motion Compensating block diagram of frame rate converter 140, audio frequency apparatus includes audio format Bridge sheet 150, primary processor and audio frequency Equipment is electrically connected to form the main part 10 of audio-video frequency playing system, main part 10 and display device 20 Being connected by self defined interface and transmit audio, video data, wherein, processor 110 passes through I2C(Inter- Integrated Circuit, inter-integrated circuit) bus be respectively coupled to video format Bridge sheet 120, Video processor 130 and motion compensation block diagram of frame rate converter 140.Further, in audio-video frequency playing system also It is configured with ethernet module 190, wiredly and/or wirelessly communication module 160 (such as bluetooth module, wifi Module, 2.4G communication module etc.), power management module 170, memory module 180 and combinations thereof wherein One of, it is respectively coupled to primary processor 110.
Primary processor 110 is coupled to the first audio-video signal 20 of audio-video frequency playing system, and passes through I2S (Inter-IC Sound) audio-frequency bus (also known as integrated circuit built-in audio bus) is coupled to audio frequency apparatus.
Primary processor 110 is for receiving the first audio-video signal, such as, from being configured at audio and video playing system One of them transmission of ethernet module 190 in system and wiredly and/or wirelessly communication module 160 is to main process The first sound that the audio-video signal of device 110 or primary processor 110 read in memory module 180 Vision signal.
First vision signal is sent the video processor 130 to display device, main place by primary processor 110 The first vision signal that reason device 110 sends can be but be not limited to mobile terminal high-definition audio and video standard letter Number (mobile high-definition link, MHL;Be called for short MHL), HDMI signal, low-voltage differential Signal (Low Voltage Differential Signaling, LVDS), DP signal (display Port), EDP signal (Embedded DisplayPort), MIPI DSI signal (Mobile Industry Processor Interface-Display Serial Interface, mobile Industry Processor and display Device serial line interface), logic gates (Transistor-Transistor Logic, TTL;It is called for short TTL) And combinations thereof one of them.
First audio signal is sent to audio frequency apparatus by primary processor 110, and primary processor 110 is additionally operable to connect Receive the second audio signal of video format Bridge sheet 120 transmission and send to audio frequency apparatus, primary processor 110 have screen display menu functional module, in order to produce screen display menu data, and are shown by screen Show that menu data convert to send to video processor 130.
Additionally, processor 110 is provided with processing module 112 and screen display menu functional module 113. Wherein, processing module 112 includes CPU (central processing unit, CPU) 111 And/or GPU (graphic processing unit, GPU).
Screen display menu functional module 113 is in order to according to the operational order received by primary processor 110 Produce corresponding screen display menu data.Such as, under needing the scene using menu, primary processor 110 control screen display menu functional module 113 according to outside input instruction produces screen display menu Data, such as in the scene that audio-video frequency playing system is television set of the application, by remote controller transmission Go out requirement display and control the function command of menu to primary processor 110, the processing module of primary processor 110 112 i.e. produce corresponding screen according to this function command notification screen display menu functional module 113 shows Menu data, and it is sent to video processor 130.
Audio format Bridge sheet 150, after receiving the conversion that video format Bridge sheet 120 sends The second audio signal, and will convert after the second audio signal convert and be sent to primary processor 110, And, receive SPDIF format audio signal by optical fiber interface, SPDIF will be received by optical fiber interface Format audio signal converts and is sent to primary processor.
Video processor 130, for receiving the first vision signal of primary processor 110 transmission, and by institute The first video signal transmission accepted is to video format Bridge sheet 120, and video processor 130 is additionally operable to Receive the screen display menu data after the conversion that primary processor 110 sends, and by screen display menu number It is sent to motion compensation block diagram of frame rate converter 140 according to conversion.
Video format Bridge sheet 120, for receiving the first vision signal of video processor 130 transmission, Change the first vision signal, and the first vision signal after conversion is sent to motion compensation block diagram of frame rate converter 140, video format Bridge sheet 120 is additionally operable to receive the second audio-video signal, converts the second audio frequency and video letter The second vision signal in number, and will convert after the second vision signal be sent to motion compensation frame per second conversion Device 140, video format Bridge sheet 120 is additionally operable to the second audio frequency letter converting in the second audio-video signal Number, and will convert after second audio signal send to audio format Bridge sheet 150.
Motion compensation block diagram of frame rate converter 140, for receiving the conversion that video format Bridge sheet 120 sends After the first vision signal, will convert after the first video frequency signal processing be high-resolution and high frame-rate video Signal, and it is sent to display screen 40, motion compensation block diagram of frame rate converter 140 is used for receiving video format and turns Changing the second vision signal after the conversion that bridge sheet 120 sends, the second video frequency signal processing after converting is High-resolution and high frame-rate video signal, and it is sent to display screen 40, motion compensation block diagram of frame rate converter 140 It is additionally operable to receive the screen display menu data that video processor 130 sends, by screen display menu data It is converted into high-resolution and high frame-rate video signal and is sent to display screen 40.
Motion compensation block diagram of frame rate converter 140 is respectively coupled to video format Bridge sheet 120, Video processing Device 130 and display screen 40, in order to the first video after receiving conversion from video format Bridge sheet 120 Signal, and based on motion detection and motion compensation (motion estimation and motion Compensation, MEMC) principle to conversion after the first vision signal carry out frame-rate conversion (frame Rate conversion, FRC), thus the first video frequency signal processing after changing is high-resolution and height Frame-rate video signal, the such as video content from common 60Hz refresh rate rise to 120Hz or 240Hz The video content of refresh rate, is then sent to display screen 40 by this high-resolution and high frame-rate video signal and enters Row is play, thus improves the readability of motion picture.
What deserves to be explained is, in motion compensation block diagram of frame rate converter 140 also in order to connect from video processor 130 Receive screen display menu data, and by the screen display menu data received with change after second regard Frequently signal is overlapped, and in overlap-add operation, can be first to carry out screen display menu data and turn The superposition of the vision signal after changing, will be superimposed with the second vision signal of screen display menu data the most again It is processed as high-resolution and high frame-rate video signal;Or by the second video frequency signal processing after conversion After high-resolution and high frame-rate video signal, then carry out the superposition of screen display menu data.Below only The order being overlap-add operation is different, and can produce and present with screen display menu on display screen 40 The high-definition screen of data, the most above-mentioned overlay order also is not used to limit the application.It is appreciated that , the first audio, video data is sent to regard after changing into such as HDMI formatted data by primary processor Frequently processor, due to primary processor 110, be sent in the data of video processor 130 just can be with superposition Screen display menu data, concrete, sent out by remote controller and require that the function that display controls menu refers to Order is to primary processor 110, and the processing module 112 of primary processor 110 is i.e. according to this function command notice screen Curtain display menu functional module 113 produces corresponding screen display menu data, and primary processor 110 will screen Curtain display menu data are overlapped with the first vision signal, will be superimposed with screen display menu number the most again According to the first vision signal be sent to video processing module 130, therefore, now need not in motion compensation Block diagram of frame rate converter 140 superposition screen display menu data.
Primary processor and the audio frequency apparatus of the audio-video frequency playing system that the embodiment of the present application provides constitute this sound The main part of audio/video player system, the first audio-video signal conversion received can be sent by primary processor To audio frequency apparatus such that it is able to independent play-out audio frequency.Additionally, the embodiment of the present application is optionally passed through Primary processor receives the first audio-video signal, or receives the second sound by video format Bridge sheet and regard Frequently signal, and corresponding tupe is selected according to the difference of signal source, so that the application Audio-video frequency playing system can either play audio frequency separately through main part, is able to receive that again the HDMI in the external world The second audio-video signal that signal source sends.By video format Bridge sheet, vision signal is carried out data Form is changed and by video processing module as screen display menu data and the transmission of the first frequency signal Medium, allows the first vision signal that primary processor received or video format Bridge sheet is received second Vision signal can play out on a display screen, and present screen display menu data simultaneously.Additionally, By motion compensation block diagram of frame rate converter, the vision signal after conversion is optimized, it is provided that high-resolution With high frame-rate video signal to display screen, thus promote display picture quality, promote Consumer's Experience simultaneously.
Further, the embodiment of the present application one audio-video frequency playing system, also include that vision signal multichannel is defeated Enter switch module 220, in order to receive the second audio-video signal, and to video format Bridge sheet 120 Send the second audio-video signal.
Vision signal multichannel input switch module 220 can receive multi-channel video signal, receives vision signal Port number can select.
The second audio, video data that vision signal multichannel input switch module 220 receives is that HDMI form sound regards Frequency evidence.
Further, the embodiment of the present application one audio-video frequency playing system, video processor 130 is provided with One video format output interface;Motion compensation is detectd rate converter 140 and is provided with the second video format input interface; And, video format Bridge sheet 120 is provided with the first video format input interface and the second video format is defeated Outgoing interface;
Wherein, the first video format input interface of video format Bridge sheet 120 is coupled to Video processing First video format output interface of device 130, in order to receive the first vision signal of video processor 130, Second video format output interface of video format Bridge sheet 120 is coupled to motion compensation and detects rate converter The second video format input interface of 140, mends in order to the first vision signal after conversion is sent to motion Repay block diagram of frame rate converter.
It is defeated that video format Bridge sheet 120 is provided with the first video format input interface, the second video format Outgoing interface and audio output interface.First video format input interface of video format Bridge sheet 120 It is coupled to the first video format output interface of video processor 130, in order to receive video processor 130 The first vision signal.Additionally, the second video format output interface coupling of video format Bridge sheet 120 Be connected to motion compensation and detect the second video format input interface of rate converter 140, in order to will after conversion the One vision signal is sent to motion compensation block diagram of frame rate converter.
Wherein, the data form of the first video format input interface 121 of video format Bridge sheet 120 Identical with the data form of the first video format output interface of video processor 130, such as it is similarly HDMI data form;The data form of the second video format output interface of video format Bridge sheet 120 Different, for example, with the data form of the first video format output interface of video processor 130 V-by-One data form.It is understood that due to the second video of video format Bridge sheet 120 Form output interface is data lattice with the second video format input interface of motion compensation block diagram of frame rate converter 140 Video signal output interface that formula is corresponding and video signal input interface, therefore, in the present embodiment, The data form of the second video format input interface of motion compensation block diagram of frame rate converter 140 is similarly V-by-One data form.
First format audio signal output interface of video format Bridge sheet is coupled to audio format Bridge First format audio signal input interface of sheet 150, is sent to audio format conversion by the second audio signal Bridge sheet 150.
Further, the embodiment of the present application one audio-video frequency playing system, primary processor 110 is provided with screen Menu output interface;Video processor 130 is provided with screen menu input interface and screen menu output interface; Motion compensation block diagram of frame rate converter is provided with screen menu input interface;Wherein, the screen of video processor 130 Menu input interface is coupled to the screen menu output interface of primary processor 110, in order to receive primary processor Screen display menu data after 110 conversions, the screen menu input interface of motion compensation block diagram of frame rate converter It is coupled to the screen menu output interface of video processor 130, converts in order to receive video processor 130 After screen display menu data.
Further, the embodiment of the present application one audio-video frequency playing system, video format Bridge sheet 120 It is provided with the first format audio signal output interface;Audio format Bridge sheet 150 is provided with the first format audio Signal input interface and the second format audio signal output interface;Primary processor 110 is provided with the second form sound Frequently signal input interface;Wherein, the first format audio signal input of audio format Bridge sheet 150 connects Mouth is coupled to the first format audio signal output interface of video format Bridge sheet 120, for reception the Two audio signals, audio format Bridge sheet 150 second format audio signal output interface is coupled to main place Second format audio signal input interface of reason device 110, the second audio signal after user will convert sends To primary processor 110.
Second format audio signal output interface of audio format Bridge sheet 150 is coupled by I2S bus In primary processor 110, in order to the second audio signal received is entered at video format Bridge sheet 120 Row format conversion after, will conversion after the second audio signal be sent to audio format Bridge sheet 150 again by Audio format Bridge sheet 150 is sent to primary processor 110 after converting, in order to offer to audio frequency sets Standby 30 play out.Such as, the second audio signal of HDMI data form is converted to I2S data lattice After the external audio signal of formula, it is sent to primary processor 110 by I2S bus;Or at certain In the case of Xie, first the external audio signal of HDMI data form is converted to SPDIF data form, then Again after SPDIF Data Format Transform is I2S data form, then it is resent to primary processor 110.
Additionally, audio format Bridge sheet 150 can also receive SPDIF format audio by optical fiber interface Signal, will receive SPDIF format audio signal by optical fiber interface and be converted into I2S format audio data also It is sent to primary processor, primary processor is sent to audio frequency apparatus and plays out.It is understood that sound Frequently equipment can include power amplifier and loudspeaker etc., more prominent for explanation, is not shown in the drawings.
Further, the embodiment of the present application one audio-video frequency playing system, the first video format be MHL, HDMI, LVDS, DP, EDP, MIPI DSI, TTL and combinations thereof one of them.
The first concrete video format can be mobile terminal high-definition audio and video standard signal (mobile high-definition link,MHL;Be called for short MHL), HDMI signal, Low Voltage Differential Signal (Low Voltage Differential Signaling, LVDS), DP signal (display port), EDP Signal (Embedded DisplayPort), MIPI DSI signal (Mobile Industry Processor Interface-Display Serial Interface, mobile Industry Processor and display serial interface Mouthful), logic gates (Transistor-Transistor Logic, TTL;It is called for short TTL) and group Close one of them
Further, the embodiment of the present application one audio-video frequency playing system, the second video format is V-by-One。
V-by-one interface be used primarily in large-size screen monitors show, camera secure aspect.The meaning of v-by-one interface Think of is " video by one ", i.e. transmits low-voltage differential miniature computer by " single line " System interface signal (full name low voltage differential SCSI is called for short LVDS) or transistor -transistor logic (full name TransistorTransistorLogIC is called for short TTL) signal is popular Say and be just the reduction of printed circuit board (PCB) (full name Printed Circuit Board is called for short PCB) wiring, Therefore the application on large-size screen monitors is the most prominent.
Further, the embodiment of the present application one audio-video frequency playing system, audio-video frequency playing system is TV Machine, wherein, the first audio-video signal be primary processor 110 receive TV signal source, from internet The sound of signal source, signal source that local side is downloaded or the AV device that is external in audio-video frequency playing system regard Frequency source signal, such as SD card data or usb data, the second audio-video signal is regarding in video system Frequently the HDMI signal source that form Bridge sheet is received by HDMI signal source.
Further, the embodiment of the present application one audio-video frequency playing system, motion compensation block diagram of frame rate converter, The second vision signal after superposition converts and screen display menu data
Motion compensation block diagram of frame rate converter 140 is respectively coupled to video format Bridge sheet 120, Video processing Device 130 and display screen 40, in order to the first video after receiving conversion from video format Bridge sheet 120 The second vision signal after signal or conversion, and based on motion detection and motion compensation (motion Estimation and motion compensation, MEMC) principle to conversion after main video signal or Outer video signal after conversion carries out frame-rate conversion (frame rate conversion, FRC), thus It is high-resolution and high frame per second by the first vision signal after conversion or the second video frequency signal processing after changing Vision signal, the such as video content from common 60Hz refresh rate rise to 120Hz or 240Hz and refresh The video content of rate, is then sent to display screen 40 by this high-resolution and high frame-rate video signal and broadcasts Put, thus improve the readability of motion picture.
What deserves to be explained is, in motion compensation block diagram of frame rate converter 140 also in order to connect from video processor 130 Receive screen display menu data, and by the screen display menu data accepted with turn afterwards after second regard Frequently signal is overlapped, and in overlap-add operation, can be first to carry out screen display menu data and turn The superposition of the second vision signal after changing, will be superimposed with the second video of screen display menu data the most again Signal transacting is high-resolution and high frame-rate video signal;Or by the second vision signal after conversion After being processed as high-resolution and high frame-rate video signal, then carry out the superposition of screen display menu data.With On be only that the order of overlap-add operation is different, and can produce to present on display screen 40 and show with screen The high-definition screen of menu data, the most above-mentioned overlay order also is not used to limit the application.
Further, the embodiment of the present application one audio-video frequency playing system, it is characterised in that also include coupling It is connected to power management module and the memory module of primary processor 110.
Primary processor 110 is coupled and video processor 130, video format Bridge sheet by I2C interface 120 and frequency system include audio format Bridge sheet 150, and communicate with them.
Below by way of the detailed description of the invention fortune to the audio-video frequency playing system disclosed by the embodiment of the present application Mode of making explanation for example.
When the first audio, video data is play by primary processor;
The audio frequency and video play by primary processor, it is defeated that its first audio, video data is changed into HDMI formatted data Going out, its voice data is changed into I2S and gives audio frequency apparatus broadcasting.The HDMI formatted data of primary processor is defeated Go out, give video processor, video processor output HDMI formatted data.Video processor output HDMI Formatted data is given HDMI and is turned V-by-One bridge sheet, and HDMI turns V-by-One bridge sheet output V-by-One Form the first audio, video data.HDMI turns V-by-One form first sound of V-by-One bridge sheet output and regards Frequency, according to giving FRC/MEMC chip, carries out frame rate conversion and is changed into high frame per second audio, video data and motion benefit Repay process, and give display screen broadcasting with V-by-One form.
Below by way of another detailed description of the invention to the audio-video frequency playing system disclosed by the embodiment of the present application Function mode explanation for example.
When the second audio, video data is inputted by vision signal multichannel input switch module 220HDMI interface, Second audio-video signal is can be defeated by multichannel input switch module HDMI with HDMI form audio-video signal Entering, HDMI variable connector can connect multiple HDMI input, and general 2-3 port is open to client. HDMI formatted data is delivered to HDMI by HDMI variable connector and is turned V-by-One bridge sheet, the second audio frequency and video number It is changed into V-by-One formatted data according in turning V-by-One bridge sheet at HDMI;HDMI turns V-by-One V-by-One form second audio, video data of bridge sheet output gives FRC/MEMC chip, carries out frame per second and turns Change and be changed into high frame per second audio, video data and motion compensation process, and give display screen with V-by-One form Play.
Its voice data exports SPDIF format audio data in HDMI turns V-by-One bridge sheet, passes through Self-defined connecting line between main part and the display device part of audio-video frequency playing system gives sound equipment system SPD IF in system turns I2S chip, and SPDIF format audio data is changed into I2S format audio number According to giving primary processor, primary processor output I2S data are play to audio frequency apparatus.
When user presses remote controller or button is controlled, the osd data of menu, by primary processor handle OSD audio, video data is changed into the output of HDMI form, gives video processor, and video processor is HDMI Formatted data is changed into LVDS formatted data and gives FRC/MEMC chip, osd data and the second video counts According to superposition in FRC/MEMC chip, and be changed into V-by-One formatted data deliver to display screen play.
Device embodiment described above is only schematically, wherein said illustrates as separating component Unit can be or may not be physically separate, the parts shown as unit can be or Person may not be physical location, i.e. may be located at a place, or can also be distributed to multiple network On unit.Some or all of module therein can be selected according to the actual needs to realize the present embodiment The purpose of scheme.Those of ordinary skill in the art are not in the case of paying performing creative labour, the most permissible Understand and implement.
Through the above description of the embodiments, those skilled in the art is it can be understood that arrive each reality The mode of executing can add the mode of required general hardware platform by software and realize, naturally it is also possible to by firmly Part.Based on such understanding, the portion that prior art is contributed by technique scheme the most in other words Dividing and can embody with the form of software product, this computer software product can be stored in computer can Read in storage medium, such as ROM/RAM, magnetic disc, CD etc., including some instructions with so that a meter Calculate machine equipment (can be personal computer, server, or the network equipment etc.) and perform each embodiment Or the method described in some part of embodiment.
Last it is noted that above example is only in order to illustrate the technical scheme of the application, rather than to it Limit;Although the application being described in detail with reference to previous embodiment, the ordinary skill of this area Personnel it is understood that the technical scheme described in foregoing embodiments still can be modified by it, or Person carries out equivalent to wherein portion of techniques feature;And these amendments or replacement, do not make corresponding skill The essence of art scheme departs from the spirit and scope of the application each embodiment technical scheme.

Claims (15)

1. the control equipment that an audio frequency is play, it is characterised in that including: the primary processor of electrical connection with Audio frequency apparatus, described primary processor receives the first audio-video signal, by described first audio-video signal First audio signal is changed and is sent to described audio frequency apparatus and plays out;
Described primary processor is connected by self defined interface with display device, by described first audio frequency and video letter The first vision signal in number is changed and is sent to described display device and shows.
The control equipment that audio frequency the most according to claim 1 is play, it is characterised in that also include:
Audio format Bridge sheet, for receiving what described display device was sent by described self defined interface Second audio signal, and the second audio signal after converting sends to described primary processor, described main place Described second audio signal is sent extremely described audio frequency apparatus and plays out by reason device.
The control equipment that audio frequency the most according to claim 1 is play, it is characterised in that described main place Reason device is additionally operable to according to the input instruction received, by the 3rd video in screen menu type regulative mode data Signal sends to described display device.
4. a video display apparatus, it is characterised in that described video display apparatus passes through self defined interface It is connected with main part, receives and show that main equipment processes according to the first audio-video signal received The first vision signal obtained, and described first vision signal is processed and shows.
Video display apparatus the most according to claim 4, it is characterised in that described video display apparatus Including: video processor, video format Bridge sheet, motion compensation block diagram of frame rate converter and display screen,
Described video processor receive described first vision signal, and will process after the first vision signal send out Delivering to described video format Bridge sheet, the data that conversion is obtained by described video format Bridge sheet send Carry out frame rate conversion and motion compensation process to described motion compensation block diagram of frame rate converter, described frame rate conversion and Data after motion compensation process are played out by described display screen.
Video display apparatus the most according to claim 5, it is characterised in that described video shows and sets For also including vision signal multichannel input switch module, in order to receive the second audio-video signal, and to video Form Bridge sheet sends described second audio-video signal, and described video format Bridge sheet is by described second The second vision signal in audio-video signal sends extremely described motion compensation block diagram of frame rate converter and carries out frame rate conversion And motion compensation process, the data after described frame rate conversion and motion compensation process are entered by described display screen Row is play.
Video display apparatus the most according to claim 6, it is characterised in that
The second audio signal in described second audio-video signal is passed through by described video format Bridge sheet Described self defined interface sends to described main part.
Video display apparatus the most according to claim 7, it is characterised in that described Video processing Device receives described 3rd vision signal, and sends the data after form conversion to described movement compensating frame Rate converter, described motion compensation block diagram of frame rate converter will process after data and described second vision signal After data after process are overlapped changing with form, shown by described display screen.
9. an audio-video frequency playing system, it is characterised in that include main part and display device,
Described main part includes primary processor and the audio frequency apparatus of electrical connection, and described primary processor receives the One audio-video signal, changes the first audio signal in described first audio-video signal and sends to described Audio frequency apparatus plays out;
Described main part is connected by self defined interface with described display device, by described first audio frequency and video The first vision signal in signal is changed and is sent to described display device and shows.
Audio-video frequency playing system the most according to claim 9, it is characterised in that described main part Divide and also include:
Audio format Bridge sheet, for receiving what described display device was sent by described self defined interface Second audio signal, and the second audio signal after converting sends to described primary processor, described main place Described second audio signal is sent extremely described audio frequency apparatus and plays out by reason device.
11. audio-video frequency playing systems according to claim 9, it is characterised in that described main process Device is additionally operable to according to the input instruction received, by the 3rd video letter in screen menu type regulative mode data Number send to described display device.
12. audio-video frequency playing systems according to claim 9, it is characterised in that described display device Including: video processor, video format Bridge sheet, motion compensation block diagram of frame rate converter and display screen,
Described video processor receive described first vision signal, and will process after the first vision signal send out Delivering to described video format Bridge sheet, the data that conversion is obtained by described video format Bridge sheet send Carry out frame rate conversion and motion compensation process to described motion compensation block diagram of frame rate converter, described frame rate conversion and Data after motion compensation process are played out by described display screen.
13. audio-video frequency playing systems according to claim 12, it is characterised in that described display sets For also including vision signal multichannel input switch module, in order to receive the second audio-video signal, and to video Form Bridge sheet sends described second audio-video signal, and described video format Bridge sheet is by described second The second vision signal in audio-video signal sends extremely described motion compensation block diagram of frame rate converter and carries out frame rate conversion And motion compensation process, the data after described frame rate conversion and motion compensation process are entered by described display screen Row is play.
14. audio-video frequency playing systems according to claim 13, it is characterised in that
The second audio signal in described second audio-video signal is passed through by described video format Bridge sheet Described self defined interface sends to described main part.
15. audio-video frequency playing systems according to claim 14, it is characterised in that at described video Reason device receives described 3rd vision signal, and sends the data after form conversion to described motion compensation Block diagram of frame rate converter, the data after described motion compensation block diagram of frame rate converter will process are believed with described second video Number process after data be overlapped with form change after, shown by described display screen.
CN201510958715.2A 2015-12-18 2015-12-18 Audio playing control equipment, video display equipment and audio and video playing system Pending CN105916029A (en)

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