CN101394490A - Non-compressed transmitting and receiving integrated display device for wireless digital high resolution audio and video signal - Google Patents
Non-compressed transmitting and receiving integrated display device for wireless digital high resolution audio and video signal Download PDFInfo
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Abstract
The invention discloses an uncompressed wireless digital high-definition audio and video signal transceiver display device which comprises a wireless high-definition transmitting device containing an interface module, an audio and video processing module and a wireless high-definition interface transmitting module and a wireless high-definition receiving display device containing a wireless interface receiving module, a digital audio and video processing module, a video image terminal display module, an audio output module and a bilateral control module of a remote controller, the transceiver display device can be compatible with a plurality of audio and video interfaces, flow media interfaces, network interfaces and TV interfaces for displaying high-definition programs through the uncompressed and ultra-low delayed transmission of signals between the wireless high-definition interface transmitting module and the wireless high-definition interface receiving module. Therefore, the transceiver display device has characteristics of high cover range, high through-wall anti-interference ability, simple system architecture and lower system cost and fully meets a family digital wireless multimedia application.
Description
Technical field
The present invention relates to the high resolution audio and video receiving and displaying device, particularly relate to a kind of transmitting and receiving integrated display device that does not have the wireless digital high resolution audio and video signal of compression.
Background technology
Fast development along with the digital high resolution audio and video technology, existing increasing display terminal has possessed the function that can receive and show digital high resolution audio and video signal, in existing these digital high resolution audio and video display terminals, normally in wired mode high resolution audio and video signal is inserted by the high resolution audio and video interface.Yet, now in the digital high resolution audio and video transmission system, exist HDMI, DVI, VGA, wired HD video transmission means that YPbPr or the like is different is because poor compatibility each other between these transmission meanss, just make and possess reception and show that the display terminal of digital high resolution audio and video signal need be provided with multiple interfaces, just can be adapted to the use of various different transmission meanss.But, after interface increases, brought certain degree of difficulty can on the one hand the layout designs of display terminal; The wiring of numerous and complicated has also caused inconvenience in many uses to the user on the other hand, also can cause the waste of wire rod and the raising of consumer cost simultaneously.Therefore, a kind of high resolution audio and video that replaces present wire transmission mode with the WirelessHD transmission means receives and emitter just arises at the historic moment, existing this device has two characteristics, characteristic be structurally include two independently box body be launch-box and receiving box, another characteristics are to have adopted compress mode on the transmission of wireless signals mode, thereby this device is provided with a plurality of high resolution audio and video interfaces that are adapted to different wire transmission modes on launch-box, on receiving box, then be provided with the interface that can be complementary with corresponding display terminal, the high resolution audio and video interface of launch-box is connected with corresponding high resolution audio and video transmission line, receiving box then is connected with display terminal by wired mode, between launch-box and receiving box, then adopt wireless mode to transmit audio-video signal, during transmission, the high resolution audio and video signal that launch-box inserts to be compressed processing earlier, then being transmitted to receiving box receives, receiving box then will give decompression to the received signal, just signal is exported to display terminal by wired mode then.But the high resolution audio and video of this WirelessHD transmission receives and emitter, on the one hand owing to there are two box bodys on the structure, particularly receiving box is put outside display terminal, caused the user in the wiring and the inconvenience on using, and needed independent remote controller to control transmitting and receiving device; On the other hand, owing to be to adopt compress mode to transmit in the wireless transmission process, thereby some drawbacks have been brought, the compression and the decompress(ion) itself of well-known video will bring decrease in image quality, and compress technique can be brought the raising of technical costs, moreover, video compression also can be subjected to certain limitation (as being that the high definition program that does not allow to compress is exported in U.S. Hollywood) when application-oriented, also have, because the process of compression and decompress(ion) will produce time-delay, the video of some video source output is incoercible (as game machine, PC), in addition, many wireless technology ubiquity coverages, transmission bandwidth, exist and postpone, the image threshold effect, problems such as antijamming capability deficiency, be up to 54M as 802.11a/b/g bandwidth in the IEEE802.11x series and can't transmit the high definition data, new 802.11n also can only transmit the high definition data after overcompression, and exists than long delay; Again such as UWB (ultra broadband) technology, though can transmitting the high definition program, it needs through encoding and decoding compression and decompress(ion), produce picture delay thus, more crucial is, and its transmission range is all very poor 10 meters left and right sides abilities anti-interference and through walls, can not satisfy the application of Modern Family fully; In addition, also there is the short drawback of transmission range in the wirelessHD technology.
Summary of the invention
The objective of the invention is to overcome the deficiency of prior art, a kind of transmitting and receiving integrated display device that does not have the wireless digital high resolution audio and video signal of compression is provided, can not have compression and ultralowly lingeringly transmit and show the high definition program, have the advantages that high coverage, high antijamming capability through walls and system architecture are simple, system cost is lower, can fully satisfy the family digital radio multimedium and use.
The technical solution adopted for the present invention to solve the technical problems is: a kind of transmitting and receiving integrated display device that does not have the wireless digital high resolution audio and video signal of compression comprises:
One WirelessHD emitter, comprise can be used for various multimedia audio-videos source carry out wired connection input interface module, can carry out audio frequency and video processing module that audio frequency and video handle and the WirelessHD interface transmitter module that digital audio-video signal can not had compressed transmissions to the front end input signal; The output of interface module is connected to the input of audio frequency and video processing module, and the latter carries out the audio frequency and video processing to the signal of the former output, and the output of audio frequency and video processing module is connected to WirelessHD interface transmitter module, and the latter does not have compressed transmissions with the former signal of output; Wherein, WirelessHD interface transmitter module comprises WirelessHD interface base band audio/video coding and modulation treatment unit, WirelessHD interface radio frequency transmitter unit, the wireless signal control unit, antenna, the input of WirelessHD interface base band audio/video coding and modulation treatment unit is connected with the output of audio frequency and video processing module, the output of WirelessHD interface base band audio/video coding and modulation treatment unit is connected to the input of WirelessHD interface radio frequency transmitter unit, the output of WirelessHD interface radio frequency transmitter unit is connected to antenna, the wireless signal control unit respectively with WirelessHD interface base band audio/video coding and modulation treatment unit, the audio frequency and video processing module is connected;
One WirelessHD receiving and displaying device, comprise that being used to not have compression receives the WirelessHD interface receiver module that WirelessHD interface transmitter module is transmitted, WirelessHD interface receiver module is carried out the digital audio/video processing module that digital audio/video is handled, video image terminal display module, the audio frequency output module, in order to receive the bilateral control module of remote controller of remote controller signal, the output of WirelessHD interface receiver module is connected to the input of digital audio/video processing module, and the output of digital audio/video processing module is connected to video image terminal display module respectively, the audio frequency output module; Wherein, WirelessHD interface receiver module comprises WirelessHD interface radio frequency receiving element, WirelessHD interface wireless baseband decoding unit, the wireless signal control unit, antenna, the input of WirelessHD interface radio frequency receiving element is connected with antenna, the output of WirelessHD interface radio frequency receiving element is connected to the input of WirelessHD interface wireless baseband decoding unit, the output of WirelessHD interface wireless baseband decoding unit is connected with the input of digital audio/video processing module, the wireless signal control unit respectively with WirelessHD interface base band audio/video coding and modulation treatment unit, the digital audio/video processing module is connected.
Described interface module comprises that video reception unit, television receiver unit, Streaming Media receive decoding unit, the network media receives the one or more and audio frequency receiving element in the decoding unit.
Described television receiver unit comprises cable television digital television interface, television decoder, and the output of cable television digital television interface is connected to the input of television decoder, and the output of television decoder is connected to the input of the video processor of audio frequency and video processing module.
Described video reception unit comprises one or more in HDMI interface, DVI interface, VGA interface, YPbPr/YCbCr interface, AV interface, S-VIDEO interface, the DISPLAYPORT interface.
Described Streaming Media receives decoding unit and comprises USB, the six directions one memory card reader interface and Streaming Media decoder, the output of USB, the six directions one memory card reader interface is connected to the input of Streaming Media decoder, and the output of Streaming Media decoder is connected to the input of the video processor of audio frequency and video processing module.
Described Streaming Media receives decoding unit and comprises USB, the six directions one memory card reader interface and Streaming Media decoder, the output of USB, the six directions one memory card reader interface is connected to the input of Streaming Media decoder, and the output of Streaming Media decoder is connected to the WirelessHD interface base band audio/video coding of WirelessHD interface transmitter module and the input of modulation treatment unit.
The described network media receives decoding unit and comprises network interface and network media decoder, and the output of network interface is connected to the input of network media decoder, and the output of network media decoder is connected to the input of the video processor of audio frequency and video processing module.
The described network media receives decoding unit and comprises network interface and network media decoder, the output of network interface is connected to the input of network media decoder, and the output of network media decoder is connected to the WirelessHD interface base band audio/video coding of WirelessHD interface transmitter module and the input of modulation treatment unit.
A kind of transmitting and receiving integrated display device that does not have the wireless digital high resolution audio and video signal of compression of the present invention, be to have adopted the WirelessHD interface module to realize not having the transmission of compressed wireless high-definition audio, video data signal, the WirelessHD interface module is to be used to connect video and display with the R-T unit that separates, and the WirelessHD projecting apparatus.The WirelessHD interface module is divided into WirelessHD interface transmitter module and WirelessHD interface receiver module, and employing joint Source-Channel Coding Technology and video modulation technology, utilize 4 * 5 aerial arrays to adopt MIMO multiple-input, multiple-output radio-frequency technique, use in the 5GHz frequency range of exempting to register, use the bandwidth (with 802.11n and the cordless telephone compatibility on the existing 5GHz frequency range) of OFDM modulation system and 20MHz, with 1.5Gbps～3Gbps transmission non-compression high definition video data signal (1080i, 1080P or higher), also can transmit multi-path digital audio frequency I2S and SPDIF signal simultaneously, need not during error code to pass again.The adaptive advantage of communication quality and signal environment guarantees its picture clear and smooth, and its effective transmission coverage is up to 30 meters.In addition, the picture delay of this kind wireless transmission method only is 1ms, and this ultralow view data has postponed fully to guarantee image real-time (showing as the image when connecting computer game equipment), and this is that other wireless technology institutes are inaccessiable.And but its transfer of data transmitted in both directions is to realize two-way control.The image wireless transmission guarantees the copyright protection of system safety and picture material through digital encryption.Insert rights management control by increasing wireless connections, realize reliable connection management.
A kind of transmitting and receiving integrated display device that does not have the wireless digital high resolution audio and video signal of compression of the present invention is by a WirelessHD emitter, a WirelessHD receiving and displaying device and be used for display unit is realized that the remote controller of control constitutes.The WirelessHD emitter is provided with interface module, interface module is used for the input that is connected with various multimedia audio-videos source, the audio-video signal of simulation (or numeral) is become digital audio/video through digital-to-analogue conversion (or decoding), simultaneously Streaming Media and network data are decoded into digital audio-video signal, send into the audio frequency and video processing module, the audio frequency and video processing module is carried out the audio frequency and video processing to the signal of input, treated audio frequency and video digital signal is admitted to WirelessHD interface transmitter module and launches, in WirelessHD interface transmitter module, encode the digital audio-video signal of its front end input and modulate in WirelessHD interface base band audio/video coding and modulation treatment unit, deliver to WirelessHD interface radio frequency transmitter unit with baseband signal, through being loaded on the carrier wave of 5GHz, radiofrequency signal is amplified the form emission output with the multichannel antenna, wherein, the MAC of wireless transmission control, channel selection and Control on Communication etc. are finished management control by the wireless signal control unit.The WirelessHD receiving and displaying device is provided with video image terminal display module, the audio frequency output module is used for terminal demonstration and audio frequency output, pass through the radiofrequency signal of wireless receiving after decoding processing by WirelessHD interface receiver module, the output digital audio-video signal is given the digital audio/video processing module, carry out image processing and Audio Processing respectively by the digital audio/video processing module, at last by video image terminal display module, the audio frequency output module carries out video image demonstration and analogue audio frequency output respectively, in WirelessHD interface receiver module, handle output baseband signal in back by the radiofrequency signal that antenna receives through WirelessHD interface radio frequency receiving element, baseband signal is sent into WirelessHD interface wireless baseband decoding unit and is carried out decoding processing, export digital audio-video signal then and give the digital audio/video processing module, wherein, the MAC of wireless receiving control, channel selection and Control on Communication etc. are finished management control by the wireless signal control unit.Remote controller is used for users such as R-T unit switching on and shutting down and display screen OSD operation and uses Interface Control, operating side as management control, by the wireless signal control unit in its control wireless transmission and the wireless receiving module, managing the two-way control that wireless transmission connects authority and RFDC.
The invention has the beneficial effects as follows, owing to adopted WirelessHD emitter and WirelessHD receiving and displaying device to realize the transmission of the no compressed wireless high-definition signal of transmitting and receiving integrated display device, has the adaptive advantage of communication quality and signal environment, can not have compression and ultralowly lingeringly transmit and show the high definition program, has high coverage, high antijamming capability through walls and system architecture are simple, the characteristics that system cost is lower, can fully satisfy the family digital radio multimedium uses, the clear and smooth and the image real-time of picture have been guaranteed, the user only needs to operate by remote controller, show based on display screen OSD, easily realize two-way double-ended control, numerous interfaces be connected freely, make this product become real multimedia display terminal.
The present invention compared with prior art has the following advantages:
| The WirelessHD interface | 60GHz | WiFi ﹠amp; UWB | |
| Image | There is not the problem that causes not having image output because of the image threshold effect in picture quality with the adaptive change of channel SNR value. | There is threshold effect | When image is lower than thresholding in the channel SNR value, no image output.There is threshold effect |
| Quality | Average 43dB PSNR signal to noise ratio | High s/n ratio-TBD | Average 30-35dB PSNR signal to noise ratio |
| Stability | Very high | Quite responsive to the interference around the place | Can't frame decoding in the process that error code can cause compressing once more |
| Recompression | Do not have | Do not have | Need recompression, make image quality decrease |
| Transmitting range | 30m can (cement wall) through walls | ＜10m can not be through walls | ~ 10m......UWB〉30m......WiFi limited (UWB) through walls |
| Audio-visual synchronization postpones | Be less than 1mS | TBD | The maximum delays of potential audio-visual synchronization delayed video can reach 20～30ms |
| Cost and responsible degree | Low cost, low complex degree need not to compress, error code retransmits, video memory is less than the delay of 1ms | Expensive, high responsible degree technology is responsible for still immature, and antenna is responsible for | Cost is medium, and being responsible for spending higher compression and decompress(ion) increases two-way hardware cost ($$) memory, RF make cost increase ($$ simultaneously) postpone and error code repeating transmission having increased system's property be responsible for and cost ($$) |
Below in conjunction with drawings and Examples the present invention is described in further detail; But a kind of transmitting and receiving integrated display device that does not have the wireless digital high resolution audio and video signal of compression of the present invention is not limited to embodiment.
Description of drawings
Fig. 1 is a structured flowchart of the present invention;
Fig. 2 is the structured flowchart of WirelessHD emitter of the present invention;
Fig. 3 is the structured flowchart of WirelessHD emitter of the present invention (interface module connected mode one);
Fig. 4 is the structured flowchart of WirelessHD emitter of the present invention (interface module connected mode two);
Fig. 5 is the structured flowchart of WirelessHD receiving and displaying device of the present invention.
Embodiment
Referring to shown in Figure 1, a kind of transmitting and receiving integrated display device that does not have the wireless digital high resolution audio and video signal of compression of the present invention comprises:
One WirelessHD emitter 100, comprise can be used for various multimedia audio-videos source carry out wired connection input interface module 1, can carry out audio frequency and video processing module 2 that audio frequency and video handle and the WirelessHD interface transmitter module 3 that digital audio-video signal can not had compressed transmissions to the front end input signal; The output of interface module 1 is connected to the input of audio frequency and video processing module 2, and the latter carries out the audio frequency and video processing to the signal of the former output, and the output of audio frequency and video processing module 2 is connected to WirelessHD interface transmitter module 3, and the latter does not have compressed transmissions with the former signal of output; Wherein, WirelessHD interface transmitter module 3 comprises WirelessHD interface base band audio/video coding and modulation treatment unit 31, WirelessHD interface radio frequency transmitter unit 32, wireless signal control unit 33, antenna 34, the input of WirelessHD interface base band audio/video coding and modulation treatment unit 31 is connected with the output of audio frequency and video processing module 2, the output of WirelessHD interface base band audio/video coding and modulation treatment unit 31 is connected to the input of WirelessHD interface radio frequency transmitter unit 32, the output of WirelessHD interface radio frequency transmitter unit 32 is connected to antenna 34, wireless signal control unit 33 respectively with WirelessHD interface base band audio/video coding and modulation treatment unit 31, audio frequency and video processing module 2 is connected;
One WirelessHD receiving and displaying device 200, comprise that being used to not have compression receives the WirelessHD interface receiver module 4 that WirelessHD interface transmitter module is transmitted, WirelessHD interface receiver module 4 is carried out the digital audio/video processing module 5 that digital audio/video is handled, video image terminal display module 61, audio frequency output module 62, in order to receive the bilateral control module 7 of remote controller of remote controller signal, the output of WirelessHD interface receiver module 4 is connected to the input of digital audio/video processing module 5, and the output of digital audio/video processing module 5 is connected to video image terminal display module 61 respectively, audio frequency output module 62; Wherein, WirelessHD interface receiver module 4 comprises WirelessHD interface radio frequency receiving element 41, WirelessHD interface wireless baseband decoding unit 42, wireless signal control unit 43, antenna 44, the input of WirelessHD interface radio frequency receiving element 41 is connected with antenna 44, the output of WirelessHD interface radio frequency receiving element 41 is connected to the input of WirelessHD interface wireless baseband decoding unit 42, the output of WirelessHD interface wireless baseband decoding unit 42 is connected with the input of digital audio/video processing module 5, wireless signal control unit 43 respectively with WirelessHD interface wireless baseband decoding unit 42, digital audio/video processing module 5 is connected.
A kind of transmitting and receiving integrated display device that does not have the wireless digital high resolution audio and video signal of compression of the present invention, be to have adopted the WirelessHD interface module to realize not having the transmission of compressed wireless high-definition audio, video data signal, the WirelessHD interface module is to be used to connect video and display with the R-T unit that separates, and the WirelessHD projecting apparatus.The WirelessHD interface module is divided into WirelessHD interface transmitter module 3 and WirelessHD interface receiver module 4, and employing joint Source-Channel Coding Technology and video modulation technology, utilize 4 * 5 aerial arrays to adopt MIMO multiple-input, multiple-output radio-frequency technique, use in the 5GHz frequency range of exempting to register, use the bandwidth (with 802.11n and the cordless telephone compatibility on the existing 5GHz frequency range) of OFDM modulation system and 20MHz, with 1.5Gbps～3Gbps transmission non-compression high definition video data signal (1080i, 1080P or higher), also can transmit multi-path digital audio frequency I2S and SPDIF signal simultaneously, need not during error code to pass again.The adaptive advantage of communication quality and signal environment guarantees its picture clear and smooth, and its effective transmission coverage is up to 30 meters.In addition, the picture delay of this kind wireless transmission method only is 1ms, and this ultralow view data has postponed fully to guarantee image real-time (showing as the image when connecting computer game equipment), and this is that other wireless technology institutes are inaccessiable.And but its transfer of data transmitted in both directions is to realize two-way control.The image wireless transmission guarantees the copyright protection of system safety and picture material through digital encryption.Insert rights management control by increasing wireless connections, realize reliable connection management.
A kind of transmitting and receiving integrated display device that does not have the wireless digital high resolution audio and video signal of compression of the present invention is by a WirelessHD emitter 100, a WirelessHD receiving and displaying device 200 and be used for display unit is realized that the remote controller of control constitutes.WirelessHD emitter 100 is provided with interface module 1, interface module 1 is used for the input that is connected with various multimedia audio-videos source, the audio-video signal of simulation (or numeral) is become digital audio/video through digital-to-analogue conversion (or decoding), simultaneously Streaming Media and network data are decoded into digital audio-video signal, send into audio frequency and video processing module 2, the signal of 2 pairs of inputs of audio frequency and video processing module carries out audio frequency and video to be handled, treated audio frequency and video digital signal is admitted to WirelessHD interface transmitter module 3 and launches, in WirelessHD interface transmitter module 3, encode the digital audio-video signal of its front end input and modulate in WirelessHD interface base band audio/video coding and modulation treatment unit 31, deliver to WirelessHD interface radio frequency transmitter unit 32 with baseband signal, through being loaded on the carrier wave of 5GHz, radiofrequency signal is amplified the form emission output with multichannel antenna 34, wherein, the MAC of wireless transmission control, channel selection and Control on Communication etc. are finished management control by wireless signal control unit 33.WirelessHD receiving and displaying device 4 is provided with video image terminal display module 61, audio frequency output module 62 is used for terminal demonstration and audio frequency output, pass through the radiofrequency signal of wireless receiving after decoding processing by WirelessHD interface receiver module 4, the output digital audio-video signal is given digital audio/video processing module 5, carry out image processing and Audio Processing respectively by digital audio/video processing module 5, at last by video image terminal display module 61, audio frequency output module 62 carries out video image demonstration and analogue audio frequency output respectively, in WirelessHD interface receiver module 4, handle output baseband signal in back by the radiofrequency signal that antenna 44 receives through WirelessHD interface radio frequency receiving element 41, baseband signal is sent into WirelessHD interface wireless baseband decoding unit 42 and is carried out decoding processing, export digital audio-video signal then and give digital audio/video processing module 5, wherein, the MAC of wireless receiving control, channel selection and Control on Communication etc. are finished management control by wireless signal control unit 43.Remote controller is used for users such as R-T unit switching on and shutting down and display screen OSD operation and uses Interface Control, operating side as management control, by the wireless signal control unit in its control wireless transmission and the wireless receiving module, managing the two-way control that wireless transmission connects authority and RFDC.
Below, describe application of the present invention in detail in conjunction with Fig. 2 to Fig. 5:
Referring to Fig. 2, shown in Figure 3, a kind of transmitting and receiving integrated display device that does not have the wireless digital high resolution audio and video signal of compression of the present invention, its WirelessHD emitter 100 has comprised interface module 1, audio frequency and video processing module 2, WirelessHD interface transmitter module 3 and remote control receiving element (not shown), because WirelessHD emitter 100 separates from WirelessHD receiving and displaying device 200, therefore, also can regard WirelessHD emitter 100 as a radio multimedium box, remote control receiving element in it is mainly used in and receives switching on and shutting down signal that remote controller sends and receive and dispatch display unit and shake hands when being connected to the switching on and shutting down control of radio multimedium box and at first media box and the WirelessHD carried out realizing, the user can be by remote controller to media box and receive display end and carry out remote control, and then finishes the both-end coupling of shaking hands.The interface module 1 of WirelessHD emitter 100 has comprised video reception unit 11, television receiver unit 12, Streaming Media receives decoding unit 13, the network media receives decoding unit 14 and audio frequency receiving element 15, video reception unit 11 for interface module 1, television receiver unit 12, Streaming Media receives decoding unit 13, the network media receives decoding unit 14, can have simultaneously, also can have only one of them, or wherein two, or wherein three, in order to make the compatible numerous audio-video interface of transmitting and receiving integrated display device energy of the present invention, the Streaming Media interface, network interface, the TV interface, therefore, preferred mode is to include video reception unit 11 in the interface module 1 of WirelessHD emitter 100, television receiver unit 12, Streaming Media receives decoding unit 13, the network media receives decoding unit 14; Audio frequency and video processing module 2 includes video processing unit 21, audio treatment unit 22, video/audio control unit 23, memory cell 24; Video reception unit 11, television receiver unit 12, Streaming Media receives decoding unit 13, the output of network media reception decoding unit 14 is connected to the input of video processing unit 21 respectively, the output of audio frequency receiving element 15 is connected to the input of audio treatment unit 22, memory cell 24 is connected with video processing unit 21, video/audio control unit 23 respectively with video processing unit 21, audio treatment unit 22 is connected, video processing unit 21, the output of audio treatment unit 22 is connected to the input of WirelessHD interface base band audio/video coding and modulation treatment unit 31 respectively, and video/audio control unit 23 is connected with wireless signal control unit 33.Video reception unit 11 has comprised various video interfaces, and as HDMI interface, DVI interface, VGA interface, YPbPr/YCbCr interface, AV interface, S-VIDEO interface, DISPLAYPORT interface etc., the output of various video interfaces connects video processing unit 21; Television receiver unit 12 comprises cable television digital television interface 121, television decoder 122, and the output of cable television digital television interface 121 is connected to the input of television decoder 122, and the output of television decoder 122 is connected to the input of video processing unit 21; Streaming Media receives decoding unit 13 and comprises USB, the six directions one memory card reader interface 131 and Streaming Media decoder 132, the output of USB, the six directions one memory card reader interface 131 is connected to the input of Streaming Media decoder 132, and the output of Streaming Media decoder 132 is connected to the input of video processing unit 21; Receive decoding unit 13 for Streaming Media, also has another kind of connected mode, as shown in Figure 4, the output of USB, the six directions one memory card reader interface 131 is connected to the input of Streaming Media decoder 132, and the output of Streaming Media decoder 132 is connected to the input of WirelessHD interface base band audio/video coding and modulation treatment unit 31; The network media receives decoding unit 14 and comprises network interface 141 (as Ethernet interface) and network media decoder 142, the output of network interface 141 is connected to the input of network media decoder 142, and the output of network media decoder 142 is connected to the input of video processing unit 21; Receive decoding unit 14 for the network media, also has another kind of connected mode, as shown in Figure 4, the output of network interface 141 is connected to the input of network media decoder 142, and the output of network media decoder 142 is connected to the input of WirelessHD interface base band audio/video coding and modulation treatment unit 31.In WirelessHD emitter 100, be input as example with TV signal, after TV signal is input to television receiver unit 12, decoding processing output analog or digital vision signal, this vision signal is delivered to video processing unit 21, handle the back through vision signal and deliver to WirelessHD interface transmitter module 3 with digital video signal, encode the digital audio and video signals of its front end input and modulate in WirelessHD interface baseband coding in WirelessHD interface transmitter module 3 and modulation treatment unit 31, deliver to rf transmitter unit 32 with baseband signal, through being loaded on the carrier wave of 5GHz, radiofrequency signal is amplified the form emission output with the multichannel antenna.Finish management control in the MAC of wireless transmission control, channel selection and Control on Communication etc. by wireless signal control unit 33.Audio signal is delivered to WirelessHD interface transmitter module 3 through audio treatment unit 22 backs with digital audio and video signals, finishes emission in the same way.Wherein all audio frequency and video channel selecting and processing controls are finished by audio frequency and video control unit 23.
Referring to shown in Figure 5, a kind of transmitting and receiving integrated display device that does not have the wireless digital high resolution audio and video signal of compression of the present invention, its WirelessHD receiving and displaying device 200 has comprised WirelessHD interface receiver module 4, digital audio/video processing module 5, video image terminal display module 61, audio frequency output module 62, the bilateral control module of remote controller (being that remote control receives control module) 7 and cable video input unit 81, wireline audio input unit 82.Digital audio/video processing module 5 includes digital video-processing unit and control unit 51, digital audio handles and control unit 52, memory cell 53; Remote control receives control module 7 and comprises remote control receiving element 71, control unit 72; The effect of cable video input unit 81, wireline audio input unit 82 is the functions that can realize regular display by wired audio frequency and video input, the output of cable video input unit 81 is connected to the input of digital video-processing unit and control unit 51, and the output of wireline audio input unit 82 is connected to the input of digital audio processing and control unit 52; Remote control receiving element 71 is used to receive the signal from remote controller, and the output of remote control receiving element 71 is connected to control unit 72, and the output of control unit 72 is connected to digital video-processing unit and control unit 51; Digital video-processing unit and control unit 51 are connected with memory cell 53, the output of the WirelessHD interface wireless baseband decoding unit 42 of WirelessHD interface receiver module 4 is connected to digital video-processing unit and control unit 51 respectively, the input of digital audio processing and control unit 52, the output of digital video-processing unit and control unit 51 is connected to video image terminal display module 61, digital audio is handled and the output of control unit 52 is connected to audio frequency output module 62, wireless signal control unit 43 respectively with WirelessHD interface wireless baseband decoding unit 42, digital video-processing unit and control unit 51 are connected.In WirelessHD receiving and displaying device 200, the radiofrequency signal that is received by antenna 44 is through WirelessHD interface radio frequency receiving element 41 output baseband signals, after send into WirelessHD interface wireless baseband decoding unit 42 output digital audio-video signals.All deliver to digital video-processing unit and control unit 51 carries out image processing by the digital video signal of WirelessHD interface receiver module 4 output digital video signals and cable video input unit 81 outputs, deliver to video image terminal display module 61 at last and show.By WirelessHD interface receiver module 4 and wireline audio input unit 82 outputting digital audio signals, be input to digital audio and handle and control unit 52, through sound, sound effect, volume, amplification or the like a series of processing, the back is by 62 outputs of audio frequency output module.Remote control receiver module 7 is accepted the signal that remote controller sends by receiving element 71, delivers to control unit 72 after the decoding, is communicated by letter with digital audio/video control unit and wireless signal control unit by control unit 72 and carries out the control corresponding response.In the two-way control of remote control, promptly the wireless medium box is controlled with remote control, be the transmitter module that passes back to the WirelessHD interface by the receiver module process data of WirelessHD interface at this moment, the The whole control signal is controlled by this path.
The foregoing description only is used for further specifying a kind of transmitting and receiving integrated display device that does not have the wireless digital high resolution audio and video signal of compression of the present invention; but the present invention is not limited to embodiment; every foundation technical spirit of the present invention all falls in the protection range of technical solution of the present invention any simple modification, equivalent variations and modification that above embodiment did.
Claims (8)
1. transmitting and receiving integrated display device that does not have the wireless digital high resolution audio and video signal of compression is characterized in that: comprising:
One WirelessHD emitter, comprise can be used for various multimedia audio-videos source carry out wired connection input interface module, can carry out audio frequency and video processing module that audio frequency and video handle and the WirelessHD interface transmitter module that digital audio-video signal can not had compressed transmissions to the front end input signal; The output of interface module is connected to the input of audio frequency and video processing module, and the latter carries out the audio frequency and video processing to the signal of the former output, and the output of audio frequency and video processing module is connected to WirelessHD interface transmitter module, and the latter does not have compressed transmissions with the former signal of output; Wherein, WirelessHD interface transmitter module comprises WirelessHD interface base band audio/video coding and modulation treatment unit, WirelessHD interface radio frequency transmitter unit, the wireless signal control unit, antenna, the input of WirelessHD interface base band audio/video coding and modulation treatment unit is connected with the output of audio frequency and video processing module, the output of WirelessHD interface base band audio/video coding and modulation treatment unit is connected to the input of WirelessHD interface radio frequency transmitter unit, the output of WirelessHD interface radio frequency transmitter unit is connected to antenna, the wireless signal control unit respectively with WirelessHD interface base band audio/video coding and modulation treatment unit, the audio frequency and video processing module is connected;
One WirelessHD receiving and displaying device, comprise that being used to not have compression receives the WirelessHD interface receiver module that WirelessHD interface transmitter module is transmitted, WirelessHD interface receiver module is carried out the digital audio/video processing module that digital audio/video is handled, video image terminal display module, the audio frequency output module, in order to receive the bilateral control module of remote controller of remote controller signal, the output of WirelessHD interface receiver module is connected to the input of digital audio/video processing module, and the output of digital audio/video processing module is connected to video image terminal display module respectively, the audio frequency output module; Wherein, WirelessHD interface receiver module comprises WirelessHD interface radio frequency receiving element, WirelessHD interface wireless baseband decoding unit, the wireless signal control unit, antenna, the input of WirelessHD interface radio frequency receiving element is connected with antenna, the output of WirelessHD interface radio frequency receiving element is connected to the input of WirelessHD interface wireless baseband decoding unit, the output of WirelessHD interface wireless baseband decoding unit is connected with the input of digital audio/video processing module, the wireless signal control unit respectively with WirelessHD interface base band audio/video coding and modulation treatment unit, the digital audio/video processing module is connected.
2. a kind of transmitting and receiving integrated display device that does not have the wireless digital high resolution audio and video signal of compression according to claim 1 is characterized in that: described interface module comprises that video reception unit, television receiver unit, Streaming Media receive decoding unit, the network media receives the one or more and audio frequency receiving element in the decoding unit.
3. a kind of transmitting and receiving integrated display device that does not have the wireless digital high resolution audio and video signal of compression according to claim 2, it is characterized in that: described television receiver unit comprises cable television digital television interface, television decoder, the output of cable television digital television interface is connected to the input of television decoder, and the output of television decoder is connected to the input of the video processor of audio frequency and video processing module.
4. a kind of transmitting and receiving integrated display device that does not have the wireless digital high resolution audio and video signal of compression according to claim 2 is characterized in that: described video reception unit comprises one or more in HDMI interface, DVI interface, VGA interface, YPbPr/YCbCr interface, AV interface, S-VIDEO interface, the DISPLAYPORT interface.
5. a kind of transmitting and receiving integrated display device that does not have the wireless digital high resolution audio and video signal of compression according to claim 2, it is characterized in that: described Streaming Media receives decoding unit and comprises USB, the six directions one memory card reader interface and Streaming Media decoder, the output of USB, the six directions one memory card reader interface is connected to the input of Streaming Media decoder, and the output of Streaming Media decoder is connected to the input of the video processor of audio frequency and video processing module.
6. a kind of transmitting and receiving integrated display device that does not have the wireless digital high resolution audio and video signal of compression according to claim 2, it is characterized in that: described Streaming Media receives decoding unit and comprises USB, the six directions one memory card reader interface and Streaming Media decoder, the output of USB, the six directions one memory card reader interface is connected to the input of Streaming Media decoder, and the output of Streaming Media decoder is connected to the WirelessHD interface base band audio/video coding of WirelessHD interface transmitter module and the input of modulation treatment unit.
7. a kind of transmitting and receiving integrated display device that does not have the wireless digital high resolution audio and video signal of compression according to claim 2, it is characterized in that: the described network media receives decoding unit and comprises network interface and network media decoder, the output of network interface is connected to the input of network media decoder, and the output of network media decoder is connected to the input of the video processor of audio frequency and video processing module.
8. a kind of transmitting and receiving integrated display device that does not have the wireless digital high resolution audio and video signal of compression according to claim 2, it is characterized in that: the described network media receives decoding unit and comprises network interface and network media decoder, the output of network interface is connected to the input of network media decoder, and the output of network media decoder is connected to the WirelessHD interface base band audio/video coding of WirelessHD interface transmitter module and the input of modulation treatment unit.
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| Application Number | Priority Date | Filing Date | Title |
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| CNA2007100095660A CN101394490A (en) | 2007-09-20 | 2007-09-20 | Non-compressed transmitting and receiving integrated display device for wireless digital high resolution audio and video signal |
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| Application Number | Priority Date | Filing Date | Title |
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| CNA2007100095660A CN101394490A (en) | 2007-09-20 | 2007-09-20 | Non-compressed transmitting and receiving integrated display device for wireless digital high resolution audio and video signal |
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