CN1909635A - Interface method and device for signal source and broadcast equipment - Google Patents
Interface method and device for signal source and broadcast equipment Download PDFInfo
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- CN1909635A CN1909635A CN 200510036215 CN200510036215A CN1909635A CN 1909635 A CN1909635 A CN 1909635A CN 200510036215 CN200510036215 CN 200510036215 CN 200510036215 A CN200510036215 A CN 200510036215A CN 1909635 A CN1909635 A CN 1909635A
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Abstract
The invention relates to an interface method between signal source and player, and a relative device, wherein it sets the signal source device as the inserter with uniform standard; at one end of inserter, arranging the inserter connected to the circuit of signal source inside the frame; at the frame of voice/video player, arranging the plug of inserter; in each plug, arranging the connector meshed with the inserter of signal source; and the circuit connection between said inserter and player at least comprises: HDMI wire, power wire, sound signal wire, image signal wire, serial communication wire and frame shield wire, to power the signal source inserted on the inserter powered by player and communicate with player. The invention can realize best play effect of digit TV, with better expanding property.
Description
Technical field
The present invention relates to the Digital Television interfacing, specifically, relate to interface method and device between a kind of analog or digital audio/video signal source and the playback equipment, can be applicable to interface between signal sources such as analog television program, digital TV set-top box, DVD, DVB and IPTV and the A/V playback equipment.
Background technology
Traditional A/V signal and its playback equipment are realized interconnection by the S terminal of supporting analog signal or the DVI interface of supporting digital signal.The former does not support the TV signal transmission of high definition, and latter's Digital Transmission bandwidth can not satisfy many-sided needs, and versatility is not enough.Not compression, totally digitilized audio/video interface that HDMI (HDMI (High Definition Multimedia Interface)) is supported by more and more enterprises can provide the connectivity scenario of one plugging type for interconnecting between audio/video signal source and the digital playing apparatus.Prior art is utilized mode and other interconnection modes and the indistinction of this interface, be to realize by the cable that a double headed roller meets the connector of HDMI standard, mainly there is the following aspects in its deficiency, the one, globality is poor, it is very universal that playback equipment connects a plurality of signal sources, it is long to connect the mode line outward, makes whole system wordy; The 2nd, each signal source needs independently power supply and remote controller, uses inconvenient; The 3rd, can not the compatible signal source and playback equipment between analog signal, this is gradual especially unfavorable from the simulation-to-digital development to Play System, is difficult to satisfy at short notice the demand of each aspect.
Summary of the invention
The technical problem to be solved in the present invention is for a kind of good integrity, flexibility height being provided between multiple signal source and the playback equipment, using signal source and interface method between the playback equipment and equipment more convenient and that have the analog signal compatibility.
The above-mentioned technical problem of the present invention solves like this, constructs the interface method between a kind of signal source and the playback equipment, may further comprise the steps:
The unified each other plug-in unit of dimensions is set on the shell with each signal source device, and the terminal of plug-in unit is connected with the circuit of signal source device in the shell;
The slot that one or more can put into a described signal source device shell respectively is set on the casing of audio/video playback device;
Be provided with the connector that can be connected with a joggle with plug-in unit on the described signal source device in each slot, connector is connected with circuit in the casing;
Between described signal source device plug-in unit and described playback equipment connector, carry out following line: the HDMI line, the power supply line, the voice signal line, the picture intelligence line, serial communication line and housing shroud line, the signal source device that makes each be inserted on the playback equipment connector communicates by the playback equipment power supply and with playback equipment.
In according to the interface method between signal source provided by the invention and the playback equipment, the HDMI line comprises TMDS, DDC and CEC splicing ear, the voice signal line comprises audio frequency ground, right audio frequency, left audio frequency terminal, and the picture intelligence line comprises video ground Y, U and V terminal.
In according to the interface method between signal source provided by the invention and the playback equipment, after described playback equipment is received remote signal, carry out following steps: determine to which signal source device power supply according to device code; By described power supply line to the power supply of the signal source chosen and according to the remote command sign indicating number by the work of serial communication line control signal source apparatus, signal source device or send digital audio/video signals to playback equipment by the HDMI line perhaps provides audio/video signal by voice signal line and picture intelligence line to playback equipment.
Solving so on the other hand of the above-mentioned technical problem of the present invention, construct the interface equipment between a kind of signal source and the playback equipment, comprise signal source device and playback equipment, wherein the shell of signal source device is provided with plug-in unit, and the terminal of plug-in unit is connected with the circuit of signal source device in the shell; The slot that one or more can put into a described signal source device respectively wherein is set on the casing of playback equipment, in each slot, be provided with the connector that can be connected with a joggle with plug-in unit on the described signal source device, between the circuit in connector and the playback equipment casing and comprise following signal link between this connector and the plug-in unit: the HDMI line, the power supply line, the voice signal line, the picture intelligence line, serial communication line and housing shroud line, the signal source device that makes each be inserted on the playback equipment connector communicates by the playback equipment power supply and with playback equipment.
In according to the interface equipment between signal source provided by the invention and the playback equipment, the HDMI line comprises TMDS, DDC and CEC splicing ear, the voice signal line comprises audio frequency ground, right audio frequency, left audio frequency terminal, and the picture intelligence line comprises video ground Y, U and V terminal.
In according to the interface equipment between signal source provided by the invention and the playback equipment, after described playback equipment is received remote signal, carry out following steps: determine to which signal source device power supply according to device code; By described power supply line to the power supply of the signal source chosen and according to the remote command sign indicating number by the work of serial communication line control signal source apparatus, signal source device or send digital audio/video signals to playback equipment by the HDMI line perhaps provides audio/video signal by voice signal line and picture intelligence line to playback equipment.
In according to the interface equipment between signal source provided by the invention and the playback equipment, described signal source device comprises a kind or 2 kinds or 3 kinds in simulated television receiving system, DVD receiving system, DVB receiving system or the IPTV receiving system.
In according to the interface equipment between signal source provided by the invention and the playback equipment, described playback equipment comprises that remote control receives the control receiving element.
In according to the interface equipment between signal source provided by the invention and the playback equipment, comprise that also sends the remote controller that signal is described remote control receiving element reception, the code value sequence of described remote controller emission is made up of the device number+function key assignments of signal source device.
In according to the interface equipment between signal source provided by the invention and the playback equipment, described HDMI line, power supply line, voice signal line, picture intelligence line, serial communication line and housing shroud line comprise following 31 lead-in wires or terminal: the DC12V of 1 pin and 2 pin, the POWER-GND of 3 pin and 4 pin, the TMDS data 2+ of 5 pin, TMDS data 2 shieldings of 6 pin, the TMDS data 2-of 7 pin, the TMDS data 1+ of 8 pin, TMDS data 1 shielding of 9 pin, the TMDS data 1-of 10 pin, the TMDS data 0+ of 11 pin, TMDS data 0 shielding of 12 pin, the TMDS data 0+ of 13 pin, the TMDS data 0+ of 14 pin, the TMDS clock shielding of 15 pin, the TMDS clock of 16 pin-, the CEC of 17 pin, the NC of 18 pin, the SCL of 19 pin, the SYS-SDA of 20 pin, the SYS-CLK of 21 pin, the AGND of 22 pin, the AUDIO-L of 23 pin, the AUDIO-R of 24 pin, the YGNDL of 25 pin, the Y of 26 pin, the U of 27 pin, the V of 28 pin, the DC12V/5A of 29 pin, the shell ground SHIELD-GND of the POWER-GND of 30 pin and 31 pin.
Implement the interface method and the equipment of signal source provided by the invention and playback equipment, owing to taken into full account the diversity and the following extended capability of performance Digital Television optimal display result and the system aspect factor of signal source, adopted modularized design, promptly with the digital TV in high resolution machine as normal play equipment, be equipped with the modularization of the signal source of taking into account analog and digital signal, realize that product is plugged into conveniently and expansion is flexible, like this, can embody Digital Television source display standard fully, can also watch dissimilar Digital Television sources simultaneously, as digital broadcast source, the present stage simulated television also can be finished to the transition of Digital Television in digital broadcast source and digital network source etc.Function upgrading or increase new function only need be chosen the functional module that meets the signal source interface and get final product, with lower and flexibly cost being used in combination of difference in functionality module and Digital Television is provided, support independent use simultaneously.Because the characteristics of the flexible configuration of " modularization " are also expanded the consumer field of having extended product, new technology, new product can pass through to add module newly developed, thereby are applied in the adding system.
Description of drawings
The invention will be further described below in conjunction with drawings and Examples, in the accompanying drawing:
Fig. 1 is the structural representation of the playback equipment that uses in this interface method and the equipment;
Fig. 2 is the logic diagram of the playback equipment among the present invention;
Fig. 3 is the connector pin schematic diagram in interface method of the present invention and the equipment;
Fig. 4 is the connection diagram of signal source device of the present invention and signal source interface unit;
Fig. 5 is the connection diagram of interface equipment in the playback equipment of the present invention;
Fig. 6-the 8th, the remote controller schematic diagram of cooperation playback equipment of the present invention.
Embodiment
In the structural representation of the playback equipment that the present invention shown in Fig. 1 adopts, comprise cabinet 1 and remote controller 2, also comprise DVD signal source device 3, DVB signal source device 4 and IP-TV signal source device 5, the front of cabinet 1 is high-resolution display screen, the front of cabinet also is provided with infrared remote-controlled signal receiver window (not shown), the lower rear of cabinet 1 is provided with terminal block 9 and the top is provided with three patches notch, be respectively first to patch notch 6, second patches notch 7 and the 3rd patches notch 8, each notch has identical size, above-mentioned DVD signal source device 3, DVB signal source device 4 and IP-TV signal source device 5 are inserted to first respectively with rectangle casket body or box or card mode, the second and the 3rd patches in the notch, there is no fixing position relation therebetween, because this playback equipment is provided with three identical signal source interfaces of specification, the specification here refers to that not only the regulation of arranging of the signal of telecommunication is identical, and the dimensions on referring to signal source device and patching the notch physical size is identical.Owing to, carry out the split pattern blocking with different signal source devices, cooperate with playback equipment by signal source interface specification of the present invention, the design standardization of the playback equipment of digital TV in high resolution machine is organically combined with the derived digital signal module design.For realizing the plug into flexibility of facility and expansion of signal source device and playback equipment, in interface method of the present invention and the equipment, based on HDMI (abbreviation of " HDMI (High Definition Multimedia Interface) ", this interface is by the proposition of companies such as Toshiba, interface specification is disclosed in
WWW.HDMI.ORGOn the website) standard and increased signals such as power supply, analogue audio frequency, analog video, serial communication, make and to be connected by this interface unit mutually between signal source device and the playback equipment, with " Integrated Service Digital Network " mode of traditional HDMI, the signal source device among the present invention is by the playback equipment power supply and by the remote control system control of playback equipment.The interface method of signal source of the present invention and playback equipment, concrete is exactly coming the audio frequency and video numeral outputting standard of signals specification source apparatus with the HDMI standard when, standard is as the input interface of the television set of playback equipment, form with slot connects and the fixed signal source apparatus then, as above-mentioned DVD signal source device 3, DVB signal source device 4 and IP-TV signal source device 5.As above-mentioned, the signal source interface equipment that the present invention adopts is owing to comprised the power information terminal, can also realize that playback equipment provides power supply by this signal source interface equipment to each signal source device or signal source module, between each signal source device and playback equipment, set up control information contact mechanism simultaneously so that the work of coordinating and unifying ground.Sum up signal source interface equipment of the present invention, comprise power information terminal, control information terminal and A/V audio-video signal terminal at least, be used for being electrically connected with the corresponding terminal of described signal source device.
In the theory diagram of the playback equipment in interface method of the present invention shown in Fig. 2 and equipment, comprise that multichannel receives processing unit 10, receive the video processor 11 and the audio process 13 of processing unit 10 respectively with multichannel, display unit 12 and the audio unit 14 that is connected with audio process 13 output ports with video processor 11 respectively, also comprise with multichannel and receive the central control unit 15 that processing unit 10 is connected, and remote control receiving element 17 that is connected with central control unit 15 and keypad input unit 16, also comprise with multichannel and receive processing unit 10, central control unit 15 connects the one or more signal source interface unit 18 that is used for the signal source device interface, as previously mentioned, this signal source interface unit 18 comprises the power information terminal at least, control information terminal and A/V audio-video signal terminal are used for being electrically connected with the corresponding terminal of described signal source device.In Fig. 2, also comprise signal source device 3-5, each digital signal source apparatus 3-5 is by source signal interface unit 18 interfaces, in other words, digital signal source apparatus 3-5 is by being source signal interface unit 18 interfaces of connector 19 and playback equipment by specification as shown in Figure 3, behind the connector of the unified intelligence interface that adopts between playback equipment and all kinds of digital signal source apparatus, can support the resolution of various demonstrations (as 1080P 1080I by interface unit 18,720P 480P 480i) etc., can also support the control line of various uses, to finish the interlock between each signal source device, unify remote control and can support required separately power supply.Every like this insertion is connected in all necessary standard that adapts to this signal source interface unit of receiver on the playback equipment, as DVB-T, DVB-S, DVB-C, DVD, IP-TV, simulates television receiver etc.Can select different signal source devices by remote controller 2, by remote controller, reach the purpose of selecting different programs again.So just can on a playback equipment, can watch the program of multiple TV signal source simultaneously.
As shown in Figure 2, the present invention will can make the adaptation region more extensive as the television function standardization of playback equipment, and suitable producer is more.And with DVD, DVB, each function signal source apparatus such as IP-TV or module are carried out the modularized design of standard, and functional configuration freedom and flexibility and cost are relatively low.When using, only need needs, signal source device or module combine just passable as building blocks one by one according to oneself.Like this, for the signal source product of following new spec new standard, the adding utilization of new technology leave enough performance spaces, and following module and the connection of existing module have all been performed all preparations from aspects such as interface specification, software upgradings, can guarantee to accomplish seamless online.The what's new module only need be used same interface specification, meet unified protocol specification and just can directly add in the future.In addition, whole system software can upgrade upgrading by single part.
Be connected by the signal source interface unit between each signal source device/module and the playback equipment and set up mutual organic communication contact, link by standard agreement between each module.Unified standard has been arranged, for producer, consumer, nature can or have been bought better product with lower price production, do not worry simultaneously making very expensive thing very fast superseded along with the development of technology, also can be because of the reasonable resources utilization, reduce cost, improved product quality, more competitive in the international market.Simultaneously,, each module can be organically combined well, be easy to realize some more complicated specific functions, can become more simple and convenient on the contrary in the operation simultaneously because be really to design as a systematic unity.
Because the power supply of each signal source module is all provided by interface unit by playback equipment, thereby do not need the external connection line cable, and because the DC power supply of the direct outputting standard of playback equipment, each extension set inside no longer needs complicated circuit such as ac-dc conversion, equal each extension set and all saved a block power supply plate, integrated cost has reduced.
Illustrate that at Fig. 2 signal source device includes but not limited in the theory diagram of the present invention: the analog program receiving system, digital broadcasting (DVB) receiving system, digital broadcast program source (DVD) device, bilateral network video request program (IP-TV) device or DVR various standard signal sources such as (digital video CD writer) are arranged.The information processing part is got in touch at digital television and the foundation of each intermodule by master chip MCU51 in the playback equipment among Fig. 2, unified scheduling controlling, accept remote control command, work such as controls playing equipment and the switching of each functions of modules, power supply provider switch, operating state cooperation.Output among Fig. 2 is such: the digital audio-video signal that each module is directly exported uncompressed by signal source interface unit 10 carries out conversion work to playback equipment inside, exports display screen 12 and loud speaker 14 to.Utilize the logic diagram of Fig. 2, can make product realize enriching comprehensive function:
A) can watch the digital broadcast signal that optical fiber DVB-C or satellite DVB-S transmission come by DVB;
B) can pass through conventional store media such as CD, storage card etc. are play the current popular audio-video signal.
C) can carry out interaction or interactive information broadcast by INTERNET.
D) can play anolog TV signals.
E) be what's new module reservation in the future.
The 31 pin connector schematic diagrames of Fig. 3 for using in interface method of the present invention and the equipment.In realizing the design of signal source device modular insert, a kind of signal source interface of employing has defined some power supply signals, control information and A/V audio/video information, and some standby messages, upgrading and expansion etc. after being used for.By this interface, can between signal source device and playback equipment, transmit the digital audio/video signal of high definition wash rice.Aspect audio frequency, support compression to reach not compression digital signal (DTS, THX, DOLBY DIGITAL etc.), support multiple sample rate (32K-196K), can obtain the effect of CD high tone quality.Aspect video, can support high clear degree picture.Multiple high definition pixel output (reaching as high as 1920*1080P at present) is arranged, obtain grace video effect clearly easily.
Aspect transmission control, interface also has perfect control information transmission, has to improve very much and powerful protocol specification.
Interface is supported hot plug (plug and play).
The signal source interface is the mixed type digital audio/video interface, the digital audio/video transmission aspect of standard meets general international standard HDMI fully, and the HDMI standard becomes the pressure standard configuration of digital high-definition television very soon, later on new products scheme adds, must at first can meet the HDMI international standard, the audio frequency and video output facet has just obtained standard like this.For convenient, other increases the handshake between main frame and each the modularization extension set, the power supply supply, and partly mouthful line is standby for the module adding of new product has been reserved.This interface is as only physical connection between extension set and the main frame, adopt real core copper material gold-plated, add the clamping of nickel plating steel, install the lock screw fixture simultaneously additional, guarantee to engage accurately accurate, contact-making surface is big, it is little to possess impedance, anti-oxidant, corrosion-resistant, anti-aging, and steady in a long-term firm good characteristic.Concrete each terminal is carefully stated as follows:
Among Fig. 3, the pin 1 ~ 4 of connector provides each modular power source terminal for player, and designed capacity is DC12V/5A, i.e. 60W load capacity, and enough general utility functions module work is used.Each pin specifies as follows:
1+2 DC12V-main frame offers arbitrary modular power source
3+4 POWER-GND
Among Fig. 55 ~ 21 totally 19 butts be that the HDMI interface of standard uses, be specially:
5 TMDS data 2+
2 shieldings of 6 TMDS data
7 TMDS data 2-
8 TMDS data 1+
1 shielding of 9 TMDS data
10 TMDS data 1-
11 TMDS data 0+
0 shielding of 12 TMDS data
13 TMDS data 0-
14 TMDS clocks+
The shielding of 15 TMDS clocks
16 TMDS clocks-
The control of 17 CEC-E-consumers
18 keep (NC on device)
19 SCL-HDMI transceiving chip serial communication clocks
20 SYS-SDA transceiving chip serial communication data
21 SYS-CLK transceiving chips are ganged up news clock certificate
22 AGND audio frequency ground
23 Audio_L analogue audio frequency left sides or module simulation sound export player (optional) to
24 AUDIO-R audio frequency right wing signals
25 VGND analog video ground
26 Y-component vide brightness
27 U-component vide aberration 1
28 V-component vide aberration 2
29 DC12V/5A power supplys
30 POWER-GND power supply ground
31 SHIELD_GND shell ground
The digital video standard that above-mentioned signal source interface unit of the present invention can be supported comprises: 24-bit RGB, 4:4:4; 2) 24-bit YCbCr, 4:4:4; And 3) 16/20/24-bit YCbCr, 4:2:2.The digital audio standard that above-mentioned signal source interface unit of the present invention can be supported comprises: 1) compression digital audio frequency (DOLBY DIGITAL, THX, DTS etc.), and any can be by the audio format of S/PDIF transmission; 2) unpressed digital audio comprises: 2/6/8 sound channel, 32-192kHz sample rate ● the DVD audio frequency of being supported (HDMI 1.1 editions), ● the SACD that is supported (HDMI1.2 version), and ● accepting the DTS-HD that assesses, DolbyDigital+, MLP etc.
In the connection diagram of signal source device shown in Fig. 4 and signal source interface unit, the 1-19 pin of signal source interface is used to connect TMDS (abbreviation of " Transition Minimized Differential Signalling "), DDC (abbreviation of " display data channel ") and CEC (abbreviation of " consumer electronics control "); Wherein, TMDS has 3 channels (being respectively applied for the auxiliary signal of audio frequency, video) and a clock signal, and 20,21 pin of signal source interface are used to connect SYS-SDA and SYS-CLK; The 22-24 pin of signal source interface is respectively applied for AGND, AUDIO-L and the AUDIO-R that connects audio-frequency unit; The 25-28 pin of signal source interface is used to connect YGND, Y, U, the V of video section; 29 pin of signal source interface are used to connect DC12V/5A; 30 of signal source interface is used to connect POWER-GND; 31 of signal source interface is used to connect shell ground SHIELD-GND.
In the connection diagram of playback equipment in the present invention shown in Fig. 5 and signal source interface unit, same, the 1-19 pin that 30 of signal source interface is used to connect the signal source interface is used to connect TMDS, DDC and CEC (optional); 20,21 pin of signal source interface are used to connect SYS-SDA and SYS-CLK; The 22-24 pin of signal source interface is respectively applied for AGND, AUDIO-L and the AUDIO-R that connects audio-frequency unit; The 25-28 pin of signal source interface is used to connect YGND, Y, U, the V of video signal portions; 29 pin of signal source interface are used to connect 30 of DC12V/5A signal source interface and are used to connect POWER-GND; 31 of signal source interface is used to connect shell SHIELD-GND.
Fig. 6-8 is the schematic diagram of the remote controller of playback equipment use.Remote controller is the pressure-sensitive touch-screen, uses the stylus choice menus operation of giving as an addition (being called for short dexterous remote controller).The whole system single remote controller is simple to operate.The tradition occupation mode is main frame and each autogamy remote controller of each function extension set, uses inconvenient.The module cordwood system type is because integration and united and coordinating main frame and each module are a community, it is loose like that each module and the relation of main frame are no longer seemingly separated line-connection type, in it contact be to be based upon under the unified patent interface, controlled by unified protocol specification, has been not only that physical connection is so simple each other.Main frame and intermodule after each intermodule is all set up communication, use single remote controller control whole system to become a very a piece of cake.This remote controller has (SOURCE) button, can select TV-" DVD-" DVB-" derived digital signal that IP-TV is different.In response to each functional module characteristics separately, the automatic mapping function menu of the concrete module displaying contents that the remote controller displays screen is controlled with the need.
For example, when choosing the DVD functions of modules, Fig. 8 works, touch " power " key that is positioned at position, angle on Fig. 8 leftmost side, system will only open the power supply of DVD signal source device and operate, playback equipment only receives the digital audio-video signal input of DVD player this moment, and other modular power source keeps closed condition.For realizing above-mentioned functions, the remote controller code value sequence is: device number+function key assignments; When distant device was cut different operator schemes, system's code value of its emission remote control mode was different, represents the different objects of controlling, as:
0x55AA0001 represents that the power key 0x55AA indication equipment of DVD is DVD
0x35280001 represents that the power key 0x3528 indication equipment of DVB is DVB
0x28390001 represents that the power key 0x2839 indication equipment of IP-TV is DVB
Infrared shaven head receives the intelligent distant control sign indicating number in the remote control receiving element, must be after the MCU decoding to device number and function key assignments, MCU can be according to the whole system status condition, after carrying out necessary preparation, when opening DVD: the normal rating state of TV is switched to the AV-IN state, open DVD power supply relay switch as the first time, switch relevant analog input electronic switch and classify the DVD group as, by SYS-CLK, SYS-DAT sends power-on command to the DVD module, waits for that DVD is ready.
Claims (10)
1, the interface method between a kind of signal source and the playback equipment is characterized in that, may further comprise the steps: the unified each other plug-in unit of dimensions is set on the shell with each signal source device, and the terminal of plug-in unit is connected with the circuit of signal source device in the shell; The slot that one or more can put into a described signal source device shell respectively is set on the casing of audio/video playback device; Be provided with the connector that can be connected with a joggle with plug-in unit on the described signal source device in each slot, connector is connected with circuit in the casing; Between described signal source device plug-in unit and described playback equipment connector, carry out following line: the HDMI line, the power supply line, the voice signal line, the picture intelligence line, serial communication line and housing shroud line, the signal source device that makes each be inserted on the playback equipment connector communicates by the playback equipment power supply and with playback equipment.
2, according to the interface method between described signal source of claim 1 and the playback equipment, it is characterized in that, the HDMI line comprises TMDS, DDC and CEC splicing ear, and sound letter line comprises audio frequency ground, right audio frequency, left audio frequency terminal, and the picture intelligence line comprises video ground, Y, U and V terminal.
3, according to the interface method between described signal source of claim 2 and the playback equipment, it is characterized in that, after described playback equipment is received remote signal, carry out following steps: determine to which signal source device power supply according to device code; By described power supply line to the power supply of the signal source chosen and according to the remote command sign indicating number by the work of serial communication line control signal source apparatus, signal source device or send digital audio/picture intelligence to playback equipment by the HDMI line perhaps provides sound/picture intelligence by voice signal line and picture intelligence line to playback equipment.
4, the interface equipment between a kind of signal source and the playback equipment comprises signal source device and playback equipment, it is characterized in that, the shell of signal source device is provided with plug-in unit, and the terminal of plug-in unit is connected with the circuit of signal source device in the shell; The slot that one or more can put into a described signal source device respectively wherein is set on the casing of playback equipment, in each slot, be provided with the connector that can be connected with a joggle with plug-in unit on the described signal source device, comprise following the connection between this connector and the playback equipment circuit and between this connector and the described plug-in unit: the HDMI line, the power supply line, the voice signal line, the picture intelligence line, serial communication line and housing shroud line, the signal source device that makes each be inserted on the playback equipment connector communicates by the playback equipment power supply and with playback equipment.
5, according to the interface equipment between described signal source of claim 4 and the playback equipment, it is characterized in that, the HDMI line comprises TMDS, DDC and CEC splicing ear, and the voice signal line comprises audio frequency ground, right audio frequency, left audio frequency terminal, and the picture intelligence line comprises video ground Y, U and V terminal.
6, according to the interface equipment between claim 4 or 5 described signal sources and the playback equipment, it is characterized in that after described playback equipment is received remote signal, determining to which signal source device power supply according to device code; By described power supply line to the power supply of the signal source chosen and according to the remote command sign indicating number by the work of serial communication line control signal source apparatus, signal source device or send digital audio/video signals to playback equipment by the HDMI line perhaps provides audio/video signal by voice signal line and picture intelligence line to playback equipment.
According to the interface equipment between described signal source of claim 6 and the playback equipment, it is characterized in that 7, described signal source device is analog television program, DVD digital broadcast program, DVB digital broadcasting or IPTV bilateral network video request program device.
According to the interface equipment between described signal source of claim 6 and the playback equipment, it is characterized in that 8, described playback equipment also comprises the remote control receiving element.
9, the interface equipment between described according to Claim 8 signal source and the playback equipment, it is characterized in that, comprise that also sends the remote controller that signal is described remote control receiving element reception, the code value sequence of described remote controller emission is made up of the device number+function key assignments of signal source device.
10, interface equipment according between described signal source of claim 4 and the playback equipment is characterized in that, described HDMI line, the power supply line, the voice signal line, the picture intelligence line, serial communication line and housing shroud line comprise following 31 lead-in wires or terminal: the DC12V of 1 pin and 2 pin, the POWER-GND of 3 pin and 4 pin, the TMDS data 2+ of 5 pin, TMDS data 2 shieldings of 6 pin, the TMDS data 2-of 7 pin, the TMDS data 1+ of 8 pin, TMDS data 1 shielding of 9 pin, the TMDS data 1-of 10 pin, the TMDS data 0+ of 11 pin, TMDS data 0 shielding of 12 pin, the TMDS data 0+ of 13 pin, the TMDS data 0+ of 14 pin, the TMDS clock shielding of 15 pin, the TMDS clock of 16 pin-, the CEC of 17 pin, the NC of 18 pin, the SCL of 19 pin, the SYS-SDA of 20 pin, the SYS-CLK of 21 pin, the AGND of 22 pin, the AUDIO-L of 23 pin, the AUDIO-R of 24 pin, the YGNDL of 25 pin, the Y of 26 pin, the U of 27 pin, the V of 28 pin, the DC12V/5A of 29 pin, the shell ground SHIELD-GND of the POWER-GND of 30 pin and 31 pin.
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| CN200510036215A CN1909635B (en) | 2005-08-02 | 2005-08-02 | Interface method and device for signal source and broadcast equipment |
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| CN200510036215A CN1909635B (en) | 2005-08-02 | 2005-08-02 | Interface method and device for signal source and broadcast equipment |
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| CN1909635B CN1909635B (en) | 2010-05-12 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008017902A2 (en) * | 2005-11-07 | 2008-02-14 | Huitian Wu | Television both housing, and connecting via a universal interface to, various modular multimedia sources |
| CN102403625A (en) * | 2010-09-08 | 2012-04-04 | 鸿富锦精密工业（深圳）有限公司 | Connector combination |
| CN102572351A (en) * | 2010-12-25 | 2012-07-11 | 鸿富锦精密工业（深圳）有限公司 | VGA (Video Graphics Array) and HDMI (High Definition Multimedia Interface) compatible interface circuit |
| CN103813198A (en) * | 2012-11-14 | 2014-05-21 | 瑞轩科技股份有限公司 | Display device, video and audio playing system and control method of video and audio playing system |
| CN108351678A (en) * | 2016-08-03 | 2018-07-31 | 三星电子株式会社 | Sink device and its electrical control method |
-
2005
- 2005-08-02 CN CN200510036215A patent/CN1909635B/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008017902A2 (en) * | 2005-11-07 | 2008-02-14 | Huitian Wu | Television both housing, and connecting via a universal interface to, various modular multimedia sources |
| WO2008017902A3 (en) * | 2005-11-07 | 2008-07-03 | Huitian Wu | Television both housing, and connecting via a universal interface to, various modular multimedia sources |
| CN102403625A (en) * | 2010-09-08 | 2012-04-04 | 鸿富锦精密工业（深圳）有限公司 | Connector combination |
| CN102572351A (en) * | 2010-12-25 | 2012-07-11 | 鸿富锦精密工业（深圳）有限公司 | VGA (Video Graphics Array) and HDMI (High Definition Multimedia Interface) compatible interface circuit |
| CN103813198A (en) * | 2012-11-14 | 2014-05-21 | 瑞轩科技股份有限公司 | Display device, video and audio playing system and control method of video and audio playing system |
| CN108351678A (en) * | 2016-08-03 | 2018-07-31 | 三星电子株式会社 | Sink device and its electrical control method |
| US10832633B2 (en) | 2016-08-03 | 2020-11-10 | Samsung Electronics Co., Ltd. | Sink device and power control method therefor |
| CN108351678B (en) * | 2016-08-03 | 2021-07-13 | 三星电子株式会社 | Sink device and power control method thereof |
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| Publication number | Publication date |
|---|---|
| CN1909635B (en) | 2010-05-12 |
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