CN100411422C - Input-output regulating device and method of audio-visual system - Google Patents
Input-output regulating device and method of audio-visual system Download PDFInfo
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- CN100411422C CN100411422C CNB2004100784763A CN200410078476A CN100411422C CN 100411422 C CN100411422 C CN 100411422C CN B2004100784763 A CNB2004100784763 A CN B2004100784763A CN 200410078476 A CN200410078476 A CN 200410078476A CN 100411422 C CN100411422 C CN 100411422C
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Abstract
The present invention relates to an input-output regulating device and a method of an audio-visual system. The method judges the correct state of signals used by connected terminals via detecting terminal connection numbers and switching output signals on the connected terminal. The audio-visual system input-output regulating device comprises a switcher, a digital analog converter and a control unit, wherein the switcher is used for receiving a plurality of video-audio signals so as to switch and output a plurality of output signals to a plurality of terminals of the interface; the digital analog converter is used for inducting terminal connection states which are used as the control reference of the control unit, data streams are received for generating corresponding analog video-audio signals; the control unit can control the switching output of the switcher according to connection state signals. Therefore, the device can provided the connection elasticity for audio-visual devices and can save system cost.
Description
Technical field
The present invention relates to a kind of method of attachment of image system, relate in particular to a kind of image system that detects configuration and switching output mechanism and export into adjusting device and method.
Background technology
Usually include many terminals on the existing image documentation equipment external interface, these terminals can be used as the usefulness of external input of image documentation equipment and output.For instance, integrated signal (CVBS) output, S-signal of video signal (S-Video, Y/C) output, color difference signal (Component, Y, P are for example arranged
b, P
r) output etc.Because these terminals are a feast for the eyes on the image documentation equipment, therefore when user's desire is inserted external terminal, be available for users to identification even if the shape of these terminals is also incomplete same, but identical shaped or similar terminal often allows the user obscure and the wrong plug terminal.
Please refer to Fig. 1, Fig. 1 exports schematic diagram into backboard for DVD player.This exports and includes power supply terminal 110, display unit adjuster terminal 111, signal of video signal input terminal 113, S-signal of video signal input terminal 114, voice signal input terminal 115,5.1 channel sound signal lead-out terminals 120, signal of video signal lead-out terminal 130, S-signal of video signal lead-out terminal 140, aberration signal of video signal lead-out terminal 150, fiber-optic output (sound) 160, coaxial cable lead-out terminal (sound) 170 etc. on the backboard 100.
Wherein, its terminal shapes such as signal of video signal input terminal 113, voice signal input terminal 115,5.1 channel sound signal lead-out terminals 120, signal of video signal lead-out terminal 130, aberration signal of video signal lead-out terminal 150 are all same or similar, therefore when the user utilizes connecting line to connect this to export into backboard 100 and other image documentation equipment (not illustrating), the situation in wrong plug hole still takes place easily, causes user's operation puzzlement.
Summary of the invention
The object of the present invention is to provide a kind of image system to export, comprise switch, a plurality of digital analog converter and control unit that has sensing cell into adjusting device.Wherein, each digital analog converter that has sensing cell is an analog signal in order to change a digital signal, and the connection status of the corresponding load of sensing is to produce a connection status signal; Switch is in order to export this digital signal to corresponding one digital analog converter that has a sensing cell; An and control unit, export to control this switch according to this connection status signal, wherein this control unit also comprises a configuration table, and this configuration table comprises all configurations of this connection status signal, sets and control switch output for this control unit one by one in each specified time interval; Wherein the formation of this configuration table comprises: the terminal linking number is under 1 the situation, promptly represents described terminal to be output CVBS signal; The terminal linking number is under 2 the situation, promptly represents described terminal to be output S-Video signal; And the terminal linking number is under 3 the situation, then to represent described terminal may export R, G, B signal, Y, Cb, Cr signal and Y, Pb, Pr signal one of them.
The present invention also provides a kind of image system to export into method of adjustment, at first detects the linking number of output/input terminal, to produce a connection status signal; Then contrast a configuration table according to this connection status signal, wherein this configuration table comprises the possible configuration of the corresponding institute of this linking number, can set and control switch output one by one in each specified time interval; Automatic scan institute might configuration in regular turn then, wherein when if terminal correctly connects, stores a correct configuration; Wherein the formation of this configuration table comprises: the terminal linking number is under 1 the situation, promptly represents described terminal to be output CVBS signal; The terminal linking number is under 2 the situation, promptly represents described terminal to be output S-Video signal; And the terminal linking number is under 3 the situation, then to represent described terminal may export R, G, B signal, Y, Cb, Cr signal and Y, Pb, Pr signal one of them.
The present invention provides a kind of Digital Media player again, comprise: a control chip, go into the connection status of backboard terminal to adjust signal path output in order to detect an output, and output signal is so far exported into the backboard terminal, and this control chip also comprises a control unit, and this control unit also comprises a configuration table, and this configuration table comprises all configurations of connection status signal, sets and control switch output for this control unit one by one in each specified time interval; One man-machine interface, being used to provides the user to set a correct configuration under the dynamic model formula on the other hand, and transmits interrupt signal control chip so far; And one output go into backboard, in order to providing terminal connecting display unit and input unit, and receive the output signal of this control chip; Wherein the formation of this configuration table comprises: the terminal linking number is under 1 the situation, promptly represents described terminal to be output CVBS signal; The terminal linking number is under 2 the situation, promptly represents described terminal to be output S-Video signal; And the terminal linking number is under 3 the situation, then to represent described terminal may export R, G, B signal, Y, Cb, Cr signal and Y, Pb, Pr signal one of them.Wherein, this control chip can comprise that one has the digital analoge converter of sensing cell, and each has the load connection status that the digital analog converter of sensing cell can the corresponding terminal of sensing, producing a connection status signal, and to change a digital signal be to export output after the analog signal to go into the backboard terminal; One switch is in order to export this digital signal to the corresponding digital analog converter that has sensing cell.
Image system of the present invention is exported into adjusting device and method, can allow the user when carrying out the image documentation equipment connection, need not consider the corresponded manner of image documentation equipment output/input terminal, and make when an image documentation equipment is connected with another image documentation equipment, between its connecting line and terminal to simplifying, and have more elasticity, to save system cost.
For further cognitive and understanding being arranged to feature of the present invention, purpose and function, conjunction with figs. is described in detail as follows now.
Description of drawings
Fig. 1 exports schematic diagram into backboard for DVD player;
Fig. 2 is that the image system of preferred embodiment of the present invention is exported the circuit diagram into adjusting device;
Fig. 3 A, 3B, 3C export into the adjusting device schematic diagram for the image system of preferred embodiment of the present invention;
Fig. 4 exports into the adjusting device schematic diagram for another image system of preferred embodiment of the present invention;
Fig. 5 is that the image system of preferred embodiment of the present invention is exported the flow chart into the adjusting device method of attachment;
Fig. 6 is the DVD player that comprises manual mode, automatic mode of preferred embodiment of the present invention and the flow chart of display unit method of attachment;
Fig. 7 is the Digital Media player schematic diagram of preferred embodiment of the present invention.
Wherein, description of reference numerals is as follows:
The 100:DVD player is exported into backboard 110: power supply terminal
111: display unit adjuster terminal 113: signal of video signal input terminal
114:S-signal of video signal input terminal 115: voice signal input terminal
120: audio signal output terminal 130: the signal of video signal lead-out terminal
140:S-signal of video signal lead-out terminal 150: aberration signal of video signal lead-out terminal
160: fiber-optic output 170: the coaxial cable lead-out terminal
200,320,400: image system is exported into adjusting device
210,712: switch
220,221,222: the digital analog converter 230,713 that has sensing cell:
Control unit
241: digital signal 245: analog signal
247: connection status signal 248: switch-over control signal
250,720: backboard is gone in output
310,410,420,430,440,740: display unit
315,330,407: connecting line
325,327,360,370,380,450,460,470,480,721,722,723: terminal
390,714: configuration table 700: the Digital Media player
710: control chip 711: the digital analoge converter that has sensing cell
730: man-machine interface 750: input unit
Embodiment
Fig. 2 is that the image system of preferred embodiment of the present invention is exported the circuit diagram into adjusting device, and this image system is a DVD player for example.In Fig. 2, image system is exported into adjustment and is adorned digital analog converter 220 and the control unit 230 that 200 comprises switch 210, has sensing cell.Wherein, the n position digital signal 241 of desire output had the digital analog converter 220 of sensing cell and this n position digital signal 241 is converted to analog signal 245 when the digital analog converter 220 that has a sensing cell for example can receive and play discs by DVD player.When the terminal connection load of backboard 250 is gone in the output of image system, the digital analog converter 220 that has sensing cell is promptly exported a connection status signal 247 to control unit 230, export and have which terminal to be inserted with connecting line on the adjusting device 200 to inform control unit 230 image systems, and control unit 230 is sent a switching control signal 248 to switch 210, and switch 210 is again by selecting suitable signal and outgoing route in n the digital signal 241.For instance, if the terminal linking number is 1, promptly represent this terminal to be output CVBS signal; If the terminal linking number is 2, promptly represent these terminals to be output S-Video signal; If the terminal linking number is 3, then represent these terminals may be output R, G, B signal, or Y, C
b, C
rSignal, or Y, P
b, P
rSignal etc.
Please refer to Fig. 3 A, Fig. 3 B, Fig. 3 C, Fig. 3 A, Fig. 3 B, Fig. 3 C export into the adjusting device schematic diagram for the image system of preferred embodiment of the present invention.In Fig. 3 A, when the connecting line 315 that uses a joint when display unit 310 and image system are exported and are connected into adjusting device 320, image system is exported can detect into adjusting device 320 only has a terminal 325 to be inserted with the joint of connecting line 315, the corresponding signals that use of 325 of this terminals are the CVBS signal, so image system is exported pairing signal when only needing run-down can find out terminal 325 to be connected with connecting line 315 into adjusting device 320.
In Fig. 3 B, when the connecting line 330 that uses two joints when display unit 310 and image system are exported and are connected into adjusting device 320, image system is exported into adjusting device 320 can detect two-terminal 325,327 are connected with connecting line 330 joints, and this terminal 325,327 pairing signals are S-Video signal (being Y and C), but image system is exported into adjusting device 320 and uncertain terminal 325, whether 327 output signal correctly corresponds to connecting line 330 corresponding two joints, therefore, again might be in terminal 325 according to S-Video signal institute, configuration on 327, it is terminal 325,327 may use Y-signal respectively, the C signal, or terminal 325,327 may use the C signal respectively, Y-signal, after exporting twice of adjusting device 320 scanning through image system, just switch Y-signal, the C signal is in terminal 325,327 outputs, and pass through Y-signal, whether the C signal can make the display frame of display unit 310 normal, Y-signal for example, whether the C signal is normal by colored rod (color bar) shown picture of display unit 310, with the correctness of judging that terminal connects.
In Fig. 3 C, when the connecting line 350 that uses three joints when display unit 310 and image system were exported terminal 360,370,380 into adjusting device 320 and be connected, exporting into adjusting device 320 as if image system only provided color difference signal (Y, P
b, P
r) output, the signal of terminal 360,370,380 corresponding connecting line 350 uses that joint is exported can be Y-signal, P
bSignal, P
rPermutation and combination between signal, shown in configuration table 390, and image system export can be according to these permutation and combination into adjusting device 320, the output signal of switched terminal 360,370,380 in regular turn, whether the output signal according to terminal 360,370,380 makes the picture of display unit 310 normally show again, to judge terminal 360,370, the 380 corresponding connecting line 350 correct signals that use, export into the correct connecting tube of adjusting device 320 with display unit 310 to set up image system.
Please consult Fig. 3 D simultaneously, Fig. 3 D is the image system output adjusting device configuration scanning schematic diagram of preferred embodiment of the present invention, please be simultaneously with reference to Fig. 3 C, configuration table 390 has six kinds of permutation and combination, therefore control unit can be in the automatic possible configuration of cycle sets one by one of each specified time interval t, export to switch video-audio signal, and the user can utilize a man-machine interface (for example remote controller, panel button etc.) to interrupt configuration scanning, and store correct configuration to finish setting.
When image system of the present invention output adjusting device is connected with other image documentation equipment except find out image system output adjusting device terminal with the mechanism that automaticallyes switch the correct signal of use, still can set up image system on their own and export output signal into the adjusting device terminal by the user.Please refer to Fig. 4, Fig. 4 exports into the adjusting device schematic diagram for another image system of preferred embodiment of the present invention, when image system is exported when connecting four display unit 410,420,430,440 into adjusting device 400 desires, but four terminals 450 to 480 of setting of image system output adjusting device 400 are for using the output of CVBS signal.
Please refer to Fig. 5, Fig. 5 is that the image system of preferred embodiment of the present invention is exported the flow chart into method of adjustment.In step 510, image system output adjusting device detects the splicing ear number, and to obtain testing result, wherein this splicing ear number can equal 1 at least; Contrast a configuration table in step 520 according to testing result, to detect these terminals in the possible configuration of the institute of special terminal linking number; Automatic scan institute might configuration one by one in step 530; When terminal correctly connects, can stop configuration scanning with a man-machine interface in step 540; And in the correct configuration of step 550 storage.Wherein, the user can be for example by the built-in colored rod of display unit with confirm these splicing ear institute output signal whether can make the shown picture of display unit normal, and the user can pass through the hand push button mode, by confirming in the menu on the display screen whether its picture is normal, and stored and (but for example be stored in electronic type clear program read-only memory, among the EEPROM) so that these splicing ear use the signal of correct configuration.In other words, image system of the present invention is exported into adjusting device and method can be divided into manual mode and automatic mode, wherein manual mode can provide the user to set at each terminal one by one when automatic mode can't satisfy user's special configuration and setting (for example present embodiment).Therefore, at flow process shown in Figure 5,, then comprise step 540 if when adopting manual mode; If when picking up from the dynamic model formula, then do not comprise step 540.
Please refer to Fig. 6, Fig. 6 is the DVD player that comprises manual mode, automatic mode of preferred embodiment of the present invention and the flow chart of display unit method of attachment.In step 610, when image system is exported terminal into adjusting device and is connected with the connecting line of display unit, whether can provide this moment the menu of automatic configuration to select manual mode or automatic mode on the display screen for the user.If the user selects automatic configuration, then begin to carry out automatic configuration in step 620, the content that step 620 is carried out is Fig. 5 step as described above then, but does not comprise Fig. 5 step 540.
If the user is when selecting manual configuration, then can select determining that terminal connects correctness with a menu in step 630, details and comprises Fig. 5 step 540 shown in Fig. 5 step, do not repeat them here.In addition, if the testing result of step 510 is that terminal linking number n was more than or equal to 4 o'clock, promptly for example represent the display unit of image system output adjusting device connection more than 4, therefore can enter the pattern of user definition, the user can go by the menu on the screen to define the employed signal of each terminal that image system output adjusting device has connected, and this is a step 640.
Fig. 7 is the Digital Media player schematic diagram of preferred embodiment of the present invention, this Digital Media player 700 comprises a control chip 710, go into terminal (is terminal 721,722,723 at this embodiment) connection status of backboard 720 in order to detect an output, with the adjustment signal path output, and output signal to corresponding lead-out terminal (for example terminal 721); One man-machine interface 730, being used to provides the user to set a correct configuration under the dynamic model formula on the other hand, and transmits interrupt signal control chip 710 so far; And one output go into backboard 720, in order to providing terminal connecting display unit 740 and input unit 750, and receive the output signal of this control chip 710.Wherein, this control chip 710 can comprise that still one has the digital analoge converter 711 of sensing cell, each has the connection status that the digital analog converter of sensing cell can the corresponding load of sensing, producing a connection status signal, and to change a digital signal be to export the lead-out terminal that backboard 720 is gone in output after the analog signal to; One switch 712 is in order to export digital signal to the corresponding digital analog converter that has sensing cell; And a control unit 713, in order to according to the outgoing route of this connection status signal with control switch 712.In addition, control unit 713 still can comprise a configuration table 714, this configuration table 714 comprises all configurations of connection status signal, and for example the configuration of three terminals has six kinds, sets one by one and the output of controlling switch 712 in each specified time interval (for example t) for control unit 713.
Comprehensively above-mentioned, the invention provides a kind of image system and export into adjusting device and method thereof, by the mechanism that detects and switch output is provided, export on the adjusting device the correct configuration that splicing ear uses signal to find out image system.Therefore, when exporting into adjusting device by image system, the user connects other image documentation equipment, only need that the connecting line joint is plugged image system arbitrarily and export terminal on the adjusting device, the detection and the handover mechanism that are provided can be provided, find out splicing ear the correct signal configuration of using, correctly providing image system to export a proper conduit that is connected with other image documentation equipment into adjusting device, and promote the user at the convenience that connects image documentation equipment and other image documentation equipment.In addition, define image system by the user and export, can provide image documentation equipment to connect and the bigger elasticity of installing into the employed signal of adjusting device terminal.
The above only is preferred embodiment of the present invention, can not be in order to restriction protection scope of the present invention.Be that all equalizations of doing according to the spirit and scope of the present invention change and modification, all should be considered as further enforcement situation of the present invention.
Claims (8)
1. an image system is exported into adjusting device, and it comprises:
Several have the digital analog converter of sensing cell, and wherein each digital analog converter that has sensing cell is an analog signal in order to change a digital signal, and the connection status of the corresponding load of sensing is to produce a connection status signal;
One switch has one of digital analog converter of sensing cell in order to export this digital signal to corresponding described several; And
One control unit, export to control this switch according to this connection status signal, wherein this control unit also comprises a configuration table, and this configuration table comprises all configurations of this connection status signal, sets and control switch output for this control unit one by one in each specified time interval;
Wherein the formation of this configuration table comprises: the terminal linking number is under 1 the situation, promptly represents described terminal to be output CVBS signal; The terminal linking number is under 2 the situation, promptly represents described terminal to be output S-Video signal; And the terminal linking number is under 3 the situation, then to represent described terminal may export R, G, B signal, Y, Cb, Cr signal and Y, Pb, Pr signal one of them.
2. image system according to claim 1 is exported into adjusting device, and wherein this device is incorporated in the control chip.
3. image system according to claim 1 is exported into adjusting device, wherein also comprises:
One man-machine interface is set configuration in order to the user to be provided.
4. an image system is exported into method of adjustment, and it comprises:
Detect a linking number of several output/input terminals, to produce a connection status signal;
Contrast a configuration table according to this connection status signal, wherein this configuration table comprises the possible configuration of the corresponding institute of this linking number, can set and control switch output one by one in each specified time interval; And
The possible configuration of automatic scan institute when wherein correctly connecting as if terminal, stores a correct configuration in regular turn;
Wherein the formation of this configuration table comprises: the terminal linking number is under 1 the situation, promptly represents described terminal to be output CVBS signal; The terminal linking number is under 2 the situation, promptly represents described terminal to be output S-Video signal; And the terminal linking number is under 3 the situation, then to represent described terminal may export R, G, B signal, Y, Cb, Cr signal and Y, Pb, Pr signal one of them.
5. image system according to claim 4 is exported into method of adjustment, wherein also comprises:
Interrupt configuration scanning and set the present configuration of storage with an input unit.
6. export into method of adjustment according to claim item 4 described image systems, comprising: during as if at least four display unit of connection, set the employed signal of corresponding lead-out terminal respectively.
7. Digital Media player, it comprises:
One control chip, detect an output and go into the terminal connection status of backboard to adjust signal path output, and output signal to this and export terminal into backboard, and this control chip also comprises a control unit, and this control unit also comprises a configuration table, this configuration table comprises all configurations of connection status signal, sets and control switch output for this control unit one by one in each specified time interval;
One man-machine interface provides the user to set a correct configuration under proficiency dynamic model formula, and transmits an interrupt signal to this control chip; And
This is exported into backboard, provides terminal with connection display unit and input unit, and the output signal that receives this control chip;
Wherein the formation of this configuration table comprises: the terminal linking number is under 1 the situation, promptly represents described terminal to be output CVBS signal; The terminal linking number is under 2 the situation, promptly represents described terminal to be output S-Video signal; And the terminal linking number is under 3 the situation, then to represent described terminal may export R, G, B signal, Y, Cb, Cr signal and Y, Pb, Pr signal one of them.
8. Digital Media according to claim 7 player, wherein this control chip also comprises:
One has the digital analoge converter of sensing cell, comprise that several have the digital analog converter of sensing cell, wherein each connection status of the corresponding load of digital analog converter sensing that has sensing cell to be producing a connection status signal, and to change a digital signal be that an analog signal exports this to and exports terminal into backboard;
One switch is exported this digital signal to corresponding described several and is had one of digital analog converter of sensing cell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100784763A CN100411422C (en) | 2004-09-13 | 2004-09-13 | Input-output regulating device and method of audio-visual system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100784763A CN100411422C (en) | 2004-09-13 | 2004-09-13 | Input-output regulating device and method of audio-visual system |
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| CN1599416A CN1599416A (en) | 2005-03-23 |
| CN100411422C true CN100411422C (en) | 2008-08-13 |
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| CNB2004100784763A Active CN100411422C (en) | 2004-09-13 | 2004-09-13 | Input-output regulating device and method of audio-visual system |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2938642Y (en) * | 2005-12-23 | 2007-08-22 | 幸琳 | Interface equipment between signal source and broadcast equipment |
| CN101207706B (en) * | 2006-12-22 | 2010-04-21 | 纬创资通股份有限公司 | Image automatic detection circuit and control method thereof |
| CN101459794B (en) * | 2008-12-09 | 2012-12-05 | 康佳集团股份有限公司 | Selection control method and apparatus for video source signal |
| FR3047378B1 (en) * | 2016-01-29 | 2018-05-18 | STMicroelectronics (Alps) SAS | CIRCUIT FOR PROVIDING AN ANALOGUE VIDEO SIGNAL |
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| CN1181680A (en) * | 1996-10-11 | 1998-05-13 | 三星电子株式会社 | Video line connection apparatus for adaptively connecting external input/output line |
| US5838393A (en) * | 1996-04-12 | 1998-11-17 | Stargrabber Llc | Audio/video/control remote switching device |
| US20020085642A1 (en) * | 2000-12-28 | 2002-07-04 | Teac Corporation | Method and apparatus for selectively providing different electric signal paths between circuits |
| CN1514645A (en) * | 2003-05-23 | 2004-07-21 | ��ʢ���ӹɷ�����˾ | Automatic setting installed item selection system and method |
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| US5018013A (en) * | 1989-12-21 | 1991-05-21 | Zenith Electronics Corporation | Programmable audio/video signal interface |
| US5838393A (en) * | 1996-04-12 | 1998-11-17 | Stargrabber Llc | Audio/video/control remote switching device |
| CN1181680A (en) * | 1996-10-11 | 1998-05-13 | 三星电子株式会社 | Video line connection apparatus for adaptively connecting external input/output line |
| US20020085642A1 (en) * | 2000-12-28 | 2002-07-04 | Teac Corporation | Method and apparatus for selectively providing different electric signal paths between circuits |
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