CN1599416A - 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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- CN1599416A CN1599416A CN 200410078476 CN200410078476A CN1599416A CN 1599416 A CN1599416 A CN 1599416A CN 200410078476 CN200410078476 CN 200410078476 CN 200410078476 A CN200410078476 A CN 200410078476A CN 1599416 A CN1599416 A CN 1599416A
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Abstract
This invention relates to an audio-video system input/output regulation device and its method. The method judges the correct state of signals used by detecting terminal connection numbers and switching output signals on the connected terminals. The device includes a switch, a digital analog converter and a control unit, the switch receives several audio-videol signals and switches to several terminals, outputting several signals to the interface, the digital analog converter senses the terminal connection state to provide the control unit as a reference and receives data stream to generate corresponding analog audiovisual signals, the control unit controls the switch to switch and output signals according to connection state signals.
Description
Technical field
The present invention relates to a kind of method of attachment of audiovisual system, relate in particular to a kind of audiovisual system that detects configuration and switching output mechanism and export into adjusting device and method.
Background technology
Usually include many terminals on the existing audio-visual equipment external interface, these terminals can be used as the usefulness of external input of audio-visual 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 audio-visual 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 audio-visual 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 audiovisual system to export, comprise switch, a plurality of digital analog converter and control unit into adjusting device.Wherein, each digital analog converter 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 a corresponding digital analog converter; And a control unit, according to this connection status signal to control this switch output.In addition, control unit still can comprise a configuration table, and control unit can utilize the connection status signal to configuration table like this, in a specified time interval possible configuration of cycle sets one by one automatically, to switch video-audio signal output.
The present invention also provides a kind of audiovisual 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; Automatic scan institute might configuration in regular turn then, wherein when if terminal correctly connects, stores a correct configuration.
The present invention provides a kind of Digital Media player again, comprising: a control chip, and in order to detecting connection status that an output goes into the backboard terminal adjusting signal path output, and output signal is so far exported into the backboard terminal; 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, this control chip can comprise a digital analoge converter, and each digital analog converter can the corresponding terminal of sensing the load connection status, 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 corresponding digital analog converter; And a control unit, in order to according to the outgoing route of this connection status signal with the control switch.
Audiovisual system of the present invention is exported into adjusting device and method, can allow the user when carrying out the audio-visual equipment connection, need not consider the corresponded manner of audio-visual equipment output/input terminal, and make when an audio-visual equipment is connected with another audio-visual 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 audiovisual 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 audiovisual system of preferred embodiment of the present invention;
Fig. 4 exports into the adjusting device schematic diagram for another audiovisual system of preferred embodiment of the present invention;
Fig. 5 is that the audiovisual 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: audiovisual system is exported into adjusting device
210,712: switch
220,221,222: digital analog converter 230,713: 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: digital analoge converter
730: man-machine interface 750: input unit
Embodiment
Fig. 2 is that the audiovisual system of preferred embodiment of the present invention is exported the circuit diagram into adjusting device, and this audiovisual system is a DVD player for example.In Fig. 2, audiovisual system is exported into adjusting device 200 and is comprised switch 210, digital analog converter 220 and control unit 230.Wherein, the n position digital signal 241 of desire output when digital analog converter 220 for example can receive and play discs by DVD player, digital analog converter 220 also is converted to analog signal 245 with this n position digital signal 241.When the terminal connection load of backboard 250 is gone in the output of audiovisual system, digital analog converter 220 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 audiovisual systems, and control unit 230 can be 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 audiovisual 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 audiovisual system are exported and are connected into adjusting device 320, audiovisual 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 audiovisual 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 audiovisual system are exported and are connected into adjusting device 320, audiovisual 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 audiovisual 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 audiovisual 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 audiovisual system were exported terminal 360,370,380 into adjusting device 320 and be connected, exporting into adjusting device 320 as if audiovisual 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 audiovisual 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 audiovisual system.
Please consult Fig. 3 D simultaneously, Fig. 3 D is the audiovisual 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 audiovisual system of the present invention output adjusting device is connected with other audio-visual equipment except find out audiovisual system output adjusting device terminal with the mechanism that automaticallyes switch the correct signal of use, still can set up audiovisual 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 audiovisual system of preferred embodiment of the present invention, export when connecting four display unit 410,420,430,440 into adjusting device 400 desires when audiovisual system, four terminals 450 to 480 that can set audiovisual system output adjusting device 400 are for using the output of CVBS signal.
Please refer to Fig. 5, Fig. 5 is that the audiovisual system of preferred embodiment of the present invention is exported the flow chart into method of adjustment.In step 510, audiovisual 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, audiovisual 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 audiovisual 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 audiovisual 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 audiovisual 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 still can comprise a digital analoge converter 711, each digital analog converter can the corresponding load of sensing connection status, 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 corresponding digital analog converter; 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 audiovisual 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 audiovisual system.Therefore, when exporting into adjusting device by audiovisual system, the user connects other audio-visual equipment, only need that the connecting line joint is plugged audiovisual 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 audiovisual system to export a proper conduit that is connected with other audio-visual equipment into adjusting device, and promote the user at the convenience that connects audio-visual equipment and other audio-visual equipment.In addition, define audiovisual system by the user and export, can provide audio-visual 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 (10)
1, a kind of audiovisual system is exported into adjusting device, and it comprises:
Several digital analog converters, wherein each digital analog converter 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 is in order to export this digital signal to corresponding one these several digital analog converters; And
One control unit is exported to control this switch according to this connection status signal.
2, audiovisual system according to claim 1 is exported into adjusting device, and wherein this control unit also comprises:
One configuration table comprises this all configurations of connection status signal, sets and control switch output for this control unit one by one in each specified time interval.
3, audiovisual system according to claim 1 is exported into adjusting device, and wherein this device is incorporated in the control chip.
4, audiovisual 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.
5, a kind of audiovisual 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; And
The possible configuration of automatic scan institute when wherein correctly connecting as if terminal, stores a correct configuration in regular turn.
6, audiovisual system according to claim 5 is exported into method of adjustment, wherein also comprises:
Interrupt configuration scanning and set this present configuration of storage with an input unit.
7, export into method of adjustment according to claim item 5 described audiovisual systems, comprising: during as if at least four display unit of connection, set the employed signal of corresponding lead-out terminal respectively.
8, a kind of Digital Media player, it comprises:
One control chip detects terminal connection status that an output goes into backboard adjusting signal path output, and outputs signal to this and export terminal into backboard;
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.
9, Digital Media according to claim 8 player, wherein this control chip also comprises:
One digital analoge converter, comprise several digital analog converters, wherein the connection status of the corresponding load of each digital analog converter sensing 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 one these several digital analog converters; And
One control unit is according to the outgoing route of this this switch of connection status signal controlling.
10, Digital Media according to claim 9 player, wherein this control unit also comprises:
One 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.
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 |
Applications Claiming Priority (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 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1599416A true CN1599416A (en) | 2005-03-23 |
| CN100411422C CN100411422C (en) | 2008-08-13 |
Family
ID=34666940
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2004100784763A Active CN100411422C (en) | 2004-09-13 | 2004-09-13 | Input-output regulating device and method of audio-visual system |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2007071149A1 (en) * | 2005-12-23 | 2007-06-28 | Lin Xing | Interfacing method and apparatus between signal sources and playback device |
| 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 |
| CN107027034A (en) * | 2016-01-29 | 2017-08-08 | 意法半导体 (Alps) 有限公司 | Analog video signal provides circuit |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| KR100206114B1 (en) * | 1996-10-11 | 1999-07-01 | 윤종용 | Advanced video line connector |
| US7020213B2 (en) * | 2000-12-28 | 2006-03-28 | Teac Corporation | Method and apparatus for selectively providing different electric signal paths between circuits |
| TWI332652B (en) * | 2003-05-23 | 2010-11-01 | Via Tech Inc | System and method of auto-configuration settings for multimedia apparatus |
-
2004
- 2004-09-13 CN CNB2004100784763A patent/CN100411422C/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2007071149A1 (en) * | 2005-12-23 | 2007-06-28 | Lin Xing | Interfacing method and apparatus between signal sources and playback device |
| 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 |
| CN107027034A (en) * | 2016-01-29 | 2017-08-08 | 意法半导体 (Alps) 有限公司 | Analog video signal provides circuit |
| CN107027034B (en) * | 2016-01-29 | 2020-06-23 | 意法半导体 (Alps) 有限公司 | Analog video signal providing circuit |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100411422C (en) | 2008-08-13 |
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