CN1642248A - Image-sound playing system capable of automatically detecting/selecting iamge-sound signals and method thereof - Google Patents

Image-sound playing system capable of automatically detecting/selecting iamge-sound signals and method thereof Download PDF

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Publication number
CN1642248A
CN1642248A CN 200410002083 CN200410002083A CN1642248A CN 1642248 A CN1642248 A CN 1642248A CN 200410002083 CN200410002083 CN 200410002083 CN 200410002083 A CN200410002083 A CN 200410002083A CN 1642248 A CN1642248 A CN 1642248A
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China
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signal
video
audio
selector
image
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CN 200410002083
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CN100508576C (en
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黄维宏
古博文
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MediaTek Inc
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MediaTek Inc
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Abstract

The invention is a video-sound playing system, containing a selector, an output player, a controller, and a video-sound signal detector. The selector comprises many input ports and can receive videos and/or sound signals from different signal sources and selects and outputs one of the videos and/or sound signals according to a selection control signal. The output player plays videos and/or sound signals outputted by the selector. The controller can generate corresponding selection control signals into the selector according to different selection input signals. The video-sound detector can detect if many input ports of the selector have received new input videos and/or sound signals: if yes, it sends a special selection input signal to the controller to make the controller able to successively generate a corresponding selection control signal to the selector, so as to select the new input videos and/or sound signals and output them into the output player for playing.

Description

Can detect/select the video-audio playing system and the method for video-audio signal automatically
Technical field
The present invention relates to a kind of video-audio playing system and method, particularly relate to a kind of video-audio playing system and method that can detect/select video-audio signal automatically.
Background technology
Known video-audio playing system as television set or computer display screens etc., in order to play video signal, wherein also has loud speaker to play audio signals.Video-audio playing system can receive a plurality of images and/or the voice signal (Audio and/or Vedio signals) in unlike signal source.These different signals source comprised the cable television channels cable (cable) of transmission of digital or analog signal, by satellite antenna receives the main system of audio of satellite television (satellite TV) signal, DVD VCD player (diditalversatile disc player), VHS videocorder, digital camera and discs (CD) or cassette tape ... Deng.
Originate to be connected to multiple signal though known video-audio playing system as television set and so on has a plurality of input ports, yet the user can only select wherein a kind of video-audio signal at one time and be appreciated on reality is used.Therefore, video-audio playing system has a selector usually, is connected to input panel or infrared receiver, makes the user be able to by selecting image and/or the voice signal that desire is appreciated in those different images and/or the voice signal.
Yet known video-audio playing system has many inconveniences in the selection of image and/or voice signal.For example, the television set of general family expenses, in common when start,, the predetermined signal of playing was the video-audio signal of cable television channels, and when the user need utilize the image of television for play DVD VCD player and/or voice signal, it was an inevitable and inevasible operation that the video-audio signal of the cable television channels of television set is switched to the image of DVD VCD player and/or voice signal.And the device in various unlike signals source has infrared remote controller separately usually.In above-mentioned example, the infrared remote controller that the user needs the DVD VCD player to be opening the DVD VCD player, and operated, and, outside the DVD VCD player operated, inevasible need are manual carried out image and/or voice signal handover operation.Too much infrared remote controller switches the puzzlement that often becomes the user with the image and/or the voice signal of complexity.
Therefore, what known technology was short of is automatically to select an image and/or voice signal to give the method that video-audio playing system uses, and, can detect/select a video-audio playing system of image and/or voice signal automatically.
Other relevant known technology can be with reference to U.S. Pat 5,109,284 Apparatus forcontrolling the operation of a television according to the controlsignal of a video cassette recorder and a method therefore; U.S. Pat 5,550,644 Video cassette recorder capable of automaticallysetting a television receiver, U.S. Pat 5,291,343 Audio/videosystem for television receiver, video cassette recorder, and so forth and U.S. Pat 5,047,867 Interface for a TV-VCR system.
Summary of the invention
The main purpose of the present invention provides a kind of video-audio playing system and method that can detect/select image and/or voice signal automatically.
One embodiment of the invention are a kind of video-audio playing systems, and it comprises a selector, output playing device, a controller and a video-audio signal detector.Selector (selector) includes a plurality of input ports (input ports), can receive a plurality of images and/or the voice signal (Audio and/or Vedio singals) in unlike signal source, and select control signal in described image and/or voice signal, to select an output according to one.Image and/or voice signal that the output playing device is exported selector are play through signal processing and in the output playing device.Controller can produce corresponding selection and control signal in the selector according to different selection input signals.Video-audio signal detector (A/V singaldetector) can detect image and/or the voice signal that whether receives new input in a plurality of input ports of selector.When the video-audio signal detector detects the image of new input and/or voice signal, can send a specific selection input signal to controller, making that controller is follow-up produces corresponding selection and controls signal in the selector, with image and/or the voice signal of selecting new input and export in the output playing device and play automatically.
Another embodiment of the present invention is a kind of automatic detection/system of selection of image and/or voice signal in a video-audio playing system.Automatically detection/system of selection is when image that detects new input and/or voice signal, send a specific selection input signal to controller, making that controller is follow-up produces corresponding selection and controls signal in the selector, with image and/or the voice signal of selecting new input and export in the output playing device and play automatically.
According to the image in video-audio playing system provided by the present invention and the video-audio playing system and/or the automatic detection/system of selection of voice signal, video-audio playing system can detect the image and/or the voice signal of input automatically, and selected the image and/or the voice signal of new input, make the user can exempt after opening the signal source device that video-audio playing system connected, also need the operation that video-audio playing system is switched.
Can be further understood by the following detailed description and accompanying drawings about the advantages and spirit of the present invention.
Description of drawings
Fig. 1 can detect/select video-audio playing system 40 schematic diagrames of image and/or voice signal automatically for the present invention.
The drawing reference numeral explanation
40 video-audio playing systems, 42 selectors
44 controllers, 46 video-audio signal detectors
48 output playing devices, 49 image displays
50 select control signal 51 audio players
52 select input signal 54 input panel
56 infrared remote controllers
Embodiment
See also Fig. 1, Fig. 1 can detect/select video-audio playing system 40 schematic diagrames of image and/or voice signal automatically for the present invention.Video-audio playing system 40 comprises a selector 42, a controller 44, a video-audio signal detector 46 and an output playing device 48.General video-audio playing system 40 can have a plurality of and different input ports, as wired TV port (cable port), AV terminal port and S terminal port etc.In the present embodiment, selector 42 in the video-audio playing system 40 includes a plurality of input ports (input ports), and this selector 42 can receive a plurality of signal of video signal (video signal), voice signal (audio signal) or image and the voice signal (video and audio signal) of originating from unlike signal by input port.The unlike signal source comprises the main system of audio of television antenna, cable TV signal line (cable) and other signal source device such as DVD VCD player, VHS videocorder, digital camera and CD or cassette tape ... Deng.Selector 42 can receive described image and/or voice signal, and selects an output according to a selection control signal 50 that is transmitted by controller 44 in described image and/or voice signal.Image that 48 of playing devices of output are exported selector 42 and/or voice signal are play through signal processing and via image display 49 and/or audio player 51.For instance, suppose the signal that image that selector 42 is exported and/or voice signal have image and sound simultaneously, export then that playing device 48 will select to start image display 49 simultaneously automatically and audio player 51 is play; If but image that selector 42 is exported and/or voice signal are the pure signal of video signal from digital camera, then export playing device 48 and will select only to start image display 49 broadcasts automatically; The rest may be inferred.As shown in Figure 1, the video-audio signal detector 46 of video-audio playing system 40 can detect image and/or the voice signal that whether receives new input in a plurality of input ports of selector 42.Whether in other words, whether video-audio signal detector 46 has new image and/or voice signal to input to video-audio playing system 40 in order to supervision (monitor), and exist in order to image and/or the voice signal that monitors input video-audio playing system 40.
Controller 44 can produce corresponding selection control signal 50 according to different selection input signals to selector 42.When video-audio signal detector 46 detects the image of new input and/or voice signal, can send a specific selection input signal 52 to controller 44, making that controller 44 is follow-up produces corresponding selection control signal 50 to selector 42, with image and/or the voice signal of selecting this new input and export in the output playing device 48 and play automatically.
The image and/or the voice signal that input to selector 42 can be a video signal, or an audio signals, or one has the signal that video signal is mixed with message concurrently.
In the embodiment shown in fig. 1, output playing device 48 is a television set, comprises an image display 49 and an audio player 51.Need to prove that output playing device 48 can only be an image display or only be an audio player; Also can be a video-audio playing device in conjunction with an image display and an audio player, for example the television set or the computer display screens of built-in audio player.The video signal process signal of video signal processes and displays that image display can be exported selector 42 is in image display.The audio signals that audio player then can be exported selector 42 is play in loud speaker output.
For example, when video-audio playing system 40 is being play the video-audio signal of cable television channels, this moment is if open a DVD VCD player that is connected in video-audio playing system 40, then video-audio signal detector 46 can detect image and/or the voice signal from the new input video-audio playing system 40 of DVD VCD player, select input signal 52 and produce, to switch video-audio playing system 40 is changed into the DVD playing back VCD player by the video-audio signal of the cable television channels of playing originally image and/or voice signal.
Continuation of the previous cases, in like manner, when video-audio playing system 40 still continues the image of DVD playing back VCD player and/or voice signal, this moment is if open a VHS videocorder that is connected in video-audio playing system 40, then video-audio signal detector 46 can detect image and/or the voice signal from the new input video-audio playing system 40 of VHS videocorder, and input signal 52 is selected in generation, is switched and the image and/or the voice signal of broadcast VHS videocorder by the image and/or the voice signal of the DVD VCD player of playing originally to make video-audio playing system 40 automatically.
Select the generation of input signal 52, except by video-audio signal detector 46 according to the result who monitors input video-audio playing systems 40 producing automatically, still can be by an input panel 54 (input panel) or by an infrared remote controller 56, and via manually input and producing of user.
Controller 44 is connected to input panel 54 (input panel), input panel 54 includes a plurality of selection input buttons (selection key pads), produces corresponding selection input signal 52 for the user to controller 44 via described selection input button.
Controller 44 further is connected to an infrared receiver 58, infrared remote controller 56 is provided with a plurality of selection input buttons (selection key pads), can produce corresponding selection input signal 52 via described selection input button for the user,, transfer in the controller 44 to infrared receiver 58 via infrared transmission will select input signal 52.
When video-audio playing system 40 is play one first video-audio signal, and follow-up video-audio signal detector 46 detects this first audio-visual letter tone signal when no longer existing, can on image display 49, show a menu (pop-up menu), this menu can present present selector 42 received a plurality of images and/or voice signals with corresponding option, make the user to be selected.
For example, when video-audio playing device 40 is play the cable TV video-audio signals, open the DVD VCD player that connects, make the image and/or the voice signal of video-audio playing device 40 automatic DVD playing back VCD player.And then open the VHS videocorder, make video-audio playing device 40 play the image and/or the voice signal of VHS videocorder automatically.At this moment, if close the VHS videocorder, image and/or voice signal that video-audio signal detector 46 detects the VHS videocorder no longer exist, then on image display 49, show a menu (pop-up menu), the cable TV video-audio signal that present selector 42 is received and the image and/or the voice signal of DVD VCD player present with corresponding option, make the user to be play by output playing device 48 by selecting one in these two kinds of images and/or the voice signal.
Continuation of the previous cases, if close the VHS videocorder, when video-audio signal detector 46 detects the image of VHS videocorder and/or voice signal and no longer exists, another execution mode also can not present menu, and make selector 42 automatically switch to the video-audio signal of cable television channels, and export broadcast automatically in the output playing device 48 to.That is to say, when video-audio signal detector 46 these first video-audio signals of detection no longer exist, can make selector 42 switch to the video-audio signal of cable television channels, and export broadcast automatically in the output playing device 48 to.
Work as the image of broadcast and/or the embodiment that voice signal no longer exists as mentioned above, the establishing method that still has many transformable images and/or voice signal to select automatically as can be known.Yet image and/or voice signal that whether new input is arranged with detection by video-audio signal detector 46, and, whether image and/or voice signal exist is the basis, and then selects the various distortion of image and/or voice signal all should be covered by in the scope of the present invention automatically.
Need manual switchover image and/or voice signal compared to known video-audio playing system, according to the image in video-audio playing system 40 provided by the present invention and the video-audio playing system and/or the automatic detection/system of selection of voice signal, video-audio playing system 40 can detect the image and/or the voice signal of input automatically, and selected the image and/or the voice signal of new input, make the user can exempt after opening the signal source device that video-audio playing system connected, also need video-audio playing system is carried out the operation of manual switchover.
By the above detailed description of preferred embodiments, be to wish to know more to describe feature of the present invention and spirit, and be not to come category of the present invention is limited with above-mentioned disclosed preferred embodiment.On the contrary, its objective is that hope can contain in the category that is arranged in claim of the present invention of various changes and tool equality.Therefore, the category of claim of the present invention should be done the broadest explanation according to above-mentioned explanation, contains the arrangement of all possible change and tool equality to cause it.

Claims (20)

1. video-audio playing system comprises:
One selector includes a plurality of input ports, can receive a plurality of images and/or the voice signal in unlike signal source, and selects control signal to select an output in described image and/or voice signal according to one;
One output playing device, image that this selector is exported and/or voice signal are through signal processing and play in this output playing device;
One controller can produce corresponding selection and control signal in this selector according to different selection input signals; And
One video-audio signal detector can detect the image and/or the voice signal that whether receive new input in a plurality of input ports of this selector;
Wherein, when this image and/or voice signal detector detect the image of new input and/or voice signal, can send a specific selection input signal to this controller, making that this controller is follow-up produces corresponding selection and controls signal in this selector, with image and/or the voice signal of selecting this new input and export in this output playing device and play automatically.
2. video-audio playing system as claimed in claim 1, each these a plurality of image and/or the voice signal that wherein input to this selector can be a video signal, or an audio signals, or one has the signal that video signal is mixed with message concurrently.
3. video-audio playing system as claimed in claim 2, wherein this output playing device is an image display, this video signal that this image display can be exported this selector, or this have concurrently signal that video signal mixes with message through the signal of video signal processes and displays in this image display.
4. video-audio playing system as claimed in claim 3, wherein this image display is a television set or a computer display screens.
5. video-audio playing system as claimed in claim 3, when wherein this video-audio signal detector detects the image of this new input and/or voice signal and no longer exists, can on this image display, show a menu, this menu can present present received a plurality of images and/or the voice signal of this selector with corresponding option, make the user to be selected.
6. video-audio playing system as claimed in claim 1 wherein is connected with the video-audio signal of a cable television channels in the input port of this selector.
7. video-audio playing system as claimed in claim 6, when wherein this video-audio signal detector detects the image of this new input and/or voice signal and no longer exists, can make this selector switch to the video-audio signal of this cable television channels, and export broadcast automatically in this output playing device to.
8. video-audio playing system as claimed in claim 1, wherein this controller and be connected to an input panel and include a plurality of selections input buttons can produce corresponding selection input signal to this controller via described selection input button for the user.
9. video-audio playing system as claimed in claim 1, this video-audio playing system and comprise an infrared remote controller wherein, this infrared remote controller is provided with a plurality of selection input buttons, can produce corresponding selection input signal via described selection input button for the user, and via infrared transmission to this controller.
10. video-audio playing system as claimed in claim 1, wherein this output playing device is an audio player, this audio player can be exported broadcast with the output signal of this selector in a loud speaker.
11. the automatic detection/system of selection of a video-audio signal in a video-audio playing system, this video-audio playing system comprises:
One selector includes a plurality of input ports, can receive a plurality of images and/or the voice signal in unlike signal source, and selects control signal to select an output in described image and/or voice signal according to one;
One output playing device, image that this selector is exported and/or voice signal are through signal processing and play in this output playing device; And
One controller can produce corresponding selection and control signal in this selector according to different selection input signals;
Automatically detection/system of selection is when image that detects new input and/or voice signal, send a specific selection input signal to this controller, making that this controller is follow-up produces corresponding selection and controls signal in this selector, with image and/or the voice signal of selecting this new input and export in this output playing device and play automatically.
12. automatic detection/system of selection as claimed in claim 11, each image and/or the voice signal that wherein input to this selector can be a video signal, or an audio signals, or one has the signal that video signal is mixed with message concurrently.
13. automatic detection/system of selection as claimed in claim 12, wherein this output playing device is an image display, this video signal that this image display is exported this selector, or this have concurrently signal that video signal mixes with message through the signal of video signal processes and displays in this image display.
14. automatic detection/system of selection as claimed in claim 13, wherein this image display is a television set or a computer display screens.
15. automatic detection/system of selection as claimed in claim 13, wherein when the image of this new input and/or voice signal no longer exist through detecting, can on this image display, show a menu, this menu can present present received a plurality of images and/or the voice signal of this selector with corresponding option, make the user to be selected.
16. automatic detection/system of selection as claimed in claim 11 wherein is connected with the video-audio signal of a cable television channels in the input port of this selector.
17. automatic detection/system of selection as claimed in claim 16, wherein when the image of this new input and/or voice signal no longer exist through detecting, can make this selector switch to the video-audio signal of this cable television channels, and export broadcast automatically in this output playing device to.
18. automatic detection/system of selection as claimed in claim 11, wherein this controller and be connected to an input panel and include a plurality of selections input buttons can produce corresponding selection input signal to this controller via described selection input button for the user.
19. automatic detection/system of selection as claimed in claim 11, this video-audio playing system and comprise an infrared remote controller wherein, this infrared remote controller is provided with a plurality of selection input buttons, can produce corresponding selection input signal via described selection input button for the user, and via infrared transmission to this controller.
20. automatic testing method as claimed in claim 11, wherein this output playing device is an audio player, and this audio player can be exported broadcast with the output signal of this selector in a loud speaker.
CNB2004100020834A 2004-01-12 2004-01-12 Image-sound playing system capable of automatically detecting/selecting image-sound signals and method thereof Expired - Fee Related CN100508576C (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101873454A (en) * 2009-04-22 2010-10-27 索尼公司 Audio processing equipment and audio-frequency processing method
US8026981B2 (en) 2006-01-03 2011-09-27 Mstar Semiconductor, Inc. Method of intelligently selecting a signal source and associated apparatus
CN104581132A (en) * 2013-10-11 2015-04-29 纬创资通股份有限公司 Detection system and detection method
CN105931589A (en) * 2016-04-25 2016-09-07 京东方科技集团股份有限公司 Signal source detection device and method, and display device

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8026981B2 (en) 2006-01-03 2011-09-27 Mstar Semiconductor, Inc. Method of intelligently selecting a signal source and associated apparatus
US8054384B2 (en) 2006-01-03 2011-11-08 Mstar Semiconductor, Inc. Method of auto-configuring audio-video signals and associated apparatus
CN101873454A (en) * 2009-04-22 2010-10-27 索尼公司 Audio processing equipment and audio-frequency processing method
CN104581132A (en) * 2013-10-11 2015-04-29 纬创资通股份有限公司 Detection system and detection method
CN104581132B (en) * 2013-10-11 2016-11-16 纬创资通股份有限公司 Detecting system and detection method
CN105931589A (en) * 2016-04-25 2016-09-07 京东方科技集团股份有限公司 Signal source detection device and method, and display device
WO2017185570A1 (en) * 2016-04-25 2017-11-02 Boe Technology Group Co., Ltd. Signal source detection and selection system, electronic system having the same, and method of detecting and selecting a signal source for a display apparatus
US10255877B2 (en) 2016-04-25 2019-04-09 Boe Technology Group Co., Ltd. Signal source detection and selection system, electronic system having the same, and method of detecting and selecting a signal source for a display apparatus

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