CN1855028A - Digital-video multi-media computer system with video expanding outputting function - Google Patents
Digital-video multi-media computer system with video expanding outputting function Download PDFInfo
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- CN1855028A CN1855028A CN 200510067444 CN200510067444A CN1855028A CN 1855028 A CN1855028 A CN 1855028A CN 200510067444 CN200510067444 CN 200510067444 CN 200510067444 A CN200510067444 A CN 200510067444A CN 1855028 A CN1855028 A CN 1855028A
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Abstract
A video-audio multimedia computer with expansion video output function is prepared as using multimedia processing unit to process multimedia source of storage media when system is not turned on, setting input port X1 and X2 as well as output port Y1 and Y2 on output switch-over circuit, coupling input port X1 and X2 separately to computer processing unit and multimedia processing unit and coupling output port Y1 and Y2 separately to display unit and video output interface for switching on one input from computer processing unit or multimedia processing unit and one output from display unit or video output interface selectively.
Description
Technical field
The invention relates to a kind of not start and can play the computer system of audio-visual multimedia, but be meant a kind of simplified system design especially and have the audio-visual multimedia computer system of video output expanding function.
Background technology
Because being in fashion of electronics technology, various electronic equipment such as personal computer, mobile computer, personal digital assistant etc. have become the part of modern's life, except document is handled, such as go up functions such as network or amusement audiovisual, also for having increased the enjoyment in many leisure beyond the busy work.
In amusement audiovisual function aspects, the general normal CD-ROM drive (CD-ROM) that is equipped with by computer system that is to use, digital laser video disk machine (DVD-ROM) or CD writers (CD-RW) read for example VCD, audio-visual multimedia CDs such as DVD, behind computer system power-on, screen and loudspeaker by computer system are viewed and admired image (Vi deo) and are listened to audio frequency (Audio) effect, but because CD-ROM drive is just can begin action by power supply unit supply electric power behind computer system power-on, can't operate CD-ROM drive as if the situation of shutting down in computer system is next, therefore, before viewing and admiring audio-visual multimedia, still must be with computer system power-on, and the time of needs wait main frame load operation systems (Operation System), very inconvenient.
At computing machine can provide when the off-mode operation CD-ROM drive aspect, at United States Patent (USP) the 6th, 279,056,6,266,714,6,006, No. 285 etc. case has disclosed the computer installation that can switch between personal computer pattern (PCmode) and music CD pattern (Audio CD mode), to utilize system management interrupt signal or to utilize the mode of the music of CD-ROM drive own, make computing machine fully in load operation system, CD-ROM drive driver and the application program, can carry out the computer system of the playing function of music.
As shown in Figure 1, for still playing the computer system 1 of audio-visual multimedia under this case inventor not open state that application case is proposed for No. 93109678 home, it is to cooperate display 2 to play the multimedia source 3 of Storage Media, computer system 1 can be personal computer, mobile computer, or other has the electronic installation of reading device 12 in multimedia source 3 of readable memory media, and except comprising aforesaid reading device 12, computer system 1 also comprises power supply unit 11, commutation circuit 13, main frame 14, media processing units 15, and indicative control unit 16.
Wherein, power supply unit 11 is to be used to supply electric power to give reading device 12, commutation circuit 13, main frame 14, media processing units 15, reading device 12 is to be used to read the multimedia source 3 of Storage Media and to produce data-signal 101 give commutation circuit 13, and commutation circuit 13 is to be used to make computer system 1 to switch between " computer patterns " and " multimedia mode ", main frame 14 is to be used to carry out general computer function, its exportable host signal 102 is given indicative control unit 16, by the display 2 that is electrically connected at indicative control unit 16 computer picture is shown again.
When commutation circuit 13 is in " computer patterns ", reading device 12 is by commutation circuit 13 and main frame 14 and electrically conducts, main frame 14 can receive the data-signal 101 that commutation circuit 13 exported and export host signal 102, after indicative control unit 16 receives host signal 102, export display 2 to and presented general operating system or other program picture.
When commutation circuit 13 switches to " multimedia mode ", then reading device 12 is by commutation circuit 13 and media processing units 15 and electrically conducts, make media processing units 15 be received the data-signal 101 that commutation circuit 13 is sent, export multi-media signal 103 after treatment and give indicative control unit 16, behind indicative control unit 16 multimedia signal receivings 103, multi-media signal 103 is adjusted suitably size according to its input picture dimension scale (scaling), exporting display 2 again to presents and plays this multi-media signal 103, by this, even if main frame 14 under open state not, still can be play with media processing units 15 by the multimedia source 3 that reading device 12 read Storage Media.
Yet, in the aforesaid design, when indicative control unit 16 is receiving " computer patterns " host signal 102 of main frame 14 outputs down, perhaps after " multimedia mode " multi-media signal 103 that multimedia processing unit 15 is exported down, it is the video of " computer patterns " or " multimedia mode " specification that indicative control unit 16 must be differentiated, ratio turns to and meets display 2 acceptable forms again, thus, increased complexity and the system development time in the system design.
Summary of the invention
Therefore, one object of the present invention, be the video of " computer patterns " or " multimedia mode " specification promptly, all may be output as the audio-visual multimedia computer system that meets the acceptable form of display with video output expanding function in that a kind of need not the resolution is provided.
Another object of the present invention, promptly providing a kind of and receiving the video of " computer patterns " or " multimedia mode " specification, can export the audio-visual multimedia computer system with video output expanding function of the acceptable form of external display to by the built-in video output interface of system.
So, the present invention has the audio-visual multimedia computer system of video output expanding function, it is the multimedia source that is used to play Storage Media, this audio-visual multimedia computer system comprises display device, video output interface and control module, this video output interface can be used for transferring vision signal to an exterior display device in this multimedia source for its demonstration, and this control module electrically connects this display device and this video output interface.
Control module has computer processing unit, multimedia processing unit and output switching circuit, when system boot, this computer processing unit is a computer operating modes, be the multimedia source that receives this Storage Media, and output meets the host signal of this display device broadcast format; When system did not start shooting, this multimedia processing unit can be set at a multimedia tupe, and the multimedia source that is used to handle this Storage Media is one to meet the multi-media signal of this display device broadcast format.
This output switching circuit electrically connects this computer processing unit, this multimedia processing unit and this display device, this output switching circuit has input port X1, X2 and output port Y1, Y2, input port X1, X2 couple this computer processing unit and this multimedia processing unit respectively, and output port Y1, Y2 system couples this built-in display device and this video output interface respectively.
By this, input port X1, the X2 that can set this output switching circuit switch from this computer processing unit or this any input of multimedia processing unit, and can select to switch to this display device and wherein any output of this video output interface by output port Y1, Y2.
The present invention has the audio-visual multimedia computer system of video output expanding function, because the host signal of output is handled in the multimedia of Storage Media source through this computer processing unit, and through the multi-media signal of this multimedia processing unit processes output, before the two exports this output switching circuit to, all be converted in advance and meet this display device broadcast format, so only needing that the signal switching just be may be output to this display device, this output switching circuit shown, need not establish indicative control unit resolution in addition is the video of computer patterns or multimedia mode specification, but remove the design of simplified system, also can be external other display device, expanded the video output function of audio-visual multimedia computer system.
Description of drawings
Fig. 1 is a circuit block diagram, and the computer system that still can play audio-visual multimedia under the not open state that application case is proposed for No. 93109678 home is described; And
Fig. 2 is a circuit block diagram, illustrates that the present invention has the preferred embodiment of the audio-visual multimedia audio-visual multimedia computer system of video output expanding function.
[main element label declaration]
100 audio-visual multimedia computer systems, 21 reader devices
101 select signal 22 CD-ROM drives
1 control module, 23 storage devices
11 computer processing units, 31 display device
12 multimedia processing units, 32 audio playing apparatus
131～133 input-switching circuits, 33 video output devices
134 output switching circuits, 5 Storage Medias
14 power amplifiers, 51 storage cards
2 reading devices, 52 image and sound optical disks
Embodiment
About aforementioned and other technology contents, characteristics and effect of the present invention, in the following detailed description that cooperates with reference to a graphic preferred embodiment, can clearly present.
As shown in Figure 2, the present invention has the preferred embodiment of the audio-visual multimedia computer system 100 of video output expanding function, system is used to play the multimedia source of Storage Media 5, and this embodiment comprises control module 1, reading device 2, display device 31, audio playing apparatus 32 and video output interface 33.
The reading device 2 of present embodiment is with reader device 21, CD-ROM drive 22 and storage device 23 illustrate for example, wherein, the Storage Media 5 that reader device 21 read is storage card 51,5 of the Storage Medias that CD-ROM drive 22 read are videodisc 52,23 of storage devices are general Winchester disk drive (Hard disk), yet, known to me, reading device 2 and Storage Media 5, the variation of combination such as the portable memory device that for example high-speed bus transmission interface (as: USB interface) is corresponding with it (as: the carry-on dish of USB) is also arranged, the scope that therefore also is applicable to notion of the present invention and is contained.
The display device 31 of present embodiment is the built-in LCD Panel of audio-visual multimedia computer system 100; Audio playing apparatus 32 is loudspeakers; Video output interface 33 is to meet wherein any video specification of LVDS, S-Video, CVBS and RGB, and this video output interface 33 is to be used to transfer vision signal to exterior display device (figure does not show) its demonstration of confession.
The control module 1 of present embodiment has computer processing unit 11, multimedia processing unit 12, three groups of input-switching circuits 131～133, output switching circuit 134 and power amplifiers 14.
Wherein, computer processing unit 11 electrically connects output switching circuit 134, by the handoff functionality of commutation circuit 134, computer processing unit 11 can be selected its host signal of exporting, and is to be sent to wherein any output type of display device 31 and video output interface 33.
Mandatory declaration be, computer processing unit 11 and multimedia processing unit 12 have other supply path, therefore, the triggering that adheres to the operating key (figure do not show) of the power initiation of different mode separately by setting starts the power supply of different mode, just can be chosen in computer operating modes or multimedia tupe under and operate.
In addition, the present invention is that the control with computer operating modes is set at preferentially, therefore, even the false touch representative starts the operating key of multimedia tupe under computer operating modes, also can not enter the multimedia tupe; And under the multimedia tupe,, then can force to enter computer operating modes if trigger the operating key that representative starts computer operating modes.
When pressing the operating key of representing computer operating modes, then audio-visual multimedia computer system 100 enters open state, computer processing unit 11 can judge whether have Storage Media 5 in the reading device 2, when detecting the existing of Storage Media 5, then enter computer operating modes to play the video-audio signal that loads from Storage Media 5; Similarly, when pressing the operating key of representing the multimedia tupe, then audio-visual multimedia computer system 100 enters the state of multimedia tupe, multimedia processing unit 12 can judge whether have Storage Media 5 in the reading device 2, when detecting the existing of Storage Media 5, then enter the multimedia tupe to play the video-audio signal that loads from Storage Media 5.
In the present embodiment, I/O commutation circuit 131～134 mainly is made up of an integrated circuit or a plurality of MOSFET circuit, its principle of work is to select signal 101 to set above-mentioned computer operating modes and multimedia tupe to receive, as for the source of selecting signal 101, be to set by the mode of pressing the button that is located at audio-visual multimedia computer system 100 outsides (figure does not show) or remote controller by the user to select signal 101, simultaneously can OSD (On Screen Display; Direct screen display) form presents function choosing-item on display device 31 after indicative control unit 14 is handled, so that select the switching of signal 101 to set.
When audio-visual multimedia computer system 100 starts, then enter computer operating modes, and set the optional function of I/O commutation circuit 131～134 simultaneously, make the X1 to Y of each input-switching circuit 131～133, and the path of the X1 to Y1 of output switching circuit 134 or Y2 is conducting, so all orders are controlled by computer processing unit 11; And audio-visual multimedia computer system 100 is not when starting shooting, be to push button or remote controller enters the multimedia tupe, can set the optional function of commutation circuit 131～134 simultaneously, make the X2 to Y of each I/O commutation circuit 131～134, and the path of the X2 to Y1 of output switching circuit 134 or Y2 is conducting, therefore can under the state of not start, do the processing and the broadcast of video-audio signal by multimedia processing unit 12.
Because input-switching circuit 131～133rd electrically connects storage device 23, CD-ROM drive 22 and reader device 21 respectively, equal readable data under the state of so no matter starting shooting/not starting shooting.
Except having input port X1, the X2 that couples computer processing unit 11 and multimedia processing unit 12 respectively, what be different from input-switching circuit 131～133 is that output switching circuit 134 also has output port Y1, the Y2 that couples this built-in display device 31 and video output interface 33 respectively.
The principle of work of output switching circuit 134 mainly is by the vision signal of input port X1, X2 receiving computer processing unit 11 with 12 outputs of multimedia processing unit, with host signal and multi-media signal wherein any signal selectively export; In addition,
Output switching circuit 134 is with the many matchmakers of computing machine The difference of body processing unit 11 and multimedia processing unit 12 power supply signals is used as control signal and is decided defeated Outbound port is Y1 or Y2, and by output port Y1, Y2 vision signal can be exported to display device 31 or through video output interface 33 for exterior display devices (figure does not show) wherein any device shown.
Conclude above-mentioned, the present invention has the audio-visual multimedia audio-visual multimedia computer system 100 of video output expanding function, the host signal of machine processing unit 11 processing the outputs as calculated because multimedia of Storage Media 2 is originated, and the multi-media signal of handling output through multimedia processing unit 12, the two exports to before the output switching circuit 134, all be converted to the broadcast format that meets display device 31 or video output interface 33 in advance, so output switching circuit 134 only needs just can directly to export the signal switching to display device 31 or video output interface 33 is shown, except having simplified the design of system, owing to can also expand the video output function of audio-visual multimedia computer system 100 via external other the display device of video output interface 33.
The above person of thought, it only is preferred embodiment of the present invention, when not limiting scope of the invention process with this, promptly the simple equivalent of being done according to the present patent application claim and invention description content generally changes and modifies, and all still belongs in the scope that claim of the present invention contains.
Claims (8)
1, a kind of audio-visual multimedia computer system with video output expanding function is the multimedia source that is used to play Storage Media, and this audio-visual multimedia computer system comprises:
Display device;
Video output interface, vision signal to an exterior display device in this multimedia source that can be used for transferring is for its demonstration; And
Control module electrically connects this display device and this video output interface, has:
Computer processing unit is a computer operating modes when system boot, be the multimedia source that receives this Storage Media, and output meets the host signal of this display device broadcast format;
The multimedia processing unit can not be set at the multimedia tupe when system starts shooting, and is used to handle the multimedia source of this Storage Media for meeting the multi-media signal of this display device broadcast format; And
Output switching circuit, electrically connect this computer processing unit, this multimedia processing unit and this display device, this output switching circuit has input port X1, X2 and output port Y1, Y2, input port X1, X2 couple this computer processing unit and this multimedia processing unit respectively, and output port Y1, Y2 system couples this built-in display device and this video output interface respectively;
By this, input port X1, the X2 that can set this output switching circuit switch from this computer processing unit or this any input of multimedia processing unit, and can select to switch to this display device and wherein any output of this video output interface by output port Y1, Y2.
2, the audio-visual multimedia computer system with video output expanding function according to claim 1, wherein, this multimedia processing unit has display controller, this display controller electrically connects the input port X2 of this output switching circuit, is that multimedia signal receiving changes into signal input ratio and meets this display device broadcast format.
3, the audio-visual multimedia computer system with video output expanding function according to claim 1, wherein, this video output interface is to meet wherein any video specification of LVDS, S-Video, CVBS and RGB.
4, audio-visual multimedia computer system with video output expanding function according to claim 1, also comprise reading device, this control module also has input-switching circuit, this reading device is the video-audio signal that is used to load this Storage Media, this input-switching circuit electrically connects this reading device, this computer processing unit and this multimedia processing unit, when this computer system during for open state not, this multimedia processing unit judges whether have this Storage Media in this reading device, when detecting the existing of this Storage Media, then enter this multimedia tupe to play the video-audio signal that loads from this Storage Media.
5, the audio-visual multimedia computer system with video output expanding function according to claim 4, wherein, this reading device is a reader device, and this Storage Media is a storage card.
6, the audio-visual multimedia computer system with video output expanding function according to claim 4, wherein, this reading device is a CD-ROM drive, and this Storage Media is a videodisc.
7, the audio-visual multimedia computer system with video output expanding function according to claim 4, wherein, this reading device is the high-speed bus transmission interface, and this Storage Media is to portable memory device that should transmission interface.
8, according to each described audio-visual multimedia computer system with video output expanding function in claim 1 and 4, wherein, this commutation circuit is made up of integrated circuit or a plurality of MOSFET circuit.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510067444 CN1855028A (en) | 2005-04-21 | 2005-04-21 | Digital-video multi-media computer system with video expanding outputting function |
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| Application Number | Priority Date | Filing Date | Title |
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| CN 200510067444 CN1855028A (en) | 2005-04-21 | 2005-04-21 | Digital-video multi-media computer system with video expanding outputting function |
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| Application Number | Title | Priority Date | Filing Date |
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| CNA2009101322961A Division CN101556533A (en) | 2005-04-21 | 2005-04-21 | Audio-visual multimedia computer system with video output expanding function |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009046582A1 (en) * | 2007-10-11 | 2009-04-16 | Meihsiang Chou | A multifunctional video/audio switching system |
| CN101482852B (en) * | 2008-01-09 | 2011-08-10 | 华硕电脑股份有限公司 | Computer system with multimedia interface apparatus |
| CN101667413B (en) * | 2008-09-03 | 2012-01-25 | 鸿富锦精密工业（深圳）有限公司 | Digital box and control method thereof |
| CN103988166A (en) * | 2011-12-12 | 2014-08-13 | 高通股份有限公司 | Selective mirroring of media output |
| CN104636108A (en) * | 2011-03-15 | 2015-05-20 | 联想(北京)有限公司 | Electronic equipment |
| CN104991751A (en) * | 2015-07-07 | 2015-10-21 | 宁海县华军网络科技有限公司 | Computer host extension device and startup control method thereof |
-
2005
- 2005-04-21 CN CN 200510067444 patent/CN1855028A/en active Pending
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009046582A1 (en) * | 2007-10-11 | 2009-04-16 | Meihsiang Chou | A multifunctional video/audio switching system |
| CN101482852B (en) * | 2008-01-09 | 2011-08-10 | 华硕电脑股份有限公司 | Computer system with multimedia interface apparatus |
| CN101667413B (en) * | 2008-09-03 | 2012-01-25 | 鸿富锦精密工业（深圳）有限公司 | Digital box and control method thereof |
| CN104636108A (en) * | 2011-03-15 | 2015-05-20 | 联想(北京)有限公司 | Electronic equipment |
| CN104636108B (en) * | 2011-03-15 | 2017-12-29 | 联想(北京)有限公司 | Electronic equipment |
| CN103988166A (en) * | 2011-12-12 | 2014-08-13 | 高通股份有限公司 | Selective mirroring of media output |
| CN103988166B (en) * | 2011-12-12 | 2017-08-25 | 高通股份有限公司 | The selective mirror of media output |
| CN104991751A (en) * | 2015-07-07 | 2015-10-21 | 宁海县华军网络科技有限公司 | Computer host extension device and startup control method thereof |
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