CN1661588A - Digitized multimedia video/audio system - Google Patents
Digitized multimedia video/audio system Download PDFInfo
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- CN1661588A CN1661588A CN 200410050871 CN200410050871A CN1661588A CN 1661588 A CN1661588 A CN 1661588A CN 200410050871 CN200410050871 CN 200410050871 CN 200410050871 A CN200410050871 A CN 200410050871A CN 1661588 A CN1661588 A CN 1661588A
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Abstract
The present invention relates to a design method of digitized multimedia image voice system and its equipment. It is characterized by that said invention uses special computer voice-frequency card and general computer component, and voice frequency card function expansion module circuit, related computer application software and integrated traditional voice frequency power amplifier circuit so as to implement the digitization application of multimedia image voice system and implement digitized signal processing and transmission, and can be substituted for all the discrete acoustic peripheral equipments and related detection and debugging instruments in the traditional acoustic equipment.
Description
Affiliated technical field:
The present invention relates to a kind of method for designing and device of digital multimedia audio-video system, belong to electronic technology field, be characterized in using special purpose computer audio card and general-purpose computer components, reach audio card function expanding module circuit, correlation computer application software, and integrated conventional audio power amplifier circuit.Thereby realized the digital applications of multimedia video-audio system, realize truly digitized signal processing processing, transmission, discrete sound equipment peripheral equipments all in traditional stereo set and coherent detection adjusting instrument have been replaced, detect commissioning device as peripheral equipment such as sound console, balanced device, compressor, driver and audio frequency oscillograph, audio signal generator, audio frequency spectrometer, audible spectrum analyser, audio frequency sonoscope etc., this invention is obtaining great progress aspect the multimedia video digital applications.
Background technology:
The sound equipment image technology is born in decades, the human now networked information era that has entered scientific and technological high development, in the practical application of existing sound equipment image technology, various a multitude of names, different discrete sound equipment peripheral equipment and the coherent detection adjusting instrument of function, exist serious deficiency, signal attenuation distortion, mimic channel distorted signals, the manufacturing cost height that causes as transmission signals distortion, connection line, install and use complexity, and the bulky and systematic jitters that too much causes of the loss of equipment self physics and separate devices etc.The present invention uses special purpose computer audio card and general-purpose computer components, reaches audio card function expanding module circuit, correlation computer application software, and integrated conventional audio power amplifier circuit.Thereby realized the digital applications of multimedia video-audio system, realize real meaning ± digitized signal processing handle, transmission, replaced discrete sound equipment peripheral equipments all in traditional stereo set and coherent detection adjusting instrument, detected commissioning device as peripheral equipment such as sound console, balanced device, compressor, driver and audio frequency oscillograph, audio signal generator, audio frequency spectrometer, audible spectrum analyser, audio frequency sonoscope etc.
Summary of the invention:
The present invention uses special purpose computer audio card and general-purpose computer components, reaches audio card function expanding module circuit, correlation computer application software, and integrated conventional audio power amplifier circuit.Thereby realized the digital applications of multimedia video-audio system, realize truly digitized signal processing processing, transmission, replaced discrete sound equipment peripheral equipments all in traditional stereo set and coherent detection adjusting instrument, detected commissioning device as peripheral equipment such as sound console, balanced device, compressor, driver and audio frequency oscillograph, audio signal generator, audio frequency spectrometer, audible spectrum analyser, audio frequency sonoscope etc.
The technical scheme that digital multimedia audio-video system of the present invention is adopted is:
The present invention uses special purpose computer audio card and general-purpose computer components, reaches audio card function expanding module circuit, correlation computer application software, and integrated conventional audio power amplifier circuit.Thereby realized the digital applications of multimedia video-audio system, replaced discrete sound equipment peripheral equipments all in traditional stereo set and coherent detection adjusting instrument, detected commissioning device as peripheral equipment such as sound console, balanced device, compressor, driver and audio frequency oscillograph, audio signal generator, audio frequency spectrometer, audible spectrum analyser, audio frequency sonoscope etc.
Native system has been realized the digital applications of multimedia video-audio system, discrete sound equipment peripheral equipments all in traditional stereo set and coherent detection adjusting instrument have promptly been replaced with lower cost, detect commissioning device as peripheral equipment such as sound console, balanced device, compressor, driver and audio frequency oscillograph, audio signal generator, audio frequency spectrometer, audible spectrum analyser, audio frequency sonoscope etc., reduced manufacturing, purchase, the use cost of sound equipment image peripheral equipment significantly.
Description of drawings:
The present invention is further described below in conjunction with drawings and Examples.
Fig. 1 is the digital multimedia audio-video system circuit theory diagrams that first embodiment adopts general-purpose computer motherboard integrated power amplifier circuit.
Fig. 2 is the digital multimedia audio-video system circuit theory diagrams that second embodiment adopts special purpose computer motherboard integrated power amplifier circuit.
Fig. 3 is the digital multimedia audio-video system circuit theory diagrams that the 3rd embodiment adopts the special purpose computer motherboard.
Fig. 4 is the built-in multi-functional expansion module circuit interface schematic diagram of system.
Fig. 5 is traditional sound system application structure figure.
Fig. 6 is digital multimedia audio-video system application structure figure.
Fig. 7 is the built-in operation control panel structural drawing of digital multimedia audio-video system.
Fig. 8 is the external operation remote controllers of a digital multimedia audio-video system panel structure chart.
Embodiment:
1, is first embodiment referring to Fig. 1, adopts the general-purpose computer motherboard to integrate digital multimedia audio-video system (0) circuit theory diagrams of audio-frequency power amplifier circuit.Use special purpose computer audio card (7) and general-purpose computer components: computer motherboard (2), computer standard power supply (6), computing machine shows looks card (8), computer media decompress(ion) card (9), computing machine network interface card (10), hard disc of computer storer (11), be built in computer media application software and multimedia file storehouse (12) of hard disc of computer, audio card function expanding module circuit (17), power amplifier power supply (18), and integration audio-frequency power amplifier circuit (20), power amplifier automatic switching energy supply control module circuit (1).This system works flow process is: sound signal is transferred to special purpose computer audio card (7) signal input interface by audio card function expanding module circuit (17) audio frequency acquiring signal, audio card (7) with audio signal transmission to the computer media application software that is built in hard disc of computer and multimedia file storehouse (12), the user passes through operation keyboard, mouse (3) or dedicated button panel, infrared, external control deviceses such as bluetooth (4) carry out real-time debug control, then with treated digital signal through audio card (7) output interface, transfer to multi-functional expansion module (17), be sent to power amplifier (20) by the signal output interface on the multi-functional expansion module (17), carry out the sound signal power amplification, output promotes the loudspeaker sounding through outlet line (19).
This system's built-in power amplifier automatic switching energy supply control module circuit (1), principle of work is: sent the working instruction signal startup or closed power amplifier (20) work by computing machine.
The built-in multi-functional expansion module of this system (17) provides sound signal circuit output interface (16), TV signal output interface (14), external audio signal input interface (15).
The built-in computing machine network interface card of this system (10) can provide operated from a distance, control, maintenance by Internet (Internet) or LAN (Local Area Network).
The computer media decompress(ion) card (9) that this system is built-in is that video and audio signal transfers to multi-functional expansion module (17) with the computer media file decoding that is built in hard disc of computer.
Built-in computer motherboard (2), computer standard power supply (6), computer display card (8), computer media decompress(ion) card (9), computing machine network interface card (10), hard disc of computer storer (11), central processing unit (CPU) CPU (5), the calculator memory (13) of this system all adopts the standard computer accessory.
2, be second embodiment referring to Fig. 2, adopt the special purpose computer motherboard to integrate digital multimedia audio-video system (21) circuit theory diagrams of audio-frequency power amplifier circuit.Use mainboard integrated audio card (28) and special-purpose member: special-purpose integrated host plate (23), special-purpose integrated power supply (22), mainboard be integrated to be shown and looks card (29), mainboard integrated multimedia decompress(ion) card (31), mainboard integrated network card (32), hard disc of computer storer (33), the computer media application software that is built in hard disc of computer and multimedia file storehouse (34), mainboard integrated audio card function expanding module circuit (37) and integrate audio-frequency power amplifier circuit (38).The system works flow process is: sound signal is transferred to mainboard integrated audio card (28) signal input interface by mainboard integrated audio card function expanding module circuit (37) audio frequency acquiring signal, mainboard integrated audio card (28) with audio signal transmission to the computer media application software that is built in hard disc of computer and multimedia file storehouse (34), the user passes through operation keyboard, mouse (26) or dedicated button panel, infrared, external control deviceses such as bluetooth (27) carry out real-time debug control, then with treated digital signal through audio card (28) output interface, transfer to multi-functional expansion module (37), be sent to power amplifier (38) by the signal output interface on the multi-functional expansion module (37), carry out the sound signal power amplification, output promotes the loudspeaker sounding.
The built-in multi-functional expansion module circuit of this system (37) provides signal output interface (36), external audio signal input interface (35).
This system's onboard motherboard integrated network card (32) can provide operated from a distance, control, maintenance by Internet (Internet) or LAN (Local Area Network).
The mainboard integrated multimedia decompress(ion) card (31) that this system is built-in is that video and audio signal transfers to multi-functional expansion module (37) with the computer media file decoding that is built in hard disc of computer.
The private host plate (23) that this system is built-in, integrated display card (29), multimedia decompress(ion) card (31), network interface card (32).
This system's built-in hard disk storer (33), central processor CPU (24), internal memory (25) all adopt the standard computer accessory.
This system's built-in power (22) is integrated into an independently power module with computer power supply and audio-frequency power amplifier power supply.
3, be the 3rd embodiment referring to Fig. 3, adopt digital multimedia audio-video system (40) circuit theory diagrams of special purpose computer motherboard.Use mainboard integrated audio card (47) and special-purpose member: special-purpose integrated host plate (40), mainboard integrated apparent look card (48), mainboard integrated multimedia decompress(ion) card (50), mainboard integrated network card (51), hard disc of computer storer (52), the computer media application software that is built in hard disc of computer and multimedia file storehouse (53), mainboard integrated audio card function expanding module circuit (56).The system works flow process is: sound signal is transferred to mainboard integrated audio card (47) signal input interface by mainboard integrated audio card function expanding module circuit (56) audio frequency acquiring signal, mainboard integrated audio card (47) with audio signal transmission to the computer media application software that is built in hard disc of computer and multimedia file storehouse (53), the user passes through operation keyboard, mouse (45) or dedicated button panel, infrared, external control deviceses such as bluetooth (46) carry out real-time debug control, then with treated digital signal through audio card (47) output interface, transfer to multi-functional expansion module (56), be sent to external power amplifier by the signal output interface (55) on the multi-functional expansion module (56), carry out the sound signal power amplification, output promotes the loudspeaker sounding.
The built-in multi-functional expansion module circuit of this system (56) provides signal output interface (55), external audio signal input interface (54).
This system's onboard motherboard integrated network card (51) can provide operated from a distance, control, maintenance by Internet (Internet) or LAN (Local Area Network).
The mainboard integrated multimedia decompress(ion) card (50) that this system is built-in is that video and audio signal transfers to multi-functional expansion module (56) with the computer media file decoding that is built in hard disc of computer.
The private host plate (42) that this system is built-in, integrated display card (48), multimedia decompress(ion) card (50), network interface card (51).
This system's built-in hard disk storer (52), central processor CPU (43), internal memory (44) all adopt the standard computer accessory.
This system's built-in power (41) is the computer standard power supply.
4, be the built-in multi-functional expansion module circuit interface schematic diagram of system referring to Fig. 4:
Line signal (62) inputs to the computer audio card, and the computer audio card is imported through amplitude adjusting circuit (60) to mixer (59) in microphone signal input (63), (64), (65).The signal of input exports (68), (69) to by computer audio card master after system handles; Around exporting (67) to; Low frequency signal is by (70), (71) output.Vision signal exports (61) by system's built-in multimedia decompress(ion) card to through multi-functional expansion module circuit.
5, be traditional sound system application structure figure referring to Fig. 5:
In the practical application of tradition sound system, microphone (73) inputs to sound console (82); Sound source signals (72) such as DVD, VCD, deck input to sound console (82); Other sound source signal (74) inputs to sound console (82); Input signal outputs to balanced device (76) after the sound console debugging mixes, via compressor (77), driver (78) and other peripheral equipment (79), handle after promote sounding by transferring to audio amplifier (81) after power amplifier (80) amplification.
The sound signal that need carry out effect process is sent to effect device (75) via sound console (82), carry out effect process after, be back to sound console (82).
Vision signal such as DVD, VCD is through (83) output.
6, be digital multimedia audio-video system application structure figure referring to Fig. 6:
External signal (84) inputs to digital multimedia audio-video system (85), the digital multimedia audio-video system includes sound console, balanced device, driver, compressor, effect device and other peripheral equipments, multimedia video integrated system (86), power amplifier and Digital Detecting circuit module (88) carry out digitized signal processing to be handled, transmission, discrete sound equipment peripheral equipments all in traditional stereo set and coherent detection adjusting instrument have been replaced, as sound console, balanced device, compressor, peripheral equipment and audio frequency oscillographs such as driver, audio signal generator, the audio frequency spectrometer, the audible spectrum analyser, audio frequency sonoscopes etc. detect commissioning device.Digital multimedia audio-video system (85) will promote the audio amplifier sounding through the signal of digitized processing and power amplification.Digital multimedia audio-video system (85) exports the multimedia image reduction to (89).
7, be the built-in operation control panel structural drawing of digital multimedia audio-video system referring to Fig. 7.
The built-in operation control panel prompt operation of digital multimedia audio-video system button (90), (91), (92), (93), (94) are the multi-functional control menu key; Operation push-button (95) is the video switch key; (96), (97) are volume control key; (98), (99) are last nextpage page turning key; (100) be the master menu return key; (101) be the Previous Menu return key; (102) be the tools menu key; (103) be the media play key; (104) be the media play Pause key; (105) fall back on a file key soon for media play; (106) be fast-forward to next file key for media play; (107) be LCDs.
8, be the external operation remote controllers of digital multimedia audio-video system panel structure chart referring to Fig. 8.
The external remote controller control panel of digital multimedia audio-video system (108) prompt operation button (110), (111), (112), (113), (114) are the multi-functional control menu key; Operation push-button (115) is the video switch key; (116), (117) are volume control key; (118), (119) are last nextpage page turning key; (120) be the master menu return key; (121) be the Previous Menu return key; (122) be the tools menu key; (123) be the media play key; (124) be the media play Pause key; (125) fall back on a file key soon for media play; (126) be fast-forward to next file key for media play; (109) be LCDs.
Claims (6)
1, a kind of digital multimedia audio-video system that adopts the general-purpose computer motherboard to integrate the audio-frequency power amplifier circuit, its feature comprises:
Use special purpose computer audio card (7) and general-purpose computer components: computer motherboard (2), computer standard power supply (6), computing machine shows looks card (8), computer media decompress(ion) card (9), computing machine network interface card (10), hard disc of computer storer (11), be built in computer media application software and multimedia file storehouse (12) of hard disc of computer, audio card function expanding module circuit (17), power amplifier power supply (18), and integration audio-frequency power amplifier circuit (20), power amplifier automatic switching energy supply control module circuit (1).This system works flow process is: sound signal is transferred to special purpose computer audio card (7) signal input interface by audio card function expanding module circuit (17) audio frequency acquiring signal, audio card (7) with audio signal transmission to the computer media application software that is built in hard disc of computer and multimedia file storehouse (12), the user passes through operation keyboard, mouse (3) or dedicated button panel, infrared, external control deviceses such as bluetooth (4) carry out real-time debug control, then with treated digital signal through audio card (7) output interface, transfer to multi-functional expansion module (17), be sent to power amplifier (20) by the signal output interface on the multi-functional expansion module (17), carry out the sound signal power amplification, output promotes the loudspeaker sounding through outlet line (19).
This system's built-in power amplifier automatic switching energy supply control module circuit (1), principle of work is: sent the working instruction signal startup or closed power amplifier (20) work by computing machine.
The built-in multi-functional expansion module of this system (17) provides sound signal circuit output interface (16), TV signal output interface (14), external audio signal input interface (15).
The built-in computing machine network interface card of this system (10) can provide operated from a distance, control, maintenance by Internet (Internet) or LAN (Local Area Network).
The computer media decompress(ion) card (9) that this system is built-in is that video and audio signal transfers to multi-functional expansion module (17) with the computer media file decoding that is built in hard disc of computer.
Built-in computer motherboard (2), computer standard power supply (6), computer display card (8), computer media decompress(ion) card (9), computing machine network interface card (10), hard disc of computer storer (11), central processing unit (CPU) CPU (5), the calculator memory (13) of this system all adopts the standard computer accessory.
It is 2, according to claim 1,, adopt the special purpose computer motherboard to integrate digital multimedia audio-video system (21) circuit theory diagrams of audio-frequency power amplifier circuit.Use mainboard integrated audio card (28) and special-purpose member: special-purpose integrated host plate (23), special-purpose integrated power supply (22), mainboard be integrated to be shown and looks card (29), mainboard integrated multimedia decompress(ion) card (31), mainboard integrated network card (32), hard disc of computer storer (33), the computer media application software that is built in hard disc of computer and multimedia file storehouse (34), mainboard integrated audio card function expanding module circuit (37) and integrate audio-frequency power amplifier circuit (38).The system works flow process is: sound signal is transferred to mainboard integrated audio card (28) signal input interface by mainboard integrated audio card function expanding module circuit (37) audio frequency acquiring signal, mainboard integrated audio card (28) with audio signal transmission to the computer media application software that is built in hard disc of computer and multimedia file storehouse (34), the user passes through operation keyboard, mouse (26) or dedicated button panel, infrared, external control deviceses such as bluetooth (27) carry out real-time debug control, then with treated digital signal through audio card (28) output interface, transfer to multi-functional expansion module (37), be sent to power amplifier (38) by the signal output interface on the multi-functional expansion module (37), carry out the sound signal power amplification, output promotes the loudspeaker sounding.
The built-in multi-functional expansion module circuit of this system (37) provides signal output interface (36), external audio signal input interface (35).
This system's onboard motherboard integrated network card (32) can provide operated from a distance, control, maintenance by Internet (Internet) or LAN (Local Area Network).
The mainboard integrated multimedia decompress(ion) card (31) that this system is built-in is that video and audio signal transfers to multi-functional expansion module (37) with the computer media file decoding that is built in hard disc of computer.
The private host plate (23) that this system is built-in, integrated display card (29), multimedia decompress(ion) card (31), network interface card (32).
This system's built-in hard disk storer (33), central processor CPU (24), internal memory (25) all adopt the standard computer accessory.
This system's built-in power (22) is integrated into an independently power module with computer power supply and audio-frequency power amplifier power supply.
It is 3, according to claim 1,, digital multimedia audio-video system (40) circuit theory diagrams of employing special purpose computer motherboard.Use mainboard integrated audio card (47) and special-purpose member: special-purpose integrated host plate (40), mainboard integrated apparent look card (48), mainboard integrated multimedia decompress(ion) card (50), mainboard integrated network card (51), hard disc of computer storer (52), the computer media application software that is built in hard disc of computer and multimedia file storehouse (53), mainboard integrated audio card function expanding module circuit (56).The system works flow process is: sound signal is transferred to mainboard integrated audio card (47) signal input interface by mainboard integrated audio card function expanding module circuit (56) audio frequency acquiring signal, mainboard integrated audio card (47) with audio signal transmission to the computer media application software that is built in hard disc of computer and multimedia file storehouse (53), the user passes through operation keyboard, mouse (45) or dedicated button panel, infrared, external control deviceses such as bluetooth (46) carry out real-time debug control, then with treated digital signal through audio card (47) output interface, transfer to multi-functional expansion module (56), be sent to external power amplifier by the signal output interface (55) on the multi-functional expansion module (56), carry out the sound signal power amplification, output promotes the loudspeaker sounding.
The built-in multi-functional expansion module circuit of this system (56) provides signal output interface (55), external audio signal input interface (54).
This system's onboard motherboard integrated network card (51) can provide operated from a distance, control, maintenance by Internet (Internet) or LAN (Local Area Network).
The mainboard integrated multimedia decompress(ion) card (50) that this system is built-in is that video and audio signal transfers to multi-functional expansion module (56) with the computer media file decoding that is built in hard disc of computer.
The private host plate (42) that this system is built-in, integrated display card (48), multimedia decompress(ion) card (50), network interface card (51).
This system's built-in hard disk storer (52), central processor CPU (43), internal memory (44) all adopt the standard computer accessory.
This system's built-in power (41) is the computer standard power supply.
4, the built-in multi-functional expansion module circuit of a kind of digital multimedia audio-video system system:
Line signal (62) inputs to the computer audio card, and the computer audio card is imported through amplitude adjusting circuit (60) to mixer (59) in microphone signal input (63), (64), (65).The signal of input exports (68), (69) to by computer audio card master after system handles; Around exporting (67) to; Low frequency signal is by (70), (71) output.Vision signal exports (61) by system's built-in multimedia decompress(ion) card to through multi-functional expansion module circuit.
5, the built-in operation control panel of a kind of digital multimedia audio-video system.
The built-in operation control panel prompt operation of digital multimedia audio-video system button (90), (91), (92), (93), (94) are the multi-functional control menu key; Operation push-button (95) is the video switch key; (96), (97) are volume control key; (98), (99) are last nextpage page turning key; (100) be the master menu return key; (101) be the Previous Menu return key; (102) be the tools menu key; (103) be the media play key; (104) be the media play Pause key; (105) fall back on a file key soon for media play; (106) be fast-forward to next file key for media play; (107) be LCDs.
6, the external operation remote controllers of a kind of digital multimedia audio-video system.
The external remote controller control panel of digital multimedia audio-video system (108) prompt operation button (110), (111), (112), (113), (114) are the multi-functional control menu key; Operation push-button (115) is the video switch key; (116), (117) are volume control key; (118), (119) are last nextpage page turning key; (120) be the master menu return key; (121) be the Previous Menu return key; (122) be the tools menu key; (123) be the media play key; (124) be the media play Pause key; (125) fall back on a file key soon for media play; (126) be fast-forward to next file key for media play; (109) be LCDs.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410050871 CN1661588A (en) | 2004-07-30 | 2004-07-30 | Digitized multimedia video/audio system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN 200410050871 CN1661588A (en) | 2004-07-30 | 2004-07-30 | Digitized multimedia video/audio system |
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| CN1661588A true CN1661588A (en) | 2005-08-31 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009046682A1 (en) * | 2007-10-13 | 2009-04-16 | Fan Zhang | Multimedia acoustics system having audio frequency digital interface |
| CN101711008A (en) * | 2007-10-13 | 2010-05-19 | 张凡 | Multimedia sound system with audio digital interface |
| CN108419182A (en) * | 2018-03-14 | 2018-08-17 | 北方华录文化科技（北京）有限公司 | A kind of effect device and adjustment method |
-
2004
- 2004-07-30 CN CN 200410050871 patent/CN1661588A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009046682A1 (en) * | 2007-10-13 | 2009-04-16 | Fan Zhang | Multimedia acoustics system having audio frequency digital interface |
| CN101711008A (en) * | 2007-10-13 | 2010-05-19 | 张凡 | Multimedia sound system with audio digital interface |
| US9294843B2 (en) | 2007-10-13 | 2016-03-22 | Fan Zhang | Multimedia acoustics system having audio frequency digital interface |
| CN108419182A (en) * | 2018-03-14 | 2018-08-17 | 北方华录文化科技（北京）有限公司 | A kind of effect device and adjustment method |
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