CN1763707A - Sound effect processing circuit - Google Patents
Sound effect processing circuit Download PDFInfo
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- CN1763707A CN1763707A CN 200410083845 CN200410083845A CN1763707A CN 1763707 A CN1763707 A CN 1763707A CN 200410083845 CN200410083845 CN 200410083845 CN 200410083845 A CN200410083845 A CN 200410083845A CN 1763707 A CN1763707 A CN 1763707A
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- 230000000694 effects Effects 0.000 title claims abstract description 50
- 238000006073 displacement reaction Methods 0.000 abstract 1
- 230000006855 networking Effects 0.000 description 10
- 101100215340 Solanum tuberosum AC97 gene Proteins 0.000 description 6
- 238000010586 diagram Methods 0.000 description 6
- 238000004088 simulation Methods 0.000 description 2
- 230000005236 sound signal Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
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Abstract
The invention discloses a voice effect disposal circuit, which receives through multitasker and outputs through switching south-bridge chip. The digital signal of voice effect source reaches the replaceable slot of digit-and-analog decipherer and communication network auxiliary slot; the digit-and-analog decipherer realizes the displacement according to the digital signal of south-bridge chip, which possesses more compatible.
Description
Technical field
The present invention relates to a kind of sound effect processing circuit, particularly a kind of sound effect processing circuit with switch switching and slot.
The background skill originally
In the framework of existing motherboard, the part for audio is handled mainly realizes with hardware circuit.Therefore this known sound effect processing circuit has compatible not enough situation and takes place for using fixing code translator.The South Bridge chip that is numbered ICH6 with Intel is an example, and it is the ACZ unit about the audio processing section, and wherein, the ACZ unit can for example provide the specification of Azalia or the specification of AC97 is provided.
In simple terms, when the ACZ unit when the Azalia specification is provided, the audio output that the ACZ unit is provided can reach 8 sound channels, when the ACZ unit when the specification of AC97 is provided, the audio output that the ACZ unit is provided then is 5.1 sound channels.
Please refer to the synoptic diagram of known sound effect processing circuit shown in Figure 1.In Fig. 1, South Bridge chip 110 its ACZ unit 115 pairing sound effect processing circuits 120 of ICH6 are by being made up of connecting bus 130 and digital-to-analog code translator 140 on the motherboard 100.Wherein, the digital signal as audio source that ACZ unit 115 can be exported of connecting bus 130 exports Communication and Networking Riser 150 to (Communication and Networking Riser CNR), or exports digital-to-analog code translator 140 to.And by the plug-in card on the Communication and Networking Riser 150 or by digital-to-analog code translator 140 with the digital audio conversion of signals for the simulation sound signal after, the simulation sound signal can be for example by the loudspeaker output terminal (not illustrating) on the Communication and Networking Riser 150 or by connecting bus by loudspeaker output terminal 170 to export.
But since sound effect processing circuit 120 when motherboard 100 is made, sound effect processing circuit 120 has been welded extremely on motherboard 100, therefore for ACZ unit 115, if ACZ unit 115 for service that the Azalia specification is provided then digital-to-analog code translator 140 be necessary for the digital-to-analog code translator 140 of decodable code Azalia specification, if ACZ unit 115 for service that the AC97 specification is provided then digital-to-analog code translator 140 be necessary for the digital-to-analog code translator 140 of decodable code AC97 specification.
And, when 140 specifications that can decipher of digital-to-analog code translator are defined, for example network (Modem) card of being inserted on the Communication and Networking Riser 150, it will support can decipher the identical audio specification output of specification with 140 in digital-to-analog code translator.
So, dead under the situation of motherboard 100 at sound effect processing circuit 120 by weldering, sound effect processing circuit 120 on must corresponding South Bridge chip 110 ACZ unit 115 and be provided with.For motherboard manufacturer, the ACZ unit 115 on the digital-to-analog code translator 140 necessary corresponding South Bridge chips 110 of sound effect processing circuit 120.And after the 140 decodable specification decisions of digital-to-analog code translator, the khaki audio processing section that Communication and Networking Riser 150 is inserted also is limited.
In addition, if motherboard manufacturer desire improves the output audio specification of motherboard 100, change the South Bridge chip 110 that only has ACZ unit 115 and when changing the South Bridge chip (not illustrating) of the audio unit that has ACZ unit 115 and exportable Azalia specification simultaneously into, sound effect processing circuit 120 its connecting bus 130 possibly can't transmit the digital signal of Azalia specification, and analog/digital code translator 140 can't be deciphered the digital signal of Azalia specification, so sound effect processing circuit 120 can't be supported the audio output of Azalia specification and AC97 specification simultaneously.
Summary of the invention
Fundamental purpose of the present invention provides a kind of sound effect processing circuit, can support the audio unit of each more than a kind of specification.
For reaching this purpose, the present invention proposes a kind of sound effect processing circuit, is made up of a connecting bus, multiplexer, slot and digital-to-analog code translator.Wherein, a connecting bus transmits the digital signal that an audio device is exported.Multiplexer receives the digital signal of bus transmission thus to switch output.Slot then receives digital signal that multiplexer exports to handle back output simulating signal by the digital-to-analog code translator on the slot to the audio output terminal.This digital-to-analog code translator is in order to the digital signal converting analogue signals.
In preferred embodiment of the present invention, the one of these audio devices is the audio unit of supporting multichannel output specification on the South Bridge chip, for example supports the audio unit of six sound channels output specification or supports Eight-channel to export the audio unit of specification.Corresponding above-mentioned, the digital-to-analog code translator on slot for example decodable code six sound channels is exported the digital signal of specification or the digital signal of Eight-channel output specification.And the audio output terminal is also supported the specification of six sound channels output and Eight-channel output simultaneously.
Similarly, for achieving the above object, the present invention proposes another kind of sound effect processing circuit again, and it changes by two connecting bus, multiplexer, slot and digital-to-analog code translator is formed.Wherein, this two connecting bus can transmit the digital signal that two audio devices are exported respectively.
In preferred embodiment of the present invention, the one of these audio devices with and two can for example be the first audio unit and the second audio unit of supporting six sound channels output specification and Eight-channel output specification on the South Bridge chip respectively.Or, all support six sound channels to export the first audio unit and the second audio unit of specification on the South Bridge chip.
As for the digital-to-analog code translator still decodable code for example be the digital signal of the multichannel output specification of six sound channels or Eight-channel.The audio output terminal also can be supported the specification of six sound channels output and Eight-channel output simultaneously.
For the ease of understanding feature of the present invention, purpose and function, the present invention is described in detail below in conjunction with accompanying drawing.
Description of drawings
Fig. 1 is the synoptic diagram of known sound effect processing circuit;
Fig. 2 is the synoptic diagram of the sound effect processing circuit of preferred embodiment of the present invention;
Fig. 3 is the synoptic diagram of another sound effect processing circuit of preferred embodiment of the present invention.
Description of reference numerals: 100,200 motherboards; 110,210,3l0 South Bridge chip; 115,215,315,317 audio unit; 120,217,320 sound effect processing circuits; 130,160,240,245,360,365 connecting bus; 140 digital-to-analog code translators; 150,250,350 Communication and Networking Risers; 170,260,370 loudspeaker output terminals; 220,330 multiplexers; 230,340 slots.
Embodiment
Please refer to the synoptic diagram of the sound effect processing circuit of preferred embodiment of the present invention shown in Figure 2.For audio unit 215 in the South Bridge chip on the respective hosts plate 200 210 is six sound channels output specification (AC97 specification) or Eight-channel output specification (Azalia specification), sound effect processing circuit 217 of the present invention is especially with can the plant slot 230 of digital-to-analog code translator (not illustrating) of multiplexer (multiplexer) 220 collocation, to improve the asynchronous compatibility of corresponding audio unit kind.
With Fig. 2 is example, and audio unit 215 is via the digital signal of connecting bus 240 outputs in the multiplexer 220 changeable South Bridge chips 210.Or switch the output digital signal and export for example network (Modem) card that Communication and Networking Riser 250 is planted to via connecting bus 245.
Replacement by digital-to-analog code translator (not illustrating) kind on slot 230 again, the digital-to-analog code translator that for example is decodable code Eight-channel output specification digital signal maybe can connect yard digital-to-analog code translator of six sound channels output specification, exports specification with the multichannel that corresponding audio supplier is provided.When the digital signal of audio unit 215 devices is an Eight-channel output specification, then can be on slot 230 the digital-to-analog code translator of digital signal of this Eight-channel output specification of plant decodable code, as if audio unit 215 is the digital signal of six sound channels output specification, then the digital-to-analog code translator of the digital signal of this six sound channels output specification of plant decodable code on slot 230.
Please refer to the synoptic diagram of another sound effect processing circuit of preferred embodiment of the present invention shown in Figure 3.When on Fig. 2 motherboard 200 when the South Bridge chip 210 that only has single audio unit 215 replaces with the South Bridge chip 310 that has two audio unit 315,317 simultaneously, this sound effect processing circuit 320 is except that using multiplexer 330 and slot 340, this sound effect processing circuit 320 is corresponding two audio unit 315,317, use two connecting bus 360,365 to transmit two audio unit, 315,317 digital signals of being exported respectively, and digital signal is exported to slot 340 or exports Communication and Networking Riser 350 to by multiplexer 330 to multitask device 330.
Similarly, multiplexer 330 switches its received digital signal of output to slot 340 or Communication and Networking Riser 350 still according to the setting of motherboard 200.And, the digital/analog signal code translator (not shown) of being planted on the slot 340, can decide according to the multichannel output specification of audio unit 315,317 digital signals of exporting of South Bridge chip 310 inside, for example the Eight-channel that provides when audio unit 315 is exported the digital signal of specification, when the six sound channels that audio unit 317 provides is exported the digital signal of specification, can be in response to the digital/analog signal code translator of being planted on the required decision slot 340 of user.
Therefore, no matter which kind of multichannel output specification the audio unit of South Bridge chip inside for providing, sound effect processing circuit of the present invention all can by multiplexer switch and the collocation slot on the corresponding digital/analog signal code translator of planting, with in response to required when specification is exported for different multichannels are provided in the audio unit on the South Bridge chip.
So sound effect processing circuit of the present invention is by the design of multiplexer and slot, can especially change under the situation of the South Bridge chip that has dissimilar audios unit simultaneously on the motherboard in response to the digital signal output of the different sound channel specifications of different audio devices.Also therefore, sound effect processing circuit of the present invention is for replacing when having the South Bridge chip of dissimilar audios unit simultaneously on the motherboard, also has compatibility, can be as not known, being subject to sound effect processing circuit is welded extremely on motherboard, and causing motherboard to use when having the South Bridge chip of dissimilar audios unit simultaneously, its sound effect processing circuit can't be supported.
Comprehensively above-mentioned, the present invention proposes a kind of sound effect processing circuit, by the digital signal that multiplexer receives and switching output is originated as audio, digital-to-analog code translator on the slot then according to the specification of digital signal that South Bridge chip is exported to replace, therefore sound effect processing circuit of the present invention can be replaced the digital-to-analog code translator at the specification in audio source, has more compatibility.
The above only is preferred embodiment of the present invention, when not limiting the scope of the invention with this.Be that all equalizations of doing according to claim of the present invention change and modify, will do not lose main idea of the present invention place, also do not break away from the spirit and scope of the present invention, all should be considered as further enforcement of the present invention.
Claims (15)
1, a kind of sound effect processing circuit comprises:
One connecting bus transmits the digital signal that an audio device is exported respectively;
One multiplexer receives the digital signal of being transmitted by this connecting bus and exports to switch;
One slot receives this digital signal that this multiplexer exports to handle back output simulating signal to audio output terminal by the digital-to-analog code translator on the slot; And
One this digital-to-analog code translator is changed this simulating signal with this digital signal.
2, sound effect processing circuit as claimed in claim 1, wherein this audio is an audio unit of supporting multichannel output specification on this South Bridge chip.
3, sound effect processing circuit as claimed in claim 2, wherein six sound channels output specification is supported in this audio unit.
4, sound effect processing circuit as claimed in claim 2, wherein Eight-channel output specification is supported in this audio unit.
5, sound effect processing circuit as claimed in claim 1, the wherein digital signal of this digital-to-analog code translator decodable code multichannel output specification.
6, sound effect processing circuit as claimed in claim 1, the wherein digital signal of this digital-to-analog code translator decodable code six sound channels output specification.
7, sound effect processing circuit as claimed in claim 1, the wherein digital signal of this digital-to-analog code translator decodable code Eight-channel output specification.
8, sound effect processing circuit as claimed in claim 1, wherein this audio output terminal can be supported the specification of six sound channels output and Eight-channel output simultaneously.
9, a kind of sound effect processing circuit comprises:
Two connecting bus transmit the digital signal that two audio devices are exported respectively;
One multiplexer receives the digital signal of being transmitted by those connecting bus and exports to switch;
One slot receives digital signal that this multiplexer exports to handle back output simulating signal to audio output terminal by the digital-to-analog code translator on this slot; And
One this digital-to-analog code translator is changed this simulating signal with this digital signal.
10, sound effect processing circuit as claimed in claim 9, wherein those audio devices are respectively one first audio unit and the one second audio unit of supporting six sound channels output specification and Eight-channel output specification on this South Bridge chip respectively.
11, sound effect processing circuit as claimed in claim 9, wherein those audio devices are respectively one first audio unit and the one second audio unit of all supporting six sound channels output specification on this South Bridge chip.
12, sound effect processing circuit as claimed in claim 9, the wherein digital signal of this digital-to-analog code translator decodable code multichannel output specification.
13, sound effect processing circuit as claimed in claim 9, the wherein digital signal of this digital-to-analog code translator decodable code Eight-channel output specification.
14, sound effect processing circuit as claimed in claim 9, the wherein digital signal of this digital-to-analog code translator decodable code Eight-channel output specification.
15, sound effect processing circuit as claimed in claim 9, wherein this audio output terminal can be supported the specification of six sound channels output and Eight-channel output simultaneously.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100838458A CN1320443C (en) | 2004-10-20 | 2004-10-20 | Sound effect processing circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100838458A CN1320443C (en) | 2004-10-20 | 2004-10-20 | Sound effect processing circuit |
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| Publication Number | Publication Date |
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| CN1763707A true CN1763707A (en) | 2006-04-26 |
| CN1320443C CN1320443C (en) | 2007-06-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNB2004100838458A Active CN1320443C (en) | 2004-10-20 | 2004-10-20 | Sound effect processing circuit |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101227763B (en) * | 2007-01-15 | 2013-01-23 | 昆山杰得微电子有限公司 | Method and device for processing sound effect |
| CN110085267A (en) * | 2019-04-23 | 2019-08-02 | 晶晨半导体(上海)股份有限公司 | A kind of adjusting circuit making up component variations |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2090078U (en) * | 1991-04-30 | 1991-12-04 | 魏新华 | Indicating apparatus with multiple indication cards |
| CN2363446Y (en) * | 1998-12-10 | 2000-02-09 | 上海凌志计算机***工程有限责任公司 | Top box for television set with digital bidirectional video ordering system and PC function |
| CN1171142C (en) * | 1999-11-15 | 2004-10-13 | 威盛电子股份有限公司 | Programmable tone quality control circuit on mainboard |
| US7065287B1 (en) * | 1999-12-02 | 2006-06-20 | Digital Networks North America, Inc. | Apparatus, method and database for control of audio/video equipment |
| CN1365246A (en) * | 2001-01-17 | 2002-08-21 | 骅讯电子企业股份有限公司 | Four channel artificial signal outputting system and method by two channel sound effect hardware |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101227763B (en) * | 2007-01-15 | 2013-01-23 | 昆山杰得微电子有限公司 | Method and device for processing sound effect |
| CN110085267A (en) * | 2019-04-23 | 2019-08-02 | 晶晨半导体(上海)股份有限公司 | A kind of adjusting circuit making up component variations |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1320443C (en) | 2007-06-06 |
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Owner name: SWIDA VIRGIN CO., LTD., BRITISH VIRGIN ISLANDS Free format text: FORMER OWNER: YULI ELECTRONICS INC. Effective date: 20071130 Owner name: HUIDA COMPANY Free format text: FORMER OWNER: SWIDA VIRGIN CO., LTD., BRITISH VIRGIN ISLANDS Effective date: 20071130 |
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Effective date of registration: 20071130 Address after: California, USA Patentee after: NVIDIA Corp. Address before: Taiwan, China Patentee before: The British Virgin Islands Business Huida Limited by Share Ltd. Viking Effective date of registration: 20071130 Address after: Taiwan, China Patentee after: The British Virgin Islands Business Huida Limited by Share Ltd. Viking Address before: Taiwan, China Patentee before: ULI ELECTRONICS INC. |