CN101202101A - Digital sound console and power amplifier integrated machine - Google Patents
Digital sound console and power amplifier integrated machine Download PDFInfo
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- CN101202101A CN101202101A CNA2007101570568A CN200710157056A CN101202101A CN 101202101 A CN101202101 A CN 101202101A CN A2007101570568 A CNA2007101570568 A CN A2007101570568A CN 200710157056 A CN200710157056 A CN 200710157056A CN 101202101 A CN101202101 A CN 101202101A
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- 230000001105 regulatory effect Effects 0.000 claims abstract description 12
- 238000006243 chemical reaction Methods 0.000 claims abstract description 10
- 238000012545 processing Methods 0.000 claims description 29
- 230000002093 peripheral effect Effects 0.000 claims description 9
- 239000013307 optical fiber Substances 0.000 claims description 5
- 238000012544 monitoring process Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 9
- 238000004088 simulation Methods 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 3
- 230000005236 sound signal Effects 0.000 description 3
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- 238000003199 nucleic acid amplification method Methods 0.000 description 2
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Abstract
The invention discloses a digital sound mixer and an integrated power amplifier machine. An analog input circuit is electrically connected with a digital audio treatment system through an analog-digital conversion circuit. An analog input regulating circuit is electrically connected with the digital audio treatment system. A digital power amplifying treatment system is arranged at a back end of the digital audio treatment system, and a left track power amplifying output port, a right track power amplifying output port and a monitor track power amplifying output port are arranged at a back end of the digital power amplifying treatment system. The invention has the advantages that the audio frequency with 16 resolution can be generated and the accuracy can reach 1/ 24th power of 2. And the recording effect is excellent and the sound becomes purer. Multimedia port and digital ports are arranged simultaneously to satisfy the present multimedia and digital sound source requirement, etc. and the application scope is greatly enlarged. By adopting the digital mode, the sound mixer can have small volume, light weight and convenient usage and carrying.
Description
Technical field,
The present invention relates to a kind of DAB equipment, especially relate to a kind of digital sound console and power amplifier integrated machine.
Background technology
Existing sound console all is special in simulating source of sound mostly, and its structure comprises analog input circuit, analog input regulating circuit, analogue audio frequency disposal system and analog amplifier treatment circuit.Simulated audio signal enters into the analogue audio frequency disposal system after handling through analog input circuit, simulated audio signal enters into rear end equipment through the analog amplifier treatment circuit then, each parameter that the analog input regulating circuit is regulated input audio signal by the control analog input circuit comprises tone, gain and volume.There is more defective in existing simulation sound console, and one, its degree of accuracy generally has only 1/8000th in Recording Process, can only generate the audio frequency of 12～13.5 of resolution, makes the effect of recording poor.Two, the simulation sound console is subjected to noise easily, and signal to noise ratio (S/N ratio) and dynamic range are difficult to improve.Three, the input interface of simulation sound console is more single, can only receive traditional simulating signal, now along with science and technology development, the appearance of digital tone sources such as CD, MP3, DVD and computer network, the usable range of simulation sound console is very restricted, its four, simulation sound console volume is big, heavy, and carry inconvenience.
Summary of the invention
Technical matters to be solved by this invention provides a kind of resolution height, digital sound console that audio is good and power amplifier integrated machine, can comprise MIC, LINE, SD card, USB flash disk, optical fiber and coaxial for the user provides multiple audio frequency input mode, greatly expand usable range and it is easy to carry.
The present invention solves the problems of the technologies described above the technical scheme that is adopted: a kind of digital sound console and power amplifier integrated machine, comprise analog input circuit, it is characterized in that it also includes digital audio processing system, analog to digital conversion circuit, analog input regulating circuit and digital power amplifier disposal system, described analog input circuit is electrically connected with described digital audio processing system by described analog to digital conversion circuit, described analog input regulating circuit is electrically connected with described digital audio processing system, described digital audio processing system rear end is provided with described digital power amplifier disposal system, and described digital power amplifier disposal system rear end is provided with L channel power amplifier output interface, R channel power amplifier output interface and monitoring sound channel power amplifier output interface.
Described digital audio processing system comprises that model is first chip and the peripheral circuit of ADAU1701, described digital power amplifier disposal system comprises that model is second chip and peripheral circuit and three the 3rd chip, four-core sheet and the 5th chip and peripheral circuits that model is TAS5261 of TAS5504A, the output terminal of described first chip is electrically connected mutually with the input end of described second chip, and the output terminal of described second chip is electrically connected with the input end of described the 3rd chip, the input end of four-core sheet and the input end of the 5th chip respectively.
It also includes the multimedia input circuit, and the output terminal of described multimedia input circuit is electrically connected with the input end of described digital audio processing system, and described multimedia input circuit is provided with multimedia interface.
It also includes the LCD display module, and the output terminal of described digital audio processing system is electrically connected with the input end of described LCD display module.
It also includes digital input/output circuitry, and described digital input/output circuitry is electrically connected mutually with described digital audio processing system, and described digital input/output circuitry is provided with optical fiber or coaxial interface.
Described multimedia interface is memory card interface or network interface or USB interface.
Compared with prior art, the invention has the advantages that and to generate the audio frequency that resolution is 24BIT, its degree of accuracy can reach two 20 biquadratics/one, signal to noise ratio (S/N ratio) and dynamic range height, extraordinary recording effect, eliminate noise more up hill and dale, make sound purer, multimedia interface and digital interface are set simultaneously, can satisfy requirements such as present multimedia and digital tone source, increased usable range widely, owing to adopt digital form, can make this sound console volume little, weight is little, uses easy to carry.
Description of drawings
Fig. 1 is a block diagram of the present invention;
Fig. 2 (a) and Fig. 2 (b) are digital audio processing system circuit theory diagrams of the present invention;
Fig. 3 (a) and Fig. 3 (b) are digital power amplifier disposal system circuit theory diagrams of the present invention;
Fig. 4 (a) and Fig. 4 (b) are analog input circuit schematic diagram of the present invention;
Fig. 5 is an analog input regulating circuit schematic diagram of the present invention;
Fig. 6 is a digital input/output circuitry schematic diagram of the present invention;
Fig. 7 (a) and Fig. 7 (b) are multimedia input circuit schematic diagram of the present invention;
Fig. 8 is an analog to digital conversion circuit schematic diagram of the present invention;
Fig. 9 is LED display module circuit theory diagrams of the present invention.
Embodiment
Embodiment describes in further detail the present invention below in conjunction with accompanying drawing.
1. digital sound console and power amplifier integrated machine, it includes analog input circuit 1, analog to digital conversion circuit 2, analog input regulating circuit 3 and digital audio processing system 4, analog input circuit 1 is electrically connected with digital audio processing system 4 by analog to digital conversion circuit 2, analog input regulating circuit 3 is electrically connected with digital audio processing system 4, digital audio processing system 4 rear ends are provided with digital power amplifier disposal system 5, and digital power amplifier disposal system 5 rear ends are provided with L channel power amplifier output interface 6, R channel power amplifier output interface 7 and monitor sound channel power amplifier output interface 8.
Digital audio processing system 4 comprises that model is first chip X1 and the peripheral circuit of ADAU1701, digital power amplifier disposal system 5 comprises that model is the second chip X2 and peripheral circuit and three the 3rd chip X3, four-core sheet X4 and the 5th chip X5 and peripheral circuits that model is TAS5261 of TAS5504A, the output terminal of the first chip X1 is electrically connected mutually with the input end of the second chip X2, and the output terminal of the second chip X2 is electrically connected with the input end of the 3rd chip X3, the input end of four-core sheet X4 and the input end of the 5th chip X5 respectively.
It includes multimedia input circuit 9, and the output terminal of multimedia input circuit 9 is electrically connected with the input end of digital audio processing system 4, and multimedia input circuit 9 is provided with multimedia interface.
It also includes LCD display module 10, and the output terminal of digital audio processing system 4 is electrically connected with the input end of LCD display module 10.
It also includes digital input/output circuitry 11, and digital input/output circuitry 11 is electrically connected mutually with digital audio processing system 4, and digital input/output circuitry 11 is provided with optical fiber or coaxial interface.
One: the function of each several part circuit module of the present invention is done simple the description:
1. analog input circuit 1 main function is: be that the outside is imported, provide interface circuit as microphone or linearity input, and to signal input carrying out suitable decay or lifting, the assurance late-class circuit can receive abundant and compare " clean " signal.
2. analog to digital conversion circuit 2 major functions: the simulating signal that receives is changed into digital signal, and the sample frequency of digital signal is 48K; Its figure place is 24bit.
3. the major function of analog input regulating circuit 3: regulate the volume and the equilibrium (high pitch, middle pitch, bass) of input signal, here Jun Heng adjusting mainly realizes by digital audio processing system, method by numeral realizes, does not realize by simulated mode.
4. digital input/output circuitry 11 major functions: by optical fiber or coaxial reception and transmission digital signal.
5. multimedia input circuit 9 major functions:, can make their data import digital processing system into for storage card, USB flash disk and network provide interface.
Two: digital processing and display part
1. digital audio processing system 4 unit major functions: to synthetic, the balanced adjusting of multichannel input signal; To USB flash disk, the data of SD card are decoded and are play; Receive network control signal and and carry out control signal, the state of present total system is shown on the LCD module.
2.LCD display module 10: show the current state of total system, make the user to the present case of this product understand perfectly clear;
Three: digital power amplifier disposal system 5 and power amplifier output interface (6,7,8) part
3. the major function of digital power amplifier disposal system 5: mainly be the amplification of digital audio and video signals being carried out power, make the power of every road output reach 300W (4 ohm); The power amplification of this disposal route and original simulation has very big difference.
4. the major function of power amplifier output interface (6,7,8) unit: for power output provides the major function of interface circuit four, total system power supply 12 these parts to provide power supply for total system exactly, because this part adopts the Switching Power Supply design, its major advantage is: its input be wide voltage (90V～265V). because the conversion efficiency of Switching Power Supply has superiority aspect energy-conservation than higher (more than 80%).Its volume is little and in light weight.
Claims (6)
1. digital sound console and power amplifier integrated machine, comprise analog input circuit, it is characterized in that it also includes digital audio processing system, analog to digital conversion circuit, analog input regulating circuit and digital power amplifier disposal system, described analog input circuit is electrically connected with described digital audio processing system by described analog to digital conversion circuit, described analog input regulating circuit is electrically connected with described digital audio processing system, described digital audio processing system rear end is provided with described digital power amplifier disposal system, and described digital power amplifier disposal system rear end is provided with L channel power amplifier output interface, R channel power amplifier output interface and monitoring sound channel power amplifier output interface.
2. a kind of digital sound console according to claim 1 and power amplifier integrated machine, it is characterized in that described digital audio processing system comprises that model is first chip and the peripheral circuit of ADAU1701, described digital power amplifier disposal system comprises that model is second chip and peripheral circuit and three the 3rd chips that model is TAS5261 of TAS5504A, four-core sheet and the 5th chip and peripheral circuit, the output terminal of described first chip is electrically connected mutually with the input end of described second chip, the output terminal of described second chip respectively with the input end of described the 3rd chip, the input end of the input end of four-core sheet and the 5th chip is electrically connected.
3. a kind of digital sound console according to claim 1 and power amplifier integrated machine, it is characterized in that it also includes the multimedia input circuit, the output terminal of described multimedia input circuit is electrically connected with the input end of described digital audio processing system, and described multimedia input circuit is provided with multimedia interface.
4. a kind of digital sound console according to claim 1 and power amplifier integrated machine is characterized in that it also includes the LCD display module, and the output terminal of described digital audio processing system is electrically connected with the input end of described LCD display module.
5. a kind of digital sound console according to claim 1 and power amplifier integrated machine, it is characterized in that it also includes digital input/output circuitry, described digital input/output circuitry is electrically connected mutually with described digital audio processing system, and described digital input/output circuitry is provided with optical fiber or coaxial interface.
6. a kind of digital sound console according to claim 1 and power amplifier integrated machine is characterized in that described multimedia interface is memory card interface or network interface or USB interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007101570568A CN100524509C (en) | 2007-11-27 | 2007-11-27 | Digital sound console and power amplifier integrated machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007101570568A CN100524509C (en) | 2007-11-27 | 2007-11-27 | Digital sound console and power amplifier integrated machine |
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| Publication Number | Publication Date |
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| CN101202101A true CN101202101A (en) | 2008-06-18 |
| CN100524509C CN100524509C (en) | 2009-08-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2007101570568A Expired - Fee Related CN100524509C (en) | 2007-11-27 | 2007-11-27 | Digital sound console and power amplifier integrated machine |
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| CN (1) | CN100524509C (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101883212A (en) * | 2010-06-26 | 2010-11-10 | 大连捷成实业发展有限公司 | Listening and monitoring system for audio signals and working method thereof |
| CN102740192A (en) * | 2012-05-18 | 2012-10-17 | 宁波市鄞州奥创电子有限公司 | Multifunctional microphone amplifier |
| CN104270696A (en) * | 2014-06-06 | 2015-01-07 | 深圳市实益达科技股份有限公司 | Broadcasting power-amplification sound system based on 4K Blu-ray player |
| CN104639272A (en) * | 2013-11-12 | 2015-05-20 | 博兴电子（恩平）有限公司 | Tuning console |
| CN105280052A (en) * | 2014-06-24 | 2016-01-27 | 钟志杰 | Digital music piano room |
| CN106714036A (en) * | 2016-12-15 | 2017-05-24 | 成都航天通信设备有限责任公司 | Digital communication controller and control method |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4912424A (en) * | 1989-06-12 | 1990-03-27 | Ford Motor Company | Audio amplifier with voltage limiting |
| CN2149739Y (en) * | 1992-12-14 | 1993-12-15 | 陶波 | Digital type arrangement for correcting frequency response |
| JP3804824B2 (en) * | 2001-09-19 | 2006-08-02 | ヤマハ株式会社 | Digital mixer |
| US7350156B2 (en) * | 2001-09-21 | 2008-03-25 | Yamaha Corporation | Audio signal editing apparatus and control method therefor |
-
2007
- 2007-11-27 CN CNB2007101570568A patent/CN100524509C/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101883212A (en) * | 2010-06-26 | 2010-11-10 | 大连捷成实业发展有限公司 | Listening and monitoring system for audio signals and working method thereof |
| CN102740192A (en) * | 2012-05-18 | 2012-10-17 | 宁波市鄞州奥创电子有限公司 | Multifunctional microphone amplifier |
| CN102740192B (en) * | 2012-05-18 | 2015-04-01 | 宁波市鄞州奥创电子有限公司 | Multifunctional microphone amplifier |
| CN104639272A (en) * | 2013-11-12 | 2015-05-20 | 博兴电子（恩平）有限公司 | Tuning console |
| CN104639272B (en) * | 2013-11-12 | 2018-06-08 | 博兴电子（恩平）有限公司 | Sound console |
| CN104270696A (en) * | 2014-06-06 | 2015-01-07 | 深圳市实益达科技股份有限公司 | Broadcasting power-amplification sound system based on 4K Blu-ray player |
| CN105280052A (en) * | 2014-06-24 | 2016-01-27 | 钟志杰 | Digital music piano room |
| CN106714036A (en) * | 2016-12-15 | 2017-05-24 | 成都航天通信设备有限责任公司 | Digital communication controller and control method |
| CN106714036B (en) * | 2016-12-15 | 2019-06-18 | 成都航天通信设备有限责任公司 | A kind of digital communication control method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100524509C (en) | 2009-08-05 |
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Owner name: NINGBO SOUNDKING ELECTRONIC CO., LTD. Free format text: FORMER OWNER: WANG XIANGGUI Effective date: 20120109 |
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| TR01 | Transfer of patent right |
Effective date of registration: 20120109 Address after: 315104 Ningbo Yinzhou investment Pioneering Center integrity road 818 Patentee after: Ningbo Soundking Electronic Co., Ltd. Address before: 315104 Yinzhou investment and entrepreneurship center, Ningbo, road, No. 818 Patentee before: Wang Xianggui |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090805 Termination date: 20141127 |
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