CN107071632A - A kind of voice audio amplifier - Google Patents
A kind of voice audio amplifier Download PDFInfo
- Publication number
- CN107071632A CN107071632A CN201710456650.0A CN201710456650A CN107071632A CN 107071632 A CN107071632 A CN 107071632A CN 201710456650 A CN201710456650 A CN 201710456650A CN 107071632 A CN107071632 A CN 107071632A
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- audio amplifier
- voice audio
- voice
- signal
- processing unit
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- 238000012545 processing Methods 0.000 claims abstract description 23
- 238000000034 method Methods 0.000 claims description 8
- 230000008569 process Effects 0.000 claims description 8
- 238000006243 chemical reaction Methods 0.000 claims description 7
- 239000013307 optical fiber Substances 0.000 claims description 3
- 238000005070 sampling Methods 0.000 claims description 3
- 230000008901 benefit Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 230000006870 function Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000011295 pitch Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 229910001786 variscite Inorganic materials 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R3/00—Circuits for transducers, loudspeakers or microphones
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2430/00—Signal processing covered by H04R, not provided for in its groups
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Amplifiers (AREA)
Abstract
The invention provides a kind of voice audio amplifier face, its control is more convenient.A kind of voice audio amplifier, including：Signal input unit, for obtaining audio-source；Processing unit, for receiving the audio-source and being converted to audio input signal；Power amplifier, for driving phonation unit sounding according to the audio input signal；Power supply, for providing power supply；The voice audio amplifier also includes：Voice-input unit, the phonetic order for receiving user's input；Described control unit, control signal is sent for receiving the phonetic order, and according to the phonetic order to the processing unit；The processing unit, is additionally operable to that the audio-source is converted into the audio input signal according to the control signal and sends to the power amplifier.
Description
Technical field
The present invention relates to voice audio amplifier field, more particularly to a kind of voice audio amplifier for being easy to control.
Background technology
With the development of science and technology, the improvement of people's living standards, requirement more and more higher of the people to cultural life, amusement
Leisure is increasingly paid attention to by society, brings many business opportunities, home entertainment system is also received by many families.Now
Domestic loudspeaker box control operation on the market is most or is realized by the function button on guidance panel, uses very
It is inconvenient, although the audio amplifier with distant control function can solve the problem that this problem, but can also run into the remote control very time sometimes uses
Cause remote control bad or situation of the battery without electricity, be thus not easy to our operation.
The content of the invention
In view of the above-mentioned problems, the present invention provides a kind of voice audio amplifier face, its control is more convenient.
To reach above-mentioned purpose, the present invention is adopted the following technical scheme that：
A kind of voice audio amplifier, including：
Signal input unit, for obtaining audio-source；
Processing unit, for receiving the audio-source and being converted to audio input signal；
Power amplifier, for driving phonation unit sounding according to the audio input signal；
Power supply, for providing power supply；
The voice audio amplifier also includes：
Voice-input unit, the phonetic order for receiving user's input；
Described control unit, control is sent for receiving the phonetic order, and according to the phonetic order to the processing unit
Signal processed；
The processing unit, is additionally operable to that the audio-source is converted into the audio input signal according to the control signal
And send to the power amplifier.
Preferably, described control unit and speech recognition Cloud Server are communicated, and the speech recognition Cloud Server is deposited
Contain the phonetic order and the corresponding relation of control instruction；
Described control unit, is additionally operable to ask the control corresponding with the phonetic order to refer to the speech recognition Cloud Server
Order, and the control signal is sent to the processing unit according to the control instruction.
It is highly preferred that described control unit is communicated by mobile terminal with the speech recognition Cloud Server.
Preferably, described control unit includes MCU.
It is highly preferred that the MCU is mutually electrically connected with the processing unit.
Preferably, the signal input unit includes RCA, and earphone, optical fiber, coaxial numeral input, bluetooth module flows matchmaker
One or more in body, microphone.
Preferably, the processing unit includes DSP process chips, located at the signal input unit and the DSP processing
Sample rate conversion chip between chip.
It is highly preferred that the sample rate conversion chip, the IIS standards for the audio-source to be converted to 48KHZ samplings
Signal.
It is highly preferred that the power supply uses Switching Power Supply, the Switching Power Supply includes power tube TOP258EN.
Preferably, the power amplifier has 6 sound channels.
The present invention uses above scheme, has the following advantages that compared with prior art：
Phonetic order can be received, user can be controlled by voice to audio amplifier, controlled more convenient, flexible.
Brief description of the drawings
In order to illustrate more clearly of technical scheme, the accompanying drawing used required in being described below to embodiment
It is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the present invention, general for this area
For logical technical staff, on the premise of not paying creative work, other accompanying drawings can also be obtained according to these accompanying drawings.
Accompanying drawing 1 shows a kind of block diagram of voice audio amplifier of the present invention.
Embodiment
Presently preferred embodiments of the present invention is described in detail below in conjunction with the accompanying drawings, so that advantages and features of the invention energy
It is easier to be understood by the person skilled in the art.Herein it should be noted that the explanation for these embodiments is used to help
Understand the present invention, but do not constitute limitation of the invention.In addition, involved in each embodiment of invention described below
As long as and to technical characteristic do not constitute each other conflict can just be combined with each other.
The present embodiment provides a kind of voice audio amplifier, and it can be controlled by mobile terminal etc. so that control is more square
Just.Referring to the drawings shown in 1, a kind of voice audio amplifier, including：
Signal input unit 1, for obtaining audio-source, including RCA, earphone, optical fiber, coaxial numeral input, bluetooth module flows matchmaker
Body, microphone；
Processing unit, for receiving the audio-source and being converted to audio input signal；
Power amplifier 5, for driving phonation unit according to the audio input signal（Such as, loudspeaker）Sounding；
Power supply 6, for providing power supply 6；
The voice audio amplifier also includes：
Voice-input unit 7, the phonetic order for receiving user's input；
Described control unit, control is sent for receiving the phonetic order, and according to the phonetic order to the processing unit
Signal processed；
The processing unit, is additionally operable to that the audio-source is converted into the audio input signal according to the control signal
And send to the power amplifier 5.
Described control unit and speech recognition Cloud Server are communicated, and the speech recognition Cloud Server is stored with described
The corresponding relation of phonetic order and control instruction；
Described control unit, is additionally operable to ask the control corresponding with the phonetic order to refer to the speech recognition Cloud Server
Order, and the control signal is sent to the processing unit according to the control instruction.
Described control unit is communicated by mobile terminal with the speech recognition Cloud Server.Mobile terminal selects intelligence
Energy mobile phone, the interconnection and communication of voice audio amplifier and speech recognition Cloud Server are realized by the APP on smart mobile phone.
Described control unit includes MCU 4, the specific i.MX6 UltraLight 696 using Variscite companies
MHz ARM Cortex-A7 multipurpose processor from NXP/Freescale, its disposal ability is complete
Speech processes when full up full.MCU 4 is mutually electrically connected with the processing unit.
The processing unit includes DSP process chips 3, located at the signal input unit 1 and the DSP process chips 3
Between sample rate conversion chip 2.MCU 4 is specifically mutually electrically connected with DSP process chips 3.Wherein, sample rate conversion chip, is used for
The phonetic order of the audio-source and input is converted to the IIS standard signals of 48KHZ samplings, it is specific to be adopted using CS8422
Sample rate conversion chip；DSP process chips 3, using STA311B MULTICHANNEL FFX.
Power supply 6 uses Switching Power Supply 6, is that other each units are powered.The Switching Power Supply 6 includes power tube TOP258EN
70W, Width funtion input 85-265V.
Power amplifier 5 can export most 12 roads pwm signal using the STA510F CLSS-D classes power amplifier 5 of ST companies, the present invention
6 tunnels i.e. 6 sound channels are exported, are 2 road high pitchs, 2 road middle pitches, 2 road basses respectively.
Above-mentioned voice audio amplifier has the following advantages that：First, power supply 6 employs Switching Power Supply 6, is ensureing the quality of power supply 6
On the premise of effectively reduce volume.Secondly, the part of power amplifier 5 uses the chip of digital power amplifier 5（DSP process chips 3）, carry significantly
High efficiency, reduces the caloric value of power amplifier 5, this power amplifier 5 can further be reduced with Intellisense voice signal and automatic switching
Energy waste, has reached energy-conserving and environment-protective requirement.Then, by smart mobile phone the APP supporting with supplier can be coordinated to be controlled, grasped
Make convenient and swift.Finally, 6 sound channels are increased to by original vertical sound of stopping, On-site Experience is more preferable.
In addition, technology of Internet of things has been incorporated again, with speech recognition Cloud Server as high in the clouds, using Amazon Alexa
Skills Kits are developed, and Alexa can receive voice command, Alexa as the voice-input unit 7 of built in sound box by it
Advantage be that, based on high in the clouds, therefore it can be improved at any time, user can be interacted with most natural language with power amplifier 5, greatly
It is convenient for users to use.
The above embodiments merely illustrate the technical concept and features of the present invention, is a kind of preferred embodiment, and its purpose exists
It can understand present disclosure in person skilled in the art and implement according to this, the protection of the present invention can not be limited with this
Scope.It is all according to the equivalent transformation made of Spirit Essence of the present invention or modification, should all cover protection scope of the present invention it
It is interior.
Claims (10)
1. a kind of voice audio amplifier, including：
Signal input unit, for obtaining audio-source；
Processing unit, for receiving the audio-source and being converted to audio input signal；
Power amplifier, for driving phonation unit sounding according to the audio input signal；
Power supply, for providing power supply；
Characterized in that, the voice audio amplifier also includes：
Voice-input unit, the phonetic order for receiving user's input；
Described control unit, control is sent for receiving the phonetic order, and according to the phonetic order to the processing unit
Signal processed；
The processing unit, is additionally operable to that the audio-source is converted into the audio input signal according to the control signal
And send to the power amplifier.
2. voice audio amplifier according to claim 1, it is characterised in that described control unit and speech recognition Cloud Server are mutual
Communicate, the speech recognition Cloud Server is stored with the phonetic order and the corresponding relation of control instruction；
Described control unit, is additionally operable to ask the control corresponding with the phonetic order to refer to the speech recognition Cloud Server
Order, and the control signal is sent to the processing unit according to the control instruction.
3. voice audio amplifier according to claim 2, it is characterised in that described control unit passes through mobile terminal and institute's predicate
Sound identification Cloud Server is communicated.
4. the voice audio amplifier according to claim any one of 1-3, it is characterised in that described control unit includes MCU.
5. voice audio amplifier according to claim 4, it is characterised in that the MCU is mutually electrically connected with the processing unit.
6. the voice audio amplifier according to claim any one of 1-3, it is characterised in that the signal input unit includes RCA,
One or more in earphone, optical fiber, coaxial numeral input, bluetooth module, Streaming Media, microphone.
7. the voice audio amplifier according to claim any one of 1-3, it is characterised in that the processing unit includes DSP processing
Chip, the sample rate conversion chip between the signal input unit and the DSP process chips.
8. voice audio amplifier according to claim 7, it is characterised in that the sample rate conversion chip, for by the sound
Frequency source is converted to the IIS standard signals of 48KHZ samplings.
9. the voice audio amplifier according to claim any one of 1-3, it is characterised in that the power supply uses Switching Power Supply, institute
Stating Switching Power Supply includes power tube TOP258EN.
10. the voice audio amplifier according to claim any one of 1-3, it is characterised in that the power amplifier has 6 sound channels.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710456650.0A CN107071632A (en) | 2017-06-16 | 2017-06-16 | A kind of voice audio amplifier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710456650.0A CN107071632A (en) | 2017-06-16 | 2017-06-16 | A kind of voice audio amplifier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107071632A true CN107071632A (en) | 2017-08-18 |
Family
ID=59594572
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710456650.0A Pending CN107071632A (en) | 2017-06-16 | 2017-06-16 | A kind of voice audio amplifier |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107071632A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107635178A (en) * | 2017-11-13 | 2018-01-26 | 广州国光音频科技有限公司 | A trolley speaker with voice recognition function |
| CN107948828A (en) * | 2017-12-25 | 2018-04-20 | 广州市尊浪电器有限公司 | A kind of speaker with wireless open function |
| CN108665899A (en) * | 2018-04-25 | 2018-10-16 | 广东思派康电子科技有限公司 | A voice interaction system and voice interaction method |
| CN114020084A (en) * | 2021-11-03 | 2022-02-08 | 科大讯飞股份有限公司 | Voltage regulation system for power amplifier equipment and vehicle comprising same |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100166194A1 (en) * | 2008-12-26 | 2010-07-01 | Wistron Corp. | Apparatus and method for processing audio |
| CN205004033U (en) * | 2015-09-10 | 2016-01-27 | 微鲸科技有限公司 | Cloud intelligence speech recognition PA -system |
| CN205829977U (en) * | 2016-05-31 | 2016-12-21 | 北京语智科技有限公司 | A kind of wireless speech dialogue being applicable to tradition sound equipment and control device |
| US20170142533A1 (en) * | 2015-11-18 | 2017-05-18 | Samsung Electronics Co., Ltd. | Audio apparatus adaptable to user position |
-
2017
- 2017-06-16 CN CN201710456650.0A patent/CN107071632A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100166194A1 (en) * | 2008-12-26 | 2010-07-01 | Wistron Corp. | Apparatus and method for processing audio |
| CN205004033U (en) * | 2015-09-10 | 2016-01-27 | 微鲸科技有限公司 | Cloud intelligence speech recognition PA -system |
| US20170142533A1 (en) * | 2015-11-18 | 2017-05-18 | Samsung Electronics Co., Ltd. | Audio apparatus adaptable to user position |
| CN205829977U (en) * | 2016-05-31 | 2016-12-21 | 北京语智科技有限公司 | A kind of wireless speech dialogue being applicable to tradition sound equipment and control device |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107635178A (en) * | 2017-11-13 | 2018-01-26 | 广州国光音频科技有限公司 | A trolley speaker with voice recognition function |
| CN107948828A (en) * | 2017-12-25 | 2018-04-20 | 广州市尊浪电器有限公司 | A kind of speaker with wireless open function |
| CN108665899A (en) * | 2018-04-25 | 2018-10-16 | 广东思派康电子科技有限公司 | A voice interaction system and voice interaction method |
| CN114020084A (en) * | 2021-11-03 | 2022-02-08 | 科大讯飞股份有限公司 | Voltage regulation system for power amplifier equipment and vehicle comprising same |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170818 |
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| RJ01 | Rejection of invention patent application after publication |