CN107257526A - A kind of audio effect processing equipment - Google Patents
A kind of audio effect processing equipment Download PDFInfo
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- CN107257526A CN107257526A CN201710500837.6A CN201710500837A CN107257526A CN 107257526 A CN107257526 A CN 107257526A CN 201710500837 A CN201710500837 A CN 201710500837A CN 107257526 A CN107257526 A CN 107257526A
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- audio
- microprocessor
- input
- sound effect
- tuning
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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
- H04R3/00—Circuits for transducers, loudspeakers or microphones
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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
- H04R2430/00—Signal processing covered by H04R, not provided for in its groups
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- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Stereophonic System (AREA)
Abstract
The invention discloses a kind of audio effect processing equipment, including audio input interface, microprocessor, DSP sound effect processors and audio output interface；The output end of audio input interface and the audio input end of microprocessor are connected, and the coding output end of microprocessor is connected with the audio input end of DSP sound effect processors, and the audio output of DSP sound effect processors and the decoding input of microprocessor are connected；The audio output of microprocessor and the input of audio output interface are connected；Audio input interface is used to connect voice input device；Microprocessor is used to encode the audio signal that audio input interface is inputted, and the audio signal after the processing of DSP sound effect processors is decoded；DSP sound effect processors are used for for the audio signal addition tuning effect after microprocessor is encoded；Audio output interface is used to connect audio output device.The present invention can add tuning effect for the audio signal of input, and circuit structure is simple, compact portable.
Description
Technical field
The present invention relates to signal processing technology field, and in particular to a kind of audio effect processing equipment.
Background technology
As people's living standard is increasingly improved, increasing people starts to focus on entertainment life, various to sing section
The factors such as the popularization that purpose is held, network direct broadcasting and the live birth of mobile phone, mobile phone K are sung, all promote people to audio effect processing
Equipment has higher requirement.
Traditional sound effect device is main to be made up of decoding main board, simulation toning board, effect device etc., and decoding main board is used to realize
Audio decoder, simulation toning board is used to realize reverberation and adjusts the yield value of each frequency band audio signal, and effect device is mainly used for
Add sound effect.However, the decoding main board of traditional sound effect device is complicated, and in the difficulty for realizing segmentation audio regulation
Greatly, the complexity of simulation toning board is increased also with the sectional-regulated of audio.Therefore traditional sound effect device often volume compared with
Greatly, equipment connection is complicated, also there is higher specialty requirement to operating personnel.
The content of the invention
It is an object of the invention to provide a kind of audio effect processing equipment, tuning effect, electricity can be added for the audio signal of input
Line structure is simple, compact portable.
To achieve these goals, the embodiments of the invention provide a kind of audio effect processing equipment, including audio input interface,
Microprocessor, DSP sound effect processors and audio output interface；
The output end of the audio input interface is connected with the audio input end of the microprocessor, the microprocessor
Coding output end be connected with the audio input end of the DSP sound effect processors, the audio output of the DSP sound effect processors and
The decoding input connection of the microprocessor；The input of the audio output of the microprocessor and the audio output interface
End connection；
The audio input interface is used to connect voice input device；
The microprocessor is used to encode the audio signal that the audio input interface is inputted, and to the DSP
Audio signal after sound effect processor processing is decoded；
The DSP sound effect processors are used to be the audio signal addition tuning effect after microprocessor coding；
The audio output interface is used to connect audio output device.
In a kind of optional embodiment, the DSP sound effect processors include reverberation tuning unit, electric tonal sound unit
And become tonal sound unit；
Input, the electric sound of the audio input end of the DSP sound effect processors respectively with the reverberation tuning unit
The input connection of the input of tuning unit and the change tonal sound unit, the audio output of the DSP sound effect processors
Output end, the output end of the electric tonal sound unit and the change tonal sound unit of end respectively with the reverberation tuning unit
Output end connection；
The reverberation tuning unit is used to be the audio signal addition reverberation tuning effect after microprocessor coding
Really；
The electric tonal sound unit is used to be the electric tone audio of audio signal addition after microprocessor coding
Really；
The tonal sound unit that becomes is used to become tonal sound effect into the audio signal addition after microprocessor coding
Really.
In a kind of optional embodiment, the DSP sound effect processors also include scene audio tuning unit and deposited
Storage unit；
The memory cell is connected with the scene audio tuning unit；The input of the scene audio tuning unit with
At the audio input end connection of the DSP sound effect processors, the output end and the DSP audios of the scene audio tuning unit
Manage the audio output connection of device；
The memory cell is used to store default several scenes sound effect parameters, and the scene audio tuning unit is used for root
It is the scene tuning effect that the audio signal addition after microprocessor coding is selected according to the scene sound effect parameters.
In a kind of optional embodiment, the equipment also includes voice input device；The voice input device with
The input connection of the audio input interface, the voice input device is audio connecting cord or headset.
In a kind of optional embodiment, the equipment also includes voice input device；The voice input device with
The input connection of the audio input interface, the voice input device includes audio connecting cord and headset.
In a kind of optional embodiment, the equipment also includes audio output device；The audio output device with
The output end connection of the audio output interface, the audio output device is power amplifier or earphone.
In a kind of optional embodiment, the equipment also includes PMU；The PMU
Output end is connected with the power end of the microprocessor and the power end of the DSP sound effect processors respectively.
In a kind of optional embodiment, the equipment also includes display module；The display module and micro- place
The display output end connection of device is managed, the display module is used for the tuning effect for showing presently described equipment.
In a kind of optional embodiment, the equipment also includes key-press module；The key-press module and micro- place
The tuning control end connection of device is managed, the key-press module is used to input tuning information.
In a kind of optional embodiment, the equipment also includes wireless communication module；The wireless communication module with
The tuning control end connection of the microprocessor, the wireless communication module is used to input tuning letter by way of being wirelessly transferred
Breath.
Compared to prior art, the beneficial effect of the embodiment of the present invention is：The embodiments of the invention provide a kind of audio
Processing equipment, including audio input interface, microprocessor, DSP sound effect processors and audio output interface；The audio input
The output end of interface is connected with the audio input end of the microprocessor, coding output end and the DSP of the microprocessor
The audio input end connection of sound effect processor, the audio output of the DSP sound effect processors and the decoding of the microprocessor
Input is connected；The audio output of the microprocessor is connected with the input of the audio output interface；The audio is defeated
Incoming interface is used to connect voice input device；The microprocessor is used to enter the audio signal that the audio input interface is inputted
Row coding, and the audio signal after DSP sound effect processors processing is decoded；The DSP sound effect processors are used for
Audio signal after microprocessor coding adds tuning effect；The audio output interface is used to connect audio output
Device.The embodiment of the present invention is encoded the audio signal inputted by audio input interface, and passes through DSP sound effect processors
Tuning effect is added to the audio signal after coding, exported after being decoded eventually through microprocessor using audio output interface；Profit
Audio signal addition tuning effect is combined into the codec functions of microprocessor and the internal algorithm of DSP sound effect processors,
Circuit structure is simplified, and because the degree of integration of DSP sound effect processors is high, the volume of product also greatly reduces.
Brief description of the drawings
In order to illustrate more clearly of technical scheme, the required accompanying drawing used in embodiment will be made below
Simply introduce, 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.
Fig. 1 is a kind of structural representation of audio effect processing equipment of the embodiment of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
Referring to Fig. 1, it is a kind of structural representation of audio effect processing equipment of the embodiment of the present invention.The embodiment of the present invention
There is provided a kind of audio effect processing equipment, including audio input interface 1, microprocessor 2, DSP sound effect processors 3 and audio output
Interface 4；
The output end of the audio input interface 1 is connected with the audio input end of the microprocessor 2, the microprocessor
2 coding output end is connected with the audio input end of the DSP sound effect processors 3, and the audio of the DSP sound effect processors 3 is defeated
Go out end to be connected with the decoding input of the microprocessor 2；The audio output of the microprocessor 2 connects with the audio output
The input connection of mouth 4；
The audio input interface 1 is used to connect voice input device 5；
The microprocessor 2 is used to encode the audio signal that the audio input interface 1 is inputted, and to described
Audio signal after the processing of DSP sound effect processors 3 is decoded；
The DSP sound effect processors 3 are used to be the audio signal addition tuning effect after the microprocessor 2 coding
Really；
The audio output interface 4 is used to connect audio output device 6.
The operation principle of the embodiment of the present invention is：Pending audio signal A is inputted by the audio input interface 1,
The microprocessor 2 is encoded the audio signal A inputted by the audio input interface 1, obtains audio signal
C；The DSP sound effect processors 3 are that the audio signal C adds tuning effect, obtain audio signal D；The microprocessor 2 will
Audio signal D decodings after sound effect processor processing, obtain audio signal E and by the audio output port
Output；By above structure, traditional mould is replaced by the combination tuning of the microprocessor 2 and the DSP sound effect processors 3
Intend tuning, simplify circuit.
In a kind of optional embodiment, the DSP sound effect processors 3 include reverberation tuning unit 31, electric tonal sound
Unit 32 and change tonal sound unit 33；
Input, the electricity of the audio input end of the DSP sound effect processors 3 respectively with the reverberation tuning unit 31
The input connection of the input of tonal sound unit 32 and the change tonal sound unit 33, the sound of the DSP sound effect processors 3
Output end, the output end of the electric tonal sound unit 32 and the change of frequency output end respectively with the reverberation tuning unit 31
The output end connection of tonal sound unit 33；
The reverberation tuning unit 31 is used to be the audio signal addition reverberation tuning after the microprocessor 2 coding
Effect；
The electric tonal sound unit 32 is used to be the electric tonal sound of audio signal addition after the microprocessor 2 coding
Effect；
The tonal sound unit 33 that becomes is used to become tonal sound into the audio signal addition after the microprocessor 2 coding
Effect.
When the microprocessor 2 receives the user instruction of user's input, generated according to the user instruction corresponding
Control instruction, controls the DSP sound effect processors 3 by the audio signal transmission received to related tuning unit
Reason, the tuning effect that user selectes is added for the audio signal of input.It should be appreciated that the reverberation tuning unit in the present invention
31st, the electric tonal sound unit 32 and the change tonal sound unit 33 are stored with corresponding sound effect parameters, each tuning unit energy
According to the sound effect parameters corresponding tuning effect is added for the audio signal of input.In embodiments of the present invention, the reverberation
Tuning effect, the electric tonal sound effect, the change tonal sound effect into those skilled in the art common knowledge, such as it is described
Regulating effect of changing voice can become female voice, female voice for male voice and become male voice, chorus and other effects, no longer will repeat one by one herein.
In a kind of optional embodiment, the DSP sound effect processors 3 also include scene audio tuning unit 34 and
Memory cell 35；
The memory cell 35 is connected with the scene audio tuning unit 34；The scene audio tuning unit 34 it is defeated
Enter end be connected with the audio input end of the DSP sound effect processors 3, the output end of the scene audio tuning unit 34 with it is described
The audio output connection of DSP sound effect processors 3；
The memory cell 35 is used to store default several scenes sound effect parameters, and the scene audio tuning unit 34 is used
Imitated in adding selected scene tuning according to the scene sound effect parameters for the audio signal after the microprocessor 2 coding
Really.
Several scenes audio regulating effect is previously provided with the memory cell 35, when user selectes a certain scene audio
During regulating effect, the scene audio tuning unit 34 will send dependent instruction to transfer selected scene audio regulating effect
Parameter, and scene audio is added for the audio signal of input according to the parameter, the selection of scene audio is enriched, user is optimized
Experience.
In a kind of optional embodiment, the equipment also includes voice input device 5；The voice input device 5
It is connected with the input of the audio input interface 1, the voice input device 5 is audio connecting cord or headset.
In another optional embodiment, the equipment also includes voice input device 5；The voice input device
5 are connected with the input of the audio input interface 1, and the voice input device 5 includes audio connecting cord and headset.
The audio connecting cord is used to connect mobile phone or apparatus such as computer with input audio signal, and the headset is used to input
Voice.
In a kind of optional embodiment, the equipment also includes audio output device 6；The audio output device 6
It is connected with the output end of the audio output interface 4, the audio output device 6 is power amplifier or earphone.The audio
Output device 6 is used to play the audio signal for having added tuning effect.
In a kind of optional embodiment, the equipment also includes power management module 7；The power management module 7
Output end be connected respectively with the power end of the microprocessor 2 and the power end of the DSP sound effect processors 3.The power supply
Management module 7 is used to control electricity and power-off on the microprocessor 2 and the DSP sound effect processors 3.
In a kind of optional embodiment, the equipment also includes display module 8；The display module 8 with it is described micro-
The display output end connection of processor 2, the display module 8 is used for the tuning effect for showing presently described equipment.
In a kind of optional embodiment, the equipment also includes key-press module 9；The key-press module 9 with it is described micro-
The tuning control end connection of processor 2, the key-press module 9 is used to input tuning information.Inputted when by the key-press module 9
During related to tuning effect user instruction, the microprocessor 2 generates corresponding control instruction, control according to the user instruction
It is the tuning effect that the audio signal addition user received selectes to make the DSP sound effect processors 3.
In a kind of optional embodiment, the equipment also includes wireless communication module 10；The wireless communication module
10 are connected with the tuning control end of the microprocessor 2, and the wireless communication module 10 is used for defeated by way of being wirelessly transferred
Enter tuning information.It should be appreciated that the wireless communication module 10 can be, but not limited to infrared communication module, bluetooth communication module or
Wifi communication modules.
Compared to prior art, the beneficial effect of the embodiment of the present invention is：The embodiments of the invention provide a kind of audio
Processing equipment, including audio input interface, microprocessor, DSP sound effect processors and audio output interface；The audio input
The output end of interface is connected with the audio input end of the microprocessor, coding output end and the DSP of the microprocessor
The audio input end connection of sound effect processor, the audio output of the DSP sound effect processors and the decoding of the microprocessor
Input is connected；The audio output of the microprocessor is connected with the input of the audio output interface；The audio is defeated
Incoming interface is used to connect voice input device；The microprocessor is used to enter the audio signal that the audio input interface is inputted
Row coding, and the audio signal after DSP sound effect processors processing is decoded；The DSP sound effect processors are used for
Audio signal after microprocessor coding adds tuning effect；The audio output interface is used to connect audio output
Device.The embodiment of the present invention is encoded the audio signal inputted by audio input interface, and passes through DSP sound effect processors
Tuning effect is added to the audio signal after coding, exported after being decoded eventually through microprocessor using audio output interface；Profit
Audio signal addition tuning effect is combined into the codec functions of microprocessor and the internal algorithm of DSP sound effect processors,
Circuit structure is simplified, and because the degree of integration of DSP sound effect processors is high, the volume of product also greatly reduces.
Described above is the preferred embodiment of the present invention, it is noted that for those skilled in the art
For, under the premise without departing from the principles of the invention, some improvements and modifications can also be made, these improvements and modifications are also considered as
Protection scope of the present invention.
Claims (10)
1. a kind of audio effect processing equipment, it is characterised in that including audio input interface, microprocessor, DSP sound effect processors and
Audio output interface；
The output end of the audio input interface is connected with the audio input end of the microprocessor, the coding of the microprocessor
Output end is connected with the audio input end of the DSP sound effect processors, the audio output of the DSP sound effect processors with it is described
The decoding input connection of microprocessor；The input of the audio output of the microprocessor and the audio output interface connects
Connect；
The audio input interface is used to connect voice input device；
The microprocessor is used to encode the audio signal that the audio input interface is inputted, and to the DSP audios
Audio signal after processor processing is decoded；
The DSP sound effect processors are used to be the audio signal addition tuning effect after microprocessor coding；
The audio output interface is used to connect audio output device.
2. a kind of audio effect processing equipment as claimed in claim 1, it is characterised in that the DSP sound effect processors include reverberation
Tuning unit, electric tonal sound unit and change tonal sound unit；
The audio input end of DSP sound effect processors input respectively with the reverberation tuning unit, the electric tonal sound
The input connection of the input of unit and the change tonal sound unit, the audio output point of the DSP sound effect processors
Output end, the output end of the electric tonal sound unit and the change tonal sound unit not with the reverberation tuning unit it is defeated
Go out end connection；
The reverberation tuning unit is used to be the audio signal addition reverberation tuning effect after microprocessor coding；
The electric tonal sound unit is used to be the electric tonal sound effect of audio signal addition after microprocessor coding；
The tonal sound unit that becomes is used to become tonal sound effect into the audio signal addition after microprocessor coding.
3. a kind of audio effect processing equipment as claimed in claim 2, it is characterised in that the DSP sound effect processors also include field
Scape audio tuning unit and memory cell；
The memory cell is connected with the scene audio tuning unit；The input of the scene audio tuning unit with it is described
The audio input end connection of DSP sound effect processors, output end and the DSP sound effect processors of the scene audio tuning unit
Audio output connection；
The memory cell is used to store default several scenes sound effect parameters, and the scene audio tuning unit is used for according to institute
It is the scene tuning effect that the audio signal addition after microprocessor coding is selected to state scene sound effect parameters.
4. a kind of audio effect processing equipment as claimed in claim 1, it is characterised in that the equipment also includes audio input and filled
Put；The voice input device is connected with the input of the audio input interface, and the voice input device connects for audio
Line or headset.
5. a kind of audio effect processing equipment as claimed in claim 1, it is characterised in that the equipment also includes audio input and filled
Put；The voice input device is connected with the input of the audio input interface, and the voice input device connects including audio
Wiring and headset.
6. a kind of audio effect processing equipment as claimed in claim 1, it is characterised in that the equipment also includes audio output and filled
Put；The audio output device is connected with the output end of the audio output interface, and the audio output device is power amplification
Device or earphone.
7. a kind of audio effect processing equipment as claimed in claim 1, it is characterised in that the equipment also includes power management list
Member；The power end and the electricity of the DSP sound effect processors of the output end of the PMU respectively with the microprocessor
Source is connected.
8. a kind of audio effect processing equipment as claimed in claim 1, it is characterised in that the equipment also includes display module；Institute
State display module to be connected with the display output end of the microprocessor, the display module is used for the tune for showing presently described equipment
Audio fruit.
9. a kind of audio effect processing equipment as claimed in claim 1, it is characterised in that the equipment also includes key-press module；Institute
State key-press module to be connected with the tuning control end of the microprocessor, the key-press module is used to input tuning information.
10. a kind of audio effect processing equipment as claimed in claim 1, it is characterised in that the equipment also includes wireless telecommunications mould
Block；The wireless communication module is connected with the tuning control end of the microprocessor, and the wireless communication module is used to pass through nothing
The mode of line transmission inputs tuning information.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710500837.6A CN107257526B (en) | 2017-06-27 | 2017-06-27 | Sound effect processing equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710500837.6A CN107257526B (en) | 2017-06-27 | 2017-06-27 | Sound effect processing equipment |
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| Publication Number | Publication Date |
|---|---|
| CN107257526A true CN107257526A (en) | 2017-10-17 |
| CN107257526B CN107257526B (en) | 2020-08-14 |
Family
ID=60023449
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|---|---|---|---|
| CN201710500837.6A Active CN107257526B (en) | 2017-06-27 | 2017-06-27 | Sound effect processing equipment |
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| CN107257526B (en) | 2020-08-14 |
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