CN207625776U - A kind of apparatus for processing audio - Google Patents
A kind of apparatus for processing audio Download PDFInfo
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- CN207625776U CN207625776U CN201721873873.9U CN201721873873U CN207625776U CN 207625776 U CN207625776 U CN 207625776U CN 201721873873 U CN201721873873 U CN 201721873873U CN 207625776 U CN207625776 U CN 207625776U
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Abstract
The utility model discloses a kind of apparatus for processing audio, including signal input module, volume adjusting module, analog-to-digital conversion module, Dante audio-frequency modules, network chip, DSP audio processor, D/A converter module and signal output module；The input terminal of signal input module and volume adjusting module connects, and the output end of volume adjusting module and the input terminal of analog-to-digital conversion module connect；The output end of analog-to-digital conversion module is connect with the audio signal input end of Dante audio-frequency modules, and the signal transmission end of Dante audio-frequency modules and the signal transmission end of network chip connect；The audio signal output end of Dante audio-frequency modules is connect with the input terminal of DSP audio processor, and the output end of DSP audio processor and the input terminal of D/A converter module connect；The output end of D/A converter module is connect with signal output module.Through the above structure, the utility model can be connected up by audio frequency output channel output multi-channel output signal all the way so as to simplify device, cost-effective.
Description
Technical field
The utility model is related to audio signal processing technique fields, and in particular to a kind of apparatus for processing audio.
Background technology
Existing multipath input audio processing equipment, the signal per the input of audio input channel all the way are corresponding after amplification
It is transferred to volume electronic switch, volume electronic switch is controlled by MCU (Microcontroller Unit, micro-control unit),
And transmit a signal to audio frequency output channel all the way；Due to audio input channel with audio frequency output channel be it is one-to-one, because
This accordingly needs MCVF multichannel voice frequency output channel to carry out audio output when there is MCVF multichannel voice frequency input channel input audio signal.
Thus, audio input channel is more, and audio frequency output channel also increases therewith so that engineering wiring is complicated cumbersome.
Utility model content
Technical problem to be solved by the utility model is to provide a kind of apparatus for processing audio, can pass through audio all the way
Output channel output multi-channel output signal, so as to simplify device wiring, it is cost-effective.
In order to solve the above-mentioned technical problem, the utility model embodiment adopts the following technical scheme that：It provides at a kind of audio
Manage device, including signal input module, volume adjusting module, analog-to-digital conversion module, Dante audio-frequency modules, network chip, DSP
Audio processor, D/A converter module and signal output module；
The signal input module is connect with the input terminal of the volume adjusting module, the output of the volume adjusting module
End is connect with the input terminal of the analog-to-digital conversion module；The output end of the analog-to-digital conversion module and the Dante audio-frequency modules
Audio signal input end connection, the signal transmission end of the Dante audio-frequency modules and the signal transmission end of the network chip
Connection；The audio signal output end of the Dante audio-frequency modules is connect with the input terminal of the DSP audio processor, the DSP
The output end of audio processor is connect with the input terminal of the D/A converter module；The output end of the D/A converter module and institute
State signal output module connection.
In a kind of optional embodiment, described device further includes control module；First control of the control module
End is connect with the control signal input of the DSP audio processor.
In a kind of optional embodiment, the control module also has the second control terminal；The of the control module
Two control terminals are connect with the control signal input of the Dante audio-frequency modules.
In a kind of optional embodiment, described device further includes that the first balance/unbalance conversion module and second are flat
Weigh non-equilibrium conversion module；
The signal input module is connect with the input terminal of the volume adjusting module, specially：The signal inputs mould
Block is connect with the balanced signal input terminal of the first balance/unbalance conversion module, the first balance/unbalance conversion module
Non-equilibrium signal output end connect with the input terminal of the volume adjusting module；
The output end of the volume adjusting module is connect with the input terminal of the analog-to-digital conversion module, specially：The sound
The output end of amount adjustment module is connect with the non-equilibrium signal input terminal of the second balance/unbalance conversion module, and described second
The balanced signal output end of balance/unbalance conversion module is connect with the input terminal of the analog-to-digital conversion module.
In a kind of optional embodiment, described device further includes third balance/unbalance conversion module；
The output end of the D/A converter module is connect with the signal output module, specially：The digital-to-analogue conversion mould
The output end of block is connect with the non-equilibrium signal input terminal of the third balance/unbalance conversion module, and the third balance is non-flat
The balanced signal output end of weighing apparatus conversion module is connect with the signal output module.
In a kind of optional embodiment, the signal input module is 16 channel audio input modules.
In a kind of optional embodiment, the network chip is 88E6350 chips.
In a kind of optional embodiment, the model ADAU1446 of the DSP audio processor.
Compared with the prior art, the advantageous effect of the utility model embodiment is：The utility model embodiment provides one
Kind apparatus for processing audio, including signal input module, volume adjusting module, analog-to-digital conversion module, Dante audio-frequency modules, network
Chip, DSP audio processor, D/A converter module and signal output module；The signal input module and the volume tune
The input terminal connection of module is saved, the output end of the volume adjusting module is connect with the input terminal of the analog-to-digital conversion module；Institute
The output end for stating analog-to-digital conversion module is connect with the audio signal input end of the Dante audio-frequency modules, the Dante audios mould
The signal transmission end of block is connect with the signal transmission end of the network chip；The audio signal of the Dante audio-frequency modules exports
End is connect with the input terminal of the DSP audio processor, output end and the D/A converter module of the DSP audio processor
Input terminal connection；The output end of the D/A converter module is connect with the signal output module.Through the above structure, this reality
The transmission to audio signal can be realized by the Dante audio-frequency modules and the network chip with novel apparatus for processing audio
And reception, and the signal to receiving carries out stereo process by the DSP audio processor, makes by the DSP audios
Managing device, treated that multipath audio signal can export by audio frequency output channel all the way, is connected up with simplifying device, cost-effective.
Description of the drawings
Fig. 1 is a kind of structural schematic diagram of apparatus for processing audio of the utility model embodiment.
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without creative efforts
The every other embodiment obtained, shall fall within the protection scope of the present invention.
Referring to Fig. 1, it is a kind of structural schematic diagram for apparatus for processing audio that the utility model embodiment provides.It is described
Apparatus for processing audio includes signal input module 1, volume adjusting module 2, analog-to-digital conversion module 3, Dante audio-frequency modules 4, network
Chip 5, DSP audio processor 6, D/A converter module 7 and signal output module 8；
The signal input module 1 is connect with the input terminal of the volume adjusting module 2, the volume adjusting module 2
Output end is connect with the input terminal of the analog-to-digital conversion module 3；The output end of the analog-to-digital conversion module 3 and the Dante sounds
The audio signal input end of frequency module 4 connects, the letter at the signal transmission end and the network chip 5 of the Dante audio-frequency modules 4
The connection of number transmission end；The audio signal output end of the Dante audio-frequency modules 4 and the input terminal of the DSP audio processor 6 connect
It connects, the output end of the DSP audio processor 6 is connect with the input terminal of the D/A converter module 7；The D/A converter module
7 output end is connect with the signal output module 8.
The operation principle of the utility model embodiment is：
The signal input module 1 is used to receive the analog audio signal of input, and the analog audio signal is transmitted
To the volume adjusting module 2；The volume adjusting module 2 carries out volume adjustment for that will receive the analog audio signal,
And the analog audio signal after adjusting is transmitted to the analog-to-digital conversion module 3；The analog-to-digital conversion module 3 will be for after adjusting
Analog audio signal be converted to digital audio and video signals, and the digital audio and video signals are transmitted to the Dante audio-frequency modules 4
It is handled；Through treated the audio signal of the Dante audio-frequency modules 4 by the network chip 5 with Dante transport protocols
It is sent to other devices；The Dante audio-frequency modules 4 receive the digital audio that other devices are sent by the network chip 5
Signal, and the digital audio and video signals are transmitted to the DSP audio processor 6, the DSP audio processor 6 is to receiving
The digital audio and video signals carry out audio signal matrix disposal, multistage well-balanced adjustment and stereo process, make the DSP audios
The digital audio and video signals that processor 6 receives are exported by output channel all the way to the D/A converter module 7, described to pass through
Digital audio and video signals are converted to analog audio signal by D/A converter module 7, and are exported by the signal output module 8；By
Stereo process has been carried out to the audio signal of multichannel in the DSP audio processor 6, thus can have been exported by output channel all the way
Multipath audio signal simplifies the wiring of device, has saved cost.
Transmit audio signal by Dante transport protocols, can realize audio signal without compression, lossless, no-delay biography
Defeated, the utility model embodiment passes sequentially through institute by 1 input audio signal of the signal input module, the audio signal of input
It states volume adjusting module 2, the analog-to-digital conversion module 3, the Dante audio-frequency modules 4, the network chip 5 and is sent to other
Device audio signal and is played with being received by other devices so that the utility model embodiment can expansion capability it is stronger, more
Distributed place can be achieved.6 integrated level of DSP audio processor is high, and wiring is simple.
In a kind of optional embodiment, described device further includes control module 9；First control of the control module 9
End processed is connect with the control signal input of the DSP audio processor 6.The control module 9 passes through first control terminal
The DSP audio processor 6 is controlled, the DSP audio processor 6 is controlled and the digital audio and video signals received is carried out
Matrix disposal, multistage well-balanced adjustment and the stereo process of audio signal.
In a kind of optional embodiment, the control module 9 also has the second control terminal；The control module 9
Second control terminal is connect with the control signal input of the Dante audio-frequency modules 4.The control module 9 passes through described second
Control terminal controls the Dante audio-frequency modules 4 and works.
In a kind of optional embodiment, described device further includes the first balance/unbalance conversion module 10 and second
Balance/unbalance conversion module 11；
The signal input module 1 is connect with the input terminal of the volume adjusting module 2, specially：The signal input
Module 1 is connect with the balanced signal input terminal of the first balance/unbalance conversion module 10, and first balance/unbalance turns
The non-equilibrium signal output end of mold changing block 10 is connect with the input terminal of the volume adjusting module 2；
The output end of the volume adjusting module 2 is connect with the input terminal of the analog-to-digital conversion module 3, specially：It is described
The output end of volume adjusting module 2 is connect with the non-equilibrium signal input terminal of the second balance/unbalance conversion module 11, institute
The balanced signal output end for stating the second balance/unbalance conversion module 11 is connect with the input terminal of the analog-to-digital conversion module 3.
The first balance/unbalance conversion module 10 is converted to the input signal of the signal input module 1 non-equilibrium
Audio signal, the volume adjusting module 2 carry out volume adjustment to non-equilibrium audio signal；Pass through second balance/unbalance
Non-equilibrium audio signal after volume adjustment is converted to Balanced Audio signal by conversion module 11, and by the Balanced Audio
Signal transmission is to the analog-to-digital conversion module 3.By the volume adjusting module 2 setting two balance/unbalance conversion modules it
Between, so that the volume adjusting module 2 is realized and volume adjustment is carried out to non-equilibrium audio signal, due to the volume adjusting module 2
It is to carry out volume adjustment for non-equilibrium audio signal, thus it is at low cost.
In a kind of optional embodiment, described device further includes third balance/unbalance conversion module 12；
The output end of the D/A converter module 7 is connect with the signal output module 8, specially：The digital-to-analogue conversion
The output end of module 7 is connect with the non-equilibrium signal input terminal of the third balance/unbalance conversion module 12, and the third is flat
The balanced signal output end of non-equilibrium conversion module 12 of weighing is connect with the signal output module 8.
The third balance/unbalance conversion module 12 receives the digital audio and video signals of the transmission of the D/A converter module 7,
And the digital audio and video signals are converted into Balanced Audio signal.
In view of audio signal connecting line in practical applications can be longer, thus the utility model embodiment is defeated using balancing
Enter the mode with Differential Output, reduce noise of the audio signal when audio signal connecting line transmits, improves the anti-of audio signal
Interference performance.
In a kind of optional embodiment, the signal input module 1 is 16 channel audio input modules.
In a kind of optional embodiment, the network chip 5 is 88E6350 chips.
In a kind of optional embodiment, the model ADAU1446 of the DSP audio processor 6.
Compared with the prior art, the advantageous effect of the utility model embodiment is：The utility model embodiment provides one
Kind apparatus for processing audio, including signal input module, volume adjusting module, analog-to-digital conversion module, Dante audio-frequency modules, network
Chip, DSP audio processor, D/A converter module and signal output module；The signal input module and the volume tune
The input terminal connection of module is saved, the output end of the volume adjusting module is connect with the input terminal of the analog-to-digital conversion module；Institute
The output end for stating analog-to-digital conversion module is connect with the audio signal input end of the Dante audio-frequency modules, the Dante audios mould
The signal transmission end of block is connect with the signal transmission end of the network chip；The audio signal of the Dante audio-frequency modules exports
End is connect with the input terminal of the DSP audio processor, output end and the D/A converter module of the DSP audio processor
Input terminal connection；The output end of the D/A converter module is connect with the signal output module.Through the above structure, this reality
The transmission to audio signal can be realized by the Dante audio-frequency modules and the network chip with novel apparatus for processing audio
And reception, and the signal to receiving carries out stereo process by the DSP audio processor, makes by the DSP audios
Managing device, treated that multipath audio signal can export by audio frequency output channel all the way, is connected up with simplifying device, cost-effective.
The above is preferred embodiments of the present invention, it is noted that for the ordinary skill of the art
For personnel, without departing from the principle of this utility model, several improvements and modifications can also be made, these are improved and profit
Decorations are also considered as the scope of protection of the utility model.
Claims (8)
1. a kind of apparatus for processing audio, which is characterized in that including signal input module, volume adjusting module, analog-to-digital conversion module,
Dante audio-frequency modules, network chip, DSP audio processor, D/A converter module and signal output module；
The signal input module is connect with the input terminal of the volume adjusting module, the output end of the volume adjusting module with
The input terminal of the analog-to-digital conversion module connects；The sound of the output end of the analog-to-digital conversion module and the Dante audio-frequency modules
Frequency signal input part connects, and the signal transmission end of the Dante audio-frequency modules is connect with the signal transmission end of the network chip；
The audio signal output end of the Dante audio-frequency modules is connect with the input terminal of the DSP audio processor, the DSP audios
The output end of processor is connect with the input terminal of the D/A converter module；The output end of the D/A converter module and the letter
The connection of number output module.
2. apparatus for processing audio as described in claim 1, which is characterized in that described device further includes control module；The control
First control terminal of molding block is connect with the control signal input of the DSP audio processor.
3. apparatus for processing audio as claimed in claim 2, which is characterized in that the control module also has the second control terminal；
Second control terminal of the control module is connect with the control signal input of the Dante audio-frequency modules.
4. apparatus for processing audio as described in claim 1, which is characterized in that described device further includes that the first balance/unbalance turns
Change the mold block and the second balance/unbalance conversion module；
The signal input module is connect with the input terminal of the volume adjusting module, specially：The signal input module with
The balanced signal input terminal of the first balance/unbalance conversion module connects, the first balance/unbalance conversion module it is non-
Balanced signal output end is connect with the input terminal of the volume adjusting module；
The output end of the volume adjusting module is connect with the input terminal of the analog-to-digital conversion module, specially：The volume tune
The output end of section module is connect with the non-equilibrium signal input terminal of the second balance/unbalance conversion module, second balance
The balanced signal output end of non-equilibrium conversion module is connect with the input terminal of the analog-to-digital conversion module.
5. apparatus for processing audio as described in claim 1, which is characterized in that described device further includes that third balance/unbalance turns
Change the mold block；
The output end of the D/A converter module is connect with the signal output module, specially：The D/A converter module
Output end is connect with the non-equilibrium signal input terminal of the third balance/unbalance conversion module, and the third balance/unbalance turns
The balanced signal output end of mold changing block is connect with the signal output module.
6. apparatus for processing audio as described in claim 1, which is characterized in that the signal input module is that 16 channel audios are defeated
Enter module.
7. apparatus for processing audio as described in claim 1, which is characterized in that the network chip is 88E6350 chips.
8. apparatus for processing audio as described in claim 1, which is characterized in that the model of the DSP audio processor
ADAU1446。
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721873873.9U CN207625776U (en) | 2017-12-26 | 2017-12-26 | A kind of apparatus for processing audio |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201721873873.9U CN207625776U (en) | 2017-12-26 | 2017-12-26 | A kind of apparatus for processing audio |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112581971A (en) * | 2020-12-11 | 2021-03-30 | 杭州海康威视数字技术股份有限公司 | Audio signal processing method and device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112581971A (en) * | 2020-12-11 | 2021-03-30 | 杭州海康威视数字技术股份有限公司 | Audio signal processing method and device |
| CN112581971B (en) * | 2020-12-11 | 2024-05-03 | 杭州海康威视数字技术股份有限公司 | Audio signal processing method and device |
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