CN208316974U - A kind of voice Rouser applied to high power acoustics - Google Patents
A kind of voice Rouser applied to high power acoustics Download PDFInfo
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- CN208316974U CN208316974U CN201820693946.4U CN201820693946U CN208316974U CN 208316974 U CN208316974 U CN 208316974U CN 201820693946 U CN201820693946 U CN 201820693946U CN 208316974 U CN208316974 U CN 208316974U
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Abstract
The utility model discloses a kind of voice Rousers applied to high power acoustics, including intelligent sound module, audio wireless transmitting module and audio wireless receiving module；Audio wireless sending module includes that the first audio processor and the AD conversion module connecting with the first audio processor and wireless transmitter module, AD conversion module are connect with intelligent sound module；Audio wireless receiving module includes audio mixing interface module, the second audio processor and the wireless receiving module connecting with the second audio processor and D/A conversion module, wireless receiving module and wireless transmitter module communicate to connect, D/A conversion module is connect with the input terminal of the audio mixing interface module, the digital audio access port of the output end connection high power acoustics of audio mixing interface module.The technology for carrying out interactive voice with sound equipment is made into the voice collecting and send self-contained unit that one separates by the utility model, can dock traditional high-power high-quality sound equipment, having broken intelligent sound box all is the status of small-power lower tone.
Description
Technical field
The utility model relates to artificial intelligent voice interaction technique fields, and in particular to a kind of language for high power acoustics
Sound Rouser.
Background technique
Voice awakening technology is to pass through wireless audio technology as voice control entrance based on intelligent sound interaction technique
Audio-frequency information is transmitted, finally sound equipment is allowed to respond.However current intelligent sound on the market, it is small-power sound equipment, sound
Matter is poor, and discrimination is low.Powerful sound equipment is difficult to realize intelligent sound interaction, on the one hand due to the interface problem of smart machine,
On the other hand also as the broadcasting sound of powerful sound equipment can sound collection severe jamming to it.
Utility model content
In view of the deficiencies of the prior art, the purpose of this utility model is to provide a kind of voices applied to high power acoustics
Intelligent sound interaction technique is made into an independent module by Rouser, is risen combined with traditional high-quality high power acoustics
Come, carries out wireless speech manipulation.
To achieve the above object, the technical solution of the utility model are as follows:
A kind of voice Rouser applied to high power acoustics, including intelligent sound module, audio wireless transmitting module
With audio wireless receiving module；The audio wireless transmitting module include the first audio processor and respectively with first audio
The AD conversion module and wireless transmitter module, the AD conversion module of processor connection are connect with the intelligent sound module；Institute
Audio wireless receiving module is stated to include audio mixing interface module, the second audio processor and connect with second audio processor respectively
The wireless receiving module and D/A conversion module connect, the wireless receiving module and the wireless transmitter module communicate to connect, described
D/A conversion module is connect with the input terminal of the audio mixing interface module, and the output end of the audio mixing interface module connects high-power sound
Loud digital audio access port.
Preferably, the wireless transmitter module and wireless receiving module are all made of bluetooth module.
It further include filtering match circuit applied to powerful voice Rouser, the input terminal of the filtering match circuit
It is connect with the output end of the D/A conversion module, the output end of the filtering match circuit and the input of the audio mixing interface module
End connection.
Further, the audio mixing interface module includes that left channel analog signal acquisition circuit, right analog signal are adopted
Collector and connect respectively with the left channel analog signal acquisition circuit and the right analog signal acquisition circuit
Three audio processor, the signal output end of the third audio processor and the digital audio access port of high power acoustics connect.
Preferably, the third audio processor uses the audio processing chip of model PCM1808.
Preferably, the filtering match circuit include circuit structure identical left channel audio signal filtering match circuit and
Right channel audio signal filters match circuit, and two circuit structures include inductance, first resistor, second resistance, capacitor and the
Three resistance, the first end of the inductance are connect by interface module with the output end of the D/A conversion module, and the of the inductance
One end is also connected with two-way transient supression diode, and the second end of the two-way transient supression diode is grounded, the inductance
Second end is connect with the first end of the first resistor and the second resistance respectively, and the second end of the first resistor connects electricity
The first end of appearance, the second end of the second end connection capacitor of second resistance, the both ends of 3rd resistor are connected in parallel on the both ends of capacitor, electricity
The first end of appearance is the output end of left channel audio signal filtering match circuit or right channel audio signal filtering match circuit.
Further, the intelligent sound module includes intelligent sound chip and the intelligent sound chip connects respectively
MIC acquisition module.
Further, the MIC acquisition module is using 6 spaced annular microphone arrays, and 360 ° of auditory localization.
The utility model has the beneficial effects that the technology for carrying out interactive voice with sound equipment is made into the voice collecting separated
And self-contained unit is sent, traditional high-power high-quality sound equipment can be docked, having broken current market intelligent sound box is all small-power
The status of lower tone.
Detailed description of the invention
Fig. 1 is the schematic block circuit diagram of the utility model specific embodiment；
Fig. 2 is the circuit diagram of the audio mixing interface module of the utility model specific embodiment；
Fig. 3 is the circuit diagram of the filtering match circuit of the utility model specific embodiment.
Specific embodiment
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 making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
As shown in Figure 1, a kind of voice Rouser applied to high power acoustics, including intelligent sound module, audio without
Line transmitting module and audio wireless receiving module；The audio wireless transmitting module include the first audio processor and respectively with institute
State the AD conversion module and wireless transmitter module of the connection of the first audio processor, the AD conversion module and the intelligent sound
Module connection；The audio wireless receiving module includes audio mixing interface module, the second audio processor and respectively with described second
The wireless receiving module and D/A conversion module of audio processor connection, the wireless receiving module and the wireless transmitter module are logical
Letter connection, the D/A conversion module are connect with the input terminal of the audio mixing interface module, the output end of the audio mixing interface module
Connect the digital audio access port of high power acoustics.The embodiment of the present invention wireless transmitter module and wireless receiving module are all made of
Bluetooth module.
Intelligent sound module one is used to acquire external audio, and two go out the audio emission that acquisition comes, intelligent sound
Module selects reliable third party's audio processing chip scheme, and development efficiency and stability can be improved.The standard of selection is only
Want reliable and stable, speech recognition needs high pass rate to be just able to satisfy requirement, while the speech-sound intelligent of intelligent sound module parses clothes
Business selection third party's network service, technical requirements speech analysis accuracy rate can identify the daily base of the overwhelming majority up to 95% or more
This term.Alternative voice analysis service quotient such as Iflytek, Baidu, cloud know sound etc..Speech analysis by third-party platform branch
It holds, can possess and its speech analysis content recognition abundant.By third-party music platform, product music library can be allowed
There are music sources abundant to support.Intelligent sound module further includes that the MIC acquisition module connecting with third-party chip selects 6 wheats
Annular microphone array, 360 ° of auditory localization, sensitivity > -42dBV@94db 1kHz.Third party's audio processing chip is also connected with
There is MIC acquisition module.The MIC acquisition module is using 6 spaced annular microphone arrays, and 360 ° of auditory localization.
The output of intelligent sound module is stereo analog signals, is converted into I2S information flow by AD conversion module, then
Pass through Bluetooth transmission module under the control of first audio processor to launch.
After bluetooth receiving module receives the signal stream of above-mentioned Bluetooth transmission module transmitting, then in the second audio processor
Control is lower to be launched by the analog signal that D/A converter is converted to L channel and right channel.
As shown in Fig. 2, the audio mixing interface module includes left channel analog signal acquisition circuit 1, right analog signal
It Acquisition Circuit 2 and is respectively connect with the left channel analog signal acquisition circuit and the right analog signal acquisition circuit
Third audio processor U9, wherein the input terminal point of left channel analog signal acquisition circuit, right analog signal acquisition circuit
Not Lian Jie D/A converter left channel analog signal and right analog signal, the third audio processor U9 signal output
It holds and is correspondingly connected with the digital audio access port of high power acoustics.The third audio processor U9 uses model PCM1808
Audio processing chip.
As shown in figure 3, it is more preferable in order to use audio fruit, it further include filtering matching applied to powerful voice Rouser
The input terminal of circuit, the filtering match circuit is connect with the output end of the D/A conversion module, the filtering match circuit
Output end and the input terminal of the audio mixing interface module are correspondingly connected with.The filtering match circuit includes the identical left side of circuit structure
Channel audio signal filters match circuit and right channel audio signal and filters match circuit, two circuit structures include inductance,
The first end of first resistor, second resistance, capacitor and 3rd resistor, the inductance passes through interface module and the D/A conversion module
Output end connection, the first end of the inductance is also connected with two-way transient supression diode, two-way transient supression diode
Second end ground connection, the second end of the inductance is connect with the first end of the first resistor and the second resistance respectively, described
The first end of the second end connection capacitor of first resistor, the second end of the second end connection capacitor of second resistance, 3rd resistor
Both ends are connected in parallel on the both ends of capacitor, and the first end of capacitor is left channel audio signal filtering match circuit or right audio channel letter
Number filtering left channel analog signal acquisition circuit, right analog signal acquisition circuit match circuit output end.It is left referring to Fig. 3
Vocal tract analog signal acquisition circuit includes inductance L10, first resistor R90, second resistance R88, capacitor C22 and 3rd resistor R89,
The first end of the inductance L10 is connect by interface module with the output end of the D/A conversion module, and the first of the inductance L10
End is also connected with two-way transient supression diode D9, and the second end of two-way transient supression diode D9 is grounded, the inductance L10's
Second end is connect with the first end of the first resistor R90 and the second resistance R88 respectively, and the of the first resistor R90
Two ends connect the first end of capacitor C22, and the second end of second resistance R88 connects the second end of capacitor C22,3rd resistor R89's
Both ends are connected in parallel on the both ends of capacitor C22.
In conclusion the voice Rouser of the present embodiment be one independently of sound equipment an independent module, in reality
In production, this module can be made into an individual etui, since this voice Rouser is based on isolated voice collecting
And standalone module is sent, traditional high-power high-quality sound equipment can be docked, having broken current market intelligent sound box is all small-power
The status of lower tone.With Volume Up, the error rate of traditional intelligent sound box can also be greatly increased, and the wheat based on separate type
Gram wind speech recognition array can avoid tradition small-power speaker and embed the high problem of microphone identification array False Rate.
It is the preferred embodiment of the utility model it should be noted that described above, the utility model not office
It is limited to above embodiment, as long as its technical effect for reaching the utility model with identical means, it is practical new all should belong to this
The protection scope of type.
Claims (8)
1. a kind of voice Rouser applied to high power acoustics, it is characterised in that: including intelligent sound module, audio wireless
Transmitting module and audio wireless receiving module；The audio wireless transmitting module include the first audio processor and respectively with it is described
The AD conversion module and wireless transmitter module of first audio processor connection, the AD conversion module and the intelligent sound module
Connection；The audio wireless receiving module include audio mixing interface module, the second audio processor and respectively with second audio
The wireless receiving module and D/A conversion module of processor connection, the wireless receiving module and the wireless transmitter module communication link
It connects, the D/A conversion module is connect with the input terminal of the audio mixing interface module, the output end connection of the audio mixing interface module
The digital audio access port of high power acoustics.
2. being applied to the voice Rouser of high power acoustics as described in claim 1, it is characterised in that: the wireless transmission
Module and wireless receiving module are all made of bluetooth module.
3. being applied to the voice Rouser of high power acoustics as described in claim 1, it is characterised in that: further include filtering
With circuit, the input terminal of the filtering match circuit is connect with the output end of the D/A conversion module, the filtering match circuit
Output end connect with the input terminal of the audio mixing interface module.
4. being applied to the voice Rouser of high power acoustics as described in claim 1, it is characterised in that: the audio mixing interface
Module includes left channel analog signal acquisition circuit, right analog signal acquisition circuit and believes respectively with the left channel analog
The third audio processor that number Acquisition Circuit is connected with the right analog signal acquisition circuit, the third audio processor
Signal output end and high power acoustics digital audio access port connect.
5. being applied to the voice Rouser of high power acoustics as claimed in claim 4, it is characterised in that: the third audio
Processor uses the audio processing chip of model PCM1808.
6. being applied to the voice Rouser of high power acoustics as claimed in claim 3, it is characterised in that: the filtering matching
Circuit includes that the identical left channel audio signal filtering match circuit of circuit structure and right channel audio signal filter match circuit,
Two circuit structures include inductance, first resistor, second resistance, capacitor and 3rd resistor, and the first end of the inductance passes through
Interface module is connect with the output end of the D/A conversion module, and the first end of the inductance is also connected with two-way two pole of transient supression
Pipe, the two-way transient supression diode second end ground connection, the second end of the inductance respectively with the first resistor and institute
State the first end connection of second resistance, the first end of the second end connection capacitor of the first resistor, the second end of second resistance
The second end of capacitor is connected, the both ends of 3rd resistor are connected in parallel on the both ends of capacitor, and the first end of capacitor is left channel audio letter
The output end of number filtering match circuit or right channel audio signal filtering match circuit.
7. being applied to the voice Rouser of high power acoustics as described in claim 1, it is characterised in that: the intelligent sound
Module includes intelligent sound chip and the MIC acquisition module that the intelligent sound chip connects respectively.
8. the use as claimed in claim 7 in the voice Rouser of high power acoustics, it is characterised in that: the MIC acquisition
Module is using 6 spaced annular microphone arrays, and 360 ° of auditory localization.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820693946.4U CN208316974U (en) | 2018-05-10 | 2018-05-10 | A kind of voice Rouser applied to high power acoustics |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820693946.4U CN208316974U (en) | 2018-05-10 | 2018-05-10 | A kind of voice Rouser applied to high power acoustics |
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| CN208316974U true CN208316974U (en) | 2019-01-01 |
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| CN201820693946.4U Active CN208316974U (en) | 2018-05-10 | 2018-05-10 | A kind of voice Rouser applied to high power acoustics |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113115336A (en) * | 2021-04-09 | 2021-07-13 | 英华达（上海）科技有限公司 | Wireless communication optimization method and system based on load tuner |
-
2018
- 2018-05-10 CN CN201820693946.4U patent/CN208316974U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113115336A (en) * | 2021-04-09 | 2021-07-13 | 英华达（上海）科技有限公司 | Wireless communication optimization method and system based on load tuner |
| CN113115336B (en) * | 2021-04-09 | 2022-12-13 | 英华达（上海）科技有限公司 | Wireless communication optimization method and system based on load tuner |
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