CN108260051A - Voice telecontrol system, portable transmission device and smart machine - Google Patents
Voice telecontrol system, portable transmission device and smart machine Download PDFInfo
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- CN108260051A CN108260051A CN201810036945.7A CN201810036945A CN108260051A CN 108260051 A CN108260051 A CN 108260051A CN 201810036945 A CN201810036945 A CN 201810036945A CN 108260051 A CN108260051 A CN 108260051A
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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
- H04R2420/00—Details of connection covered by H04R, not provided for in its groups
- H04R2420/03—Connection circuits to selectively connect loudspeakers or headphones to amplifiers
Abstract
The present invention provides a kind of voice telecontrol system, including:Portable transmission device and smart machine;Portable transmission device includes:First microphone unit, second microphone unit and audio treatment unit;First microphone unit and second microphone unit are electrically connected with audio treatment unit;First microphone unit is used to acquire the sound of the loud speaker output of voice, ambient noise and smart machine, and second microphone unit is used to acquire the sound and ambient noise of loud speaker output;Analog audio signal of the audio treatment unit for being acquired respectively to the first microphone unit and second microphone unit is amplified processing and the two-way analog signal of amplification is converted into digital audio and video signals;Voice telecontrol system is made the difference to obtain human voice signal to two-way digital audio and video signals controls smart machine to generate corresponding telecommand.The low in hardware cost of the portable transmission device, and the identification of voice is then realized by smart machine.
Description
Technical field
The invention belongs to speech recognition remote control technologies, and in particular to voice telecontrol system, portable transmission device and
Smart machine.
Background technology
The smart machines user such as TV, network box, projection needs the button by remote controler to be operated at present, right
In having defective vision or remembering for bad old man that remote controller is very inconvenient, the interactive experience for leading to user is poor.
Invention content
In view of the above-mentioned deficiencies in the prior art, it is an object of the present invention to provide a kind of voice telecontrol system, portable transmission
Equipment and smart machine, the shortcomings that for overcoming in the prior art.
Specifically, the present invention proposes embodiment in detail below:
An embodiment of the present invention provides a kind of voice telecontrol system, including:Portable transmission device and smart machine;It is described
Portable transmission device is pluggable to be connected on the smart machine;
The portable transmission device includes:First microphone unit, second microphone unit and audio treatment unit;
First microphone unit and the second microphone unit are electrically connected with the audio treatment unit;
First microphone unit is used to acquire the sound of the loud speaker output of voice, ambient noise and the smart machine
Sound, the second microphone unit are used to acquire the sound of the loud speaker output and the ambient noise;
The audio treatment unit is for respectively to first microphone unit and second microphone unit acquisition
Analog audio signal be amplified handle and the two-way analog signal of amplification is converted into digital audio and video signals;
The voice telecontrol system is made the difference to obtain human voice signal to generate to digital audio and video signals described in two-way
Corresponding telecommand controls the smart machine.
As a further improvement of the above technical scheme, first microphone unit is far field pickup microphone, described
Second microphone unit is near field pickup microphone.
As a further improvement of the above technical scheme, the audio treatment unit includes:The processing of first microphone signal
Module, second microphone signal processing module and audio processing chip;
First microphone unit, the first microphone signal processing module and the audio processing chip are electric successively
Property connection;The second microphone unit, the second microphone signal processing module and the audio processing chip are electric successively
Property connection;
The first microphone signal processing module and the second microphone signal processing module are respectively to described first
Microphone unit and the analog audio signal of second microphone unit acquisition are amplified processing;
The audio processing chip is used to the two-way analog signal of amplification being converted into digital audio and video signals.
As a further improvement of the above technical scheme, the portable transmission device is pluggable is connected to the intelligence
On the USB interface of equipment, the audio treatment unit is usb audio processing unit.
As a further improvement of the above technical scheme, the audio treatment unit does digital audio and video signals described in two-way
Difference processing isolates human voice signal and transmits the human voice signal, and the smart machine identifies that the human voice signal and generation are corresponding
Telecommand.
As a further improvement of the above technical scheme, digital audio described in the audio treatment unit transmitting two paths is believed
Number, the smart machine digital audio and video signals described in two-way are made the difference isolate human voice signal with generate it is corresponding remote control refer to
It enables.
The embodiment of the present invention additionally provides a kind of portable transmission device, pluggable to be connected on smart machine, including:
First microphone unit, second microphone unit and audio treatment unit;
First microphone unit and the second microphone unit are electrically connected with the audio treatment unit;
First microphone unit is used to acquire the sound of the loud speaker output of voice, ambient noise and the smart machine
Sound, the second microphone unit are used to acquire the sound of the loud speaker output and the ambient noise;
The audio treatment unit is for respectively to first microphone unit and second microphone unit acquisition
Analog audio signal be amplified processing;The audio treatment unit is additionally operable to the analog signal of amplification being converted into digital sound
Frequency signal simultaneously makes the difference digital audio and video signals described in two-way and isolates human voice signal and transmit the human voice signal to the intelligence
Can equipment to control the smart machine according to the human voice signal.
As a further improvement of the above technical scheme, first microphone unit is far field pickup microphone, described
Second microphone unit is near field pickup microphone.
As a further improvement of the above technical scheme, the portable transmission device is pluggable is connected to the intelligence
On the USB interface of equipment, the audio treatment unit is usb audio processing unit.
The embodiment of the present invention additionally provides a kind of smart machine, pluggable thereon to be connected with portable transmission device,
The smart machine receives the two-way digital audio and video signals from the portable transmission device, to two way
Word audio signal, which makes the difference, isolates human voice signal, according to the human voice signal to generate corresponding telecommand so as to perform phase
The operation answered.
Using technical solution provided by the invention, compared with existing known technology, at least have the advantages that:Intelligence
The voice control of energy equipment is inserted on smart machine by one portable transmission device of hardware device of increase and smart machine
The upper relevant APP softwares of installation and operation realize the voice remote control of smart machine, and manufacture can be made not have speech identifying function
Smart machine has voice control function.The low in hardware cost of portable transmission device in the program, and the identification of voice is then
It is realized by smart machine by APP softwares, the voice telecontrol system hardware cost is low, and software development cycle is short, and design is simple.
Two-way voice signal is acquired due to the use of two microphone units, there is no delays between each other, it is ensured that two-way voice signal
Synchronization process, the zero deflection when carrying out noise reduction when audio frequency process, discrimination is high, and user experience is high.
Description of the drawings
It in order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be to needed in the embodiment attached
Figure is briefly described, it should be understood that the following drawings illustrates only certain embodiments of the present invention, therefore is not construed as pair
The restriction of range, for those of ordinary skill in the art, without creative efforts, can also be according to this
A little attached drawings obtain other relevant attached drawings.
Fig. 1 is a kind of structure diagram for voice telecontrol system that the embodiment of the present invention proposes.
Main element symbol description:
The portable transmission devices of 10-;The first microphone units of 11-;12- the first microphone signal processing modules;21- second
Microphone unit;22- second microphone signal processing modules;24- audio processing chips;30- audio treatment units;50- intelligence
Equipment.
Specific embodiment
Hereinafter, the various embodiments of the disclosure will be described more fully.The disclosure can have various embodiments, and
It can adjust and change wherein.It should be understood, however, that:There is no disclosure protection domain is limited to specific reality disclosed herein
The intention of example is applied, but the disclosure should be interpreted as to all in the spirit and scope for covering the various embodiments for falling into the disclosure
Adjustment, equivalent and/or alternative.
Hereinafter, disclosed in the term " comprising " that can be used in the various embodiments of the disclosure or " may include " instruction
Function, operation or the presence of element, and do not limit the increase of one or more functions, operation or element.In addition, such as exist
Used in the various embodiments of the disclosure, term " comprising ", " having " and its cognate are meant only to represent special characteristic, number
Word, step, operation, the combination of element, component or aforementioned item, and be understood not to exclude first one or more other
Feature, number, step, operation, element, component or aforementioned item combination presence or increase one or more features, number,
Step, operation, element, component or aforementioned item combination possibility.
The statement (" first ", " second " etc.) used in the various embodiments of the disclosure can be modified in various implementations
Various constituent element in example, but respective sets can not be limited into element.For example, presented above be not intended to limit the suitable of the element
Sequence and/or importance.The purpose presented above for being only used for differentiating an element and other elements.For example, the first user sets
Standby and second user equipment indicates different user devices, although the two is all user equipment.For example, not departing from each of the disclosure
In the case of the range of kind embodiment, first element is referred to alternatively as second element, and similarly, second element is also referred to as first
Element.
It should be noted that:It, can be by the first composition member if a constituent element ' attach ' to another constituent element by description
Part is directly connected to the second constituent element, and " connection " third can be formed between the first constituent element and the second constituent element
Element.On the contrary, when by a constituent element " being directly connected to " to another constituent element, it will be appreciated that be in the first constituent element
And second third constituent element is not present between constituent element.
The term used in the various embodiments of the disclosure is used only for the purpose of describing specific embodiments and not anticipates
In the various embodiments of the limitation disclosure.Unless otherwise defined, otherwise all terms used herein (including technical term and
Scientific terminology) have and the various normally understood meanings of embodiment one skilled in the art of the disclosure are identical contains
Justice.The term (term such as limited in the dictionary generally used) be to be interpreted as have in the related technical field
The identical meaning of situational meaning and the meaning that Utopian meaning or too formal will be interpreted as having, unless this
It is clearly defined in disclosed various embodiments.
Embodiment 1
As shown in Figure 1, an embodiment of the present invention provides a kind of voice telecontrol system, including:Portable 10 He of transmission device
Smart machine 50.Portable transmission device 10 is pluggable to be connected on smart machine 50.
Portable transmission device 10 includes:First microphone unit 11, second microphone unit 21 and audio treatment unit
30。
First microphone unit 11 and second microphone unit 21 are electrically connected with audio treatment unit 30.
First microphone unit 11 is used to acquire the sound of the loud speaker output of voice, ambient noise and smart machine 50,
Second microphone unit 21 is used to acquire the sound and ambient noise of loud speaker output.It is appreciated that when user sends out voice,
First microphone unit 11 collects the sound of the 50 currently playing output of voice signal, extraneous environmental noise and smart machine of user
Sound.What second microphone unit 21 acquired is the sound and extraneous environmental noise that smart machine 50 currently exports.
Audio treatment unit 30 is for the simulation respectively to the first microphone unit 11 and the acquisition of second microphone unit 21
Audio signal, which is amplified, to be handled and the two-way analog signal of amplification is converted into digital audio and video signals, i.e. audio treatment unit 30
Can each voice be identified according to each phonetic feature of acquisition.
Voice telecontrol system is made the difference to obtain human voice signal corresponding distant to generate to two-way digital audio and video signals
Control instructs to control smart machine 50.
First microphone unit 11 is far field pickup microphone, and second microphone unit 21 is near field pickup microphone.
In the present embodiment, the first microphone unit 11 is 1 far field pickup microphone, and second microphone unit 21 is 1 near field pickup
Microphone.In other embodiments, the first microphone unit 11 can be 2 or multiple far field pickup microphones, the second Mike
Wind unit 21 can be 2 or multiple near field pickup microphones.
First microphone unit 11 can establish electric connection by unit by radio communication with audio treatment unit 30.In this way
First microphone unit 11 is exactly a portable 10 separable part of transmission device.Be conducive to 11 position of the first microphone unit
Put so as to preferably acquire voice, ambient noise and smart machine 50 loud speaker output sound.
According to sound source and the distance of microphone distance, sound-field model can be divided into two kinds:Near field model and far field model.Closely
Field model regards sound wave as spherical wave, it considers that microphone receives the amplitude difference between signal;Far field model then regards sound wave as flat
Surface wave, it ignores each array element and receives amplitude difference between signal, and it is simple time delay relationship to be approximately considered between each reception signal.
Audio treatment unit 30 can integrate on one chip, can also be distributed on polylith chip.Work as audio frequency process
When unit 30 is distributed on polylith chip, audio treatment unit 30 specifically includes:First microphone signal processing module 12, second
Microphone signal processing module 22 and audio processing chip 24.
First microphone unit 11, the first microphone signal processing module 12 and audio processing chip 24 electrically connect successively
It connects;Second microphone unit 21, second microphone signal processing module 22 and audio processing chip 24 are electrically connected successively.
First microphone signal processing module 12 and second microphone signal processing module 22 are respectively to the first microphone list
The analog audio signal that member 11 and second microphone unit 21 acquire is amplified processing.
First microphone signal processing module 12 and second microphone signal processing module 22 are operational amplifier.
Portable transmission device 10 is pluggable to be connected on smart machine 50.In the present embodiment, portable transmission is set
Standby 10 it is pluggable be connected on the USB interface of smart machine 50, audio treatment unit 30 is usb audio processing unit.At this
In the other embodiment of invention, pluggable other data transmission interfaces for being connected to smart machine 50 of portable transmission device 10
On, i.e., there are matched data transmission port and data transmission interfaces between portable transmission device 10 and smart machine 50.
In the present embodiment, audio treatment unit 30 two-way digital audio and video signals are made the difference isolate human voice signal and
The human voice signal is transmitted, i.e., the sound acquired to the first microphone unit 11 and second microphone unit 21 carries out trim process and obtains
To human voice signal, smart machine 50 identifies the human voice signal and the corresponding telecommand of generation.That is, digital audio and video signals make the difference
Processing is isolated human voice signal and is completed by portable transmission device 10.In another embodiment, the transmission of audio treatment unit 30 two
To smart machine 50, smart machine 50 makes the difference digital audio and video signals described in two-way and isolates digital audio and video signals described in road
Human voice signal is to generate corresponding telecommand.Specifically, audio treatment unit 30 can be by the first microphone unit 11 and
The sound of two microphone units 21 acquisition is sent to smart machine 50 with left and right acoustic channels.Such as:First microphone unit 11 acquires
Sound can be as the L channel of digital audio and video signals, the sound that second microphone unit 21 acquires then is used as digital audio and video signals
Right channel.That is, digital audio and video signals make the difference and isolate human voice signal and completed by smart machine 50.
Therefore, the present invention acquires various voice signals, portable transmission device 10 or intelligence by portable transmission device 10
Energy equipment 50 makes the difference voice messaging, and so as to obtain required human voice signal, smart machine 50 is by identifying voice
Signal come realize control of which operate, broken away from user when channel selection is when various operations to the constraint and manual operation of remote controler
Various worries, achieve that intelligent control of the voice to it without being changed to 50 structure of smart machine.
Embodiment 2
As shown in Figure 1, an embodiment of the present invention provides a kind of portable transmission device 10, it is integrated the small data transmission of product
Equipment, contour structures can be similar to flash disk, pluggable to be connected on smart machine 50.Portable transmission device 10 includes:
First microphone unit 11, second microphone unit 21 and audio treatment unit 30.
First microphone unit 11 and second microphone unit 21 are electrically connected with audio treatment unit 30.
First microphone unit 11 is used to acquire the sound of the loud speaker output of voice, ambient noise and smart machine 50,
Second microphone unit 21 is used to acquire the sound and ambient noise of loud speaker output.It is appreciated that when user sends out voice,
First microphone unit 11 collects the sound of the 50 currently playing output of voice signal, extraneous environmental noise and smart machine of user
Sound.What second microphone unit 21 acquired is the sound and extraneous environmental noise that smart machine 50 currently exports.
Audio treatment unit 30 is for the simulation respectively to the first microphone unit 11 and the acquisition of second microphone unit 21
Audio signal is amplified processing;Audio treatment unit 30 is additionally operable to the analog signal of amplification being converted into digital audio and video signals simultaneously
Digital audio and video signals described in two-way are made the difference and isolates human voice signal and transmits the human voice signal to smart machine 50 with root
Smart machine 50 is controlled according to the human voice signal.
First microphone unit 11 is far field pickup microphone, and second microphone unit 21 is near field pickup microphone.
In the present embodiment, the first microphone unit 11 is 1 far field pickup microphone, and second microphone unit 21 is 1 near field pickup
Microphone.In other embodiments, the first microphone unit 11 can be 2 or multiple far field pickup microphones, the second Mike
Wind unit 21 can be 2 or multiple near field pickup microphones.
First microphone unit 11 can establish electric connection by unit by radio communication with audio treatment unit 30.In this way
First microphone unit 11 is exactly a portable 10 separable part of transmission device.Be conducive to 11 position of the first microphone unit
Put so as to preferably acquire voice, ambient noise and smart machine 50 loud speaker output sound.
Portable transmission device 10 is pluggable to be connected on smart machine 50.In the present embodiment, portable transmission is set
Standby 10 it is pluggable be connected on the USB interface of smart machine 50, audio treatment unit 30 is usb audio processing unit.It is portable
USB port on formula transmission device 10 can be collapsible port.User can shrink USB port to save space, be convenient for
Storage.USB port on portable transmission device 10 is the USB male joint of standard.In order to current TV, network box, projection
The standard USB females that smart machines are reserved is waited to match.In other embodiments of the invention, portable transmission device 10 can be inserted
That pulls out is connected on other data transmission interfaces of smart machine 50, i.e., is deposited between portable transmission device 10 and smart machine 50
In matched data transmission port and data transmission interface.Portable transmission device 10 is the smaller equipment of a volume, therefore
Using or collection when all will not occupied space, it is easy to use.
Audio treatment unit 30 can integrate on one chip, can also be distributed on polylith chip.Work as audio frequency process
When unit 30 is distributed on polylith chip, audio treatment unit 30 specifically includes:First microphone signal processing module 12, second
Microphone signal processing module 22 and audio processing chip 24.
First microphone unit 11, the first microphone signal processing module 12 and audio processing chip 24 electrically connect successively
It connects;Second microphone unit 21, second microphone signal processing module 22 and audio processing chip 24 are electrically connected successively.
First microphone signal processing module 12 and second microphone signal processing module 22 are respectively to the first microphone list
The analog audio signal that member 11 and second microphone unit 21 acquire is amplified processing.
First microphone signal processing module 12 and second microphone signal processing module 22 are operational amplifier.
The two-way analog signal of amplification is converted into digital audio and video signals by audio processing chip 24, and to digital described in two-way
Audio signal make the difference isolate human voice signal and transmit the human voice signal to smart machine 50 with according to the human voice signal come
Control smart machine 50.PCM (Pulse Code Modulation, pulse code modulation) codings can be used in digital audio and video signals.
Pcm encoder main process is to be sampled the analog signals such as voice at regular intervals, makes its discretization, while by sample value
Quantify by layered units round, while sample value is represented into the amplitude of sampling pulse by one group of binary code.PCM
The advantages of coding is that source information preserves completely, and sound quality is good.
Embodiment 3
As shown in Figure 1, an embodiment of the present invention provides a kind of smart machine 50, it is pluggable thereon to be connected with portable biography
Transfer device 10, smart machine 50 receive the two-way digital audio and video signals from portable transmission device 10, to two railway digital
Audio signal, which makes the difference, isolates human voice signal, corresponding so as to perform to generate corresponding telecommand according to the human voice signal
Operation.Electronic equipment of the smart machine 50 for various playable displays such as smart television, TV boxes.
Remote control, which carries out an operation instruction, to be realized to voice telecontrol system below:Due to smart machine 50, there is no install wheat
Gram wind etc., i.e., do not support speech recognition controlled, portable transmission device 10 be inserted into the reserved data transmission of smart machine 50
On interface, while the corresponding APP softwares of installation and operation on smart machine 50.
For example, when Hunan Satellite TV is currently played in smart machine 50, user wants program being switched to 1, center,
It only needs to send out corresponding voice command, such as:" being adjusted to 1, center ".The first microphone on portable transmission device 10
Unit 11 is collected into " being adjusted to 1, center " voice, ambient noise and plays the sound that Hunan Satellite TV program is sent out;Second microphone
Unit 21 is collected into ambient noise and plays the sound that Hunan Satellite TV program is sent out;Audio treatment unit 30 is respectively to the first Mike
The analog audio signal that wind unit 11 and second microphone unit 21 acquire is amplified processing and the two-way of amplification is simulated letter
Number it is converted into digital audio and video signals;Audio treatment unit 30 or smart machine 50 on portable transmission device 10 is to two-way institute
Digital audio and video signals are stated to be made the difference to obtain human voice signal;Smart machine 50 is known according to " being adjusted to 1, center " human voice signal
Corresponding telecommand is not generated to control smart machine 50, i.e., smart machine 50, which is controlled, is switched to " center 1 from " Hunan Satellite TV "
Platform " plays.
Further, smart machine 50 before the handover is realised, by increasing by an arousal function, such as " be adjusted to center 1 "
Increase title before phonetic order, such as:" little Ai " etc. similar name.Title is set wake operation can be used as to instruct, avoids missing
Action.When user subsequently carries out voice remote control operation, it is required for first saying preset title plus dependent instruction, such as:It is " small
Chinese mugwort is adjusted to 1, center ", smart machine 50 enters corresponding app and the default phonetic order of control output, and such as " little Ai is received, main
People please say ", then smart machine 50 is switched to 1, center, while also increases interest.Voice in all of above embodiment
Information identification can use local identification or high in the clouds to identify;During local identification, smart machine 50 is local can be stored with Chinese, English
The multilinguals such as text, various regions dialect, it is right in this way during speech recognition controlled is used due to that can identify various regions dialect
It is more convenient, quick for the old man that will not be spoken Mandarin.Increase the Experience Degree of user.
The voice control of smart machine 50 assigns into the pre- of smart machine 50 by increasing a portable transmission device 10
The voice remote control of the relevant APP softwares realization smart machine 50 of installation and operation on interface and smart machine 50 is stayed, can be used
The smart machine 50 that factory does not have speech identifying function has voice control function.The hardware cost of voice remote controller in the program
It is cheap, and the extraction separation identification of voice is then realized by the main control unit of smart machine 50 by APP softwares, the speech recognition system
Uniting, hardware cost is low, and software development cycle is short, and design is simple.
It will be appreciated by those skilled in the art that the accompanying drawings are only schematic diagrams of a preferred implementation scenario, module in attached drawing or
Flow is not necessarily implemented necessary to the present invention.
It will be appreciated by those skilled in the art that the module in equipment in implement scene can be described according to implement scene into
Row is distributed in the equipment of implement scene, can also be carried out respective change and be set positioned at the one or more different from this implement scene
In standby.The module of above-mentioned implement scene can be merged into a module, can also be further split into multiple submodule.
The invention described above serial number is for illustration only, does not represent the quality of implement scene.Disclosed above is only the present invention
Several specific implementation scenes, still, the present invention is not limited to this, and the changes that any person skilled in the art can think of is all
Protection scope of the present invention should be fallen into.
Claims (10)
1. a kind of voice telecontrol system, which is characterized in that including:Portable transmission device and smart machine;The portable biography
Transfer device is pluggable to be connected on the smart machine;
The portable transmission device includes:First microphone unit, second microphone unit and audio treatment unit;
First microphone unit and the second microphone unit are electrically connected with the audio treatment unit;
First microphone unit is used to acquire the sound of the loud speaker output of voice, ambient noise and the smart machine,
The second microphone unit is used to acquire the sound of the loud speaker output and the ambient noise;
The audio treatment unit is for respectively to the mould of first microphone unit and second microphone unit acquisition
Intend audio signal to be amplified processing and the two-way analog signal of amplification is converted into digital audio and video signals;
The voice telecontrol system is made the difference to obtain human voice signal to generate correspondence to digital audio and video signals described in two-way
Telecommand control the smart machine.
2. voice telecontrol system according to claim 1, which is characterized in that first microphone unit is far field pickup
Microphone, the second microphone unit are near field pickup microphone.
3. voice telecontrol system according to claim 1, which is characterized in that the audio treatment unit includes:First wheat
Gram wind signal processing module, second microphone signal processing module and audio processing chip;
First microphone unit, the first microphone signal processing module and the audio processing chip electrically connect successively
It connects;The second microphone unit, the second microphone signal processing module and the audio processing chip electrically connect successively
It connects;
The first microphone signal processing module and the second microphone signal processing module are respectively to first Mike
Wind unit and the analog audio signal of second microphone unit acquisition are amplified processing;
The audio processing chip is used to the two-way analog signal of amplification being converted into digital audio and video signals.
4. voice telecontrol system according to claim 1, which is characterized in that the portable pluggable company of transmission device
It is connected on the USB interface of the smart machine, the audio treatment unit is usb audio processing unit.
5. voice telecontrol system according to claim 1, which is characterized in that the audio treatment unit is to number described in two-way
Word audio signal, which makes the difference, to be isolated human voice signal and transmits the human voice signal, and the smart machine identifies the human voice signal
And the corresponding telecommand of generation.
6. voice telecontrol system according to claim 1, which is characterized in that described in the audio treatment unit transmitting two paths
Digital audio and video signals, the smart machine, which makes the difference digital audio and video signals described in two-way, isolates human voice signal to generate pair
The telecommand answered.
7. a kind of portable transmission device, pluggable to be connected on smart machine, which is characterized in that including:First microphone
Unit, second microphone unit and audio treatment unit;
First microphone unit and the second microphone unit are electrically connected with the audio treatment unit;
First microphone unit is used to acquire the sound of the loud speaker output of voice, ambient noise and the smart machine,
The second microphone unit is used to acquire the sound of the loud speaker output and the ambient noise;
The audio treatment unit is for respectively to the mould of first microphone unit and second microphone unit acquisition
Intend audio signal and be amplified processing, the analog signal of amplification is converted into digital audio and video signals and to digital audio described in two-way
Signal, which makes the difference, to be isolated human voice signal and transmits the human voice signal to the smart machine to be controlled according to the human voice signal
Make the smart machine.
8. portable transmission device according to claim 7, which is characterized in that first microphone unit is picked up for far field
Sound microphone, the second microphone unit are near field pickup microphone.
9. portable transmission device according to claim 7, which is characterized in that the portable transmission device is pluggable
It is connected on the USB interface of the smart machine, the audio treatment unit is usb audio processing unit.
10. a kind of smart machine, pluggable thereon to be connected with portable transmission device, which is characterized in that
The smart machine receives the two-way digital audio and video signals from the portable transmission device, to the two railway digitals sound
Frequency signal, which makes the difference, isolates human voice signal, corresponding so as to perform to generate corresponding telecommand according to the human voice signal
Operation.
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CN110544487A (en) * | 2019-10-18 | 2019-12-06 | 珠海格力智能装备有限公司 | Microphone-based voice detection method and device |
CN111091818A (en) * | 2019-12-24 | 2020-05-01 | 广东美的白色家电技术创新中心有限公司 | Voice recognition circuit, voice interaction equipment and household appliance |
CN111630876A (en) * | 2019-01-07 | 2020-09-04 | 深圳声临奇境人工智能有限公司 | Audio device and audio processing method |
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