CN106385645A - Wireless microphone system - Google Patents

Wireless microphone system Download PDF

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Publication number
CN106385645A
CN106385645A CN201611062574.7A CN201611062574A CN106385645A CN 106385645 A CN106385645 A CN 106385645A CN 201611062574 A CN201611062574 A CN 201611062574A CN 106385645 A CN106385645 A CN 106385645A
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China
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module
control
frequency
signal
audio
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Application number
CN201611062574.7A
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Chinese (zh)
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CN106385645B (en
Inventor
赵凯潜
赵银山
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BBS ELECTRONICS Co Ltd
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BBS ELECTRONICS Co Ltd
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Priority to CN201611062574.7A priority Critical patent/CN106385645B/en
Publication of CN106385645A publication Critical patent/CN106385645A/en
Priority to PCT/CN2017/089149 priority patent/WO2018095024A1/en
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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00Details of transducers, loudspeakers or microphones
    • H04R1/08Mouthpieces; Microphones; Attachments therefor

Abstract

The invention discloses a wireless microphone system. The wireless microphone system comprises a wireless microphone and a wireless reception machine; the wireless microphone comprises an audio frequency collection module, a voice recognition module, a CPU, an audio compression and modulation module, a frequency control module, a power control module and an antenna module. The output terminal of the audio frequency module is connected to the input terminal of the voice recognition module and the first input terminal of the audio compression and modulation module; the output terminal of the audio compression and modulation module is connected to the input terminal of the frequency control module; the output terminal of the frequency control module is connected to the input terminal of the power control module; the output terminal of the power control module is connected to an antenna; the output terminal of the voice recognition module is connected to an input terminal of the CPU; the control terminal of the audio compression and modulation module, the control terminal of the frequency control module and the control terminal of the power control module are connected a control signal output terminal corresponding to the CPU. The wireless microphone system can utilize voice to realize control, provides convenience to operation and can improve a singing experience of the user.

Description

A kind of wireless microphone system
[technical field]
The present invention relates to sound system, more particularly, to a kind of wireless microphone system.
[background technology]
Common amusement wireless microphone system, its control system majority is all manual regulation, as manual regulation is sent out The frequency penetrating and receive, power, sensitivity etc..This makes its operation quite loaded down with trivial details and dumb.And, wireless microphone system System is the key component formed a connecting link in amusement type singing system, and, its type singing system includes wirelessly taking a common KTV room as a example Microphone, front level processor, power amplifier, sound equipment, song-order machine etc..These key components are substantially independent or relatively independent fortune Make.
[content of the invention]
The technical problem to be solved in the present invention is to provide one kind can realize controlling using voice.Easy to operate wireless wheat Gram wind system.
In order to solve above-mentioned technical problem, the technical solution used in the present invention is that a kind of wireless microphone system, including no Line microphone and wireless receiver, wireless microphone includes audio collection module, sound identification module, CPU, audio compression and tune Molding block, frequency control module, power control module and Anneta module, the output end of audio collection module connects speech recognition respectively The input of module and the first input end of audio compression and modulation module;The output termination frequency of audio compression and modulation module The input of control module, the output of frequency control module terminates the input of power control module, power control module defeated Go out to terminate antenna;The output of sound identification module terminates the input of CPU, the control end of audio compression and modulation module, frequency The control end of the control end of control module and power control module connects CPU corresponding control signal output end respectively.
Above-described wireless microphone system, wireless microphone includes pilot module, the control termination CPU of pilot module Corresponding control signal output end, the output of pilot module terminates the second input of audio compression and modulation module.
Above-described wireless microphone system, wireless receiver includes MCU, Anneta module, sensitivity control module, mixes Frequency module, frequency control module, demodulation module and audio decompression and output module;The output termination of wireless receiver Anneta module The input of sensitivity control module, the output of sensitivity control module terminates the first input end of frequency mixing module, FREQUENCY CONTROL The output of module terminates the first input end of frequency mixing module, and the output of frequency mixing module terminates the input of demodulation module, solves mode transfer First output termination audio decompression of block and output module;The control end of sensitivity control module and the control of frequency control module End connects MCU corresponding control signal output end respectively.
Above-described wireless microphone system, wireless receiver includes pilot tone identification module and/or sound identification module, The input of pilot tone identification module terminates the second output end of demodulation module, the output termination MCU of pilot tone identification module;Wireless receiving The input of machine sound identification module terminates the 3rd output end of demodulation module, the output termination of wireless receiver sound identification module MCU.
Above-described wireless microphone system, wireless receiver includes external control interface, external control interface defeated Enter to terminate MCU corresponding control signal output end.
Above-described wireless microphone system, audio signal is respectively supplied to sound identification module by audio collection module With audio compression and modulation module, sound identification module is by the information transmission after identifying to CPU;CPU is according to sound identification module The data passing over, controls pilot module to produce corresponding pilot data, controls frequency control module to produce corresponding frequency, Power control module is controlled to produce corresponding transmission power;Audio signal send to after audio collection module audio compression and Audio signal compression that audio collection module is passed over by modulation module, audio compression and modulation module is simultaneously modulated by frequency In the frequency that control module produces, then the signal after modulation is sent to power control module, via power control module control Signal after the power amplification of system, passes to Anneta module, is sent signal by Anneta module.
Above-described wireless microphone system, pilot tone control module controls, via CPU, the pilot data producing, and is wireless Microphone identifies that signal or wireless microphone identify that signal addition of the pilot signal of speech recognition controlled information.
Above-described wireless microphone system, the Anneta module through wireless receiver for the radiofrequency signal passes to spirit after receiving Sensitivity control module, after radiofrequency signal is via the process of sensitivity control module, passes to frequency mixing module;Frequency mixing module is by sensitivity Radiofrequency signal that control module passes over and the frequency that frequency control module generates pass to solution mode transfer after carrying out Frequency mixing processing Block;Signal after mixing, passes to audio decompression and output module via the signal transmission demodulating after demodulation module process simultaneously Pass sound identification module and/or pilot tone identification module;Audio signal after being processed by audio decompression and output module export to External equipment.
Above-described wireless microphone system, the signal transmission after demodulation identifies to sound identification module and/or pilot tone After module, sound identification module identifies control information, and control instruction is sent to MCU;Or pilot tone identification module identifies and leads Frequency instructs, and pilot tone instruction sends MCU to.
Above-described wireless microphone system, if do not have additional speech to know in the pilot signal that receives of wireless receiver Other control information, then parse, by MCU, the control information that sound identification module identifies, MCU controls according to described control information The sensitivity control module of receiver, frequency control module and external control interface module;If the language being loaded with pilot signal Sound control information, then MCU according to the control instruction that pilot module parses go control sensitivity control module, frequency control module With external control interface module.
The wireless microphone system of the present invention can be realized controlling using voice.Easy to operate, drilling of user can be improved Sing experience.
[brief description]
The present invention is further detailed explanation with reference to the accompanying drawings and detailed description.
Fig. 1 is the theory diagram of embodiment of the present invention wireless microphone.
Fig. 2 is the theory diagram of embodiment of the present invention wireless receiver.
[specific embodiment]
The wireless microphone system of the embodiment of the present invention as depicted in figs. 1 and 2, including wireless microphone and wireless receiving Machine.
As shown in figure 1, wireless microphone includes audio collection module, sound identification module, CPU, pilot module, audio frequency pressure Contracting and modulation module, frequency control module, power control module and Anneta module, the output end of audio collection module connects language respectively The input of sound identification module and the first input end of audio compression and modulation module.Audio compression and the output end of modulation module Connect the input of frequency control module, the output of frequency control module terminates the input of power control module, Power Control mould The output termination antenna of block.The output of sound identification module terminates the input of CPU, the control of audio compression and modulation module The control end of end, the control end of frequency control module and power control module connects CPU corresponding control signal output end respectively.Lead Control termination CPU corresponding control signal output end, the output termination audio compression of pilot module and the modulation module of frequency module The second input.
Audio signal is supplied to sound identification module and audio compression and tune after audio collection module by sound respectively Molding block, sound identification module is by the information transmission after identifying to CPU module.CPU passes over according to sound identification module Data, controls pilot module to produce corresponding pilot data, controls frequency control module to produce corresponding frequency, controls work(simultaneously Rate control module produces corresponding transmission power.Audio signal sends audio compression and modulation mould after audio collection module to Block.Audio signal compression that audio collection module is passed over by audio compression and modulation module is simultaneously modulated by FREQUENCY CONTROL mould In the frequency that block produces.Then the signal after modulation is sent to power control module, the work(controlling via power control module Signal after rate amplification, passes to Anneta module, is then sent signal by Anneta module.Thus complete entirely to launch Journey.Wherein, pilot tone control module controls, via CPU, the pilot signal producing, and can be simple wireless microphone identification signal, It can also be the pilot signal that addition of speech recognition controlled information.If addition of speech recognition controlled signal, then acceptance division Divide on the premise of considering cost, the sound identification module of receiving portion can be saved.Only need emitting portion identification voice letter After number, go to control the every ontology data receiving and external control data through pilot signal.
As shown in Fig. 2 wireless receiver includes MCU, Anneta module, sensitivity control module, frequency mixing module, FREQUENCY CONTROL Module, demodulation module, audio decompression and output module (audio decompression and process and dio Output Modules), external control interface, Pilot tone identification module and/or sound identification module.The output of Anneta module terminates the input of sensitivity control module, sensitivity The output of control module terminates the first input end of frequency mixing module, and the first of the output termination frequency mixing module of frequency control module is defeated Enter end, the output of frequency mixing module terminates the input of demodulation module, the first output termination audio decompression of demodulation module and output Module.The control end of the control end of sensitivity control module and frequency control module connects the output of MCU corresponding control signal respectively End.The input of pilot tone identification module terminates the second output end of demodulation module, the output termination MCU of pilot tone identification module.Wirelessly The input of receiver sound identification module terminates the 3rd output end of demodulation module, the output of wireless receiver sound identification module Termination MCU.The externally input termination MCU corresponding control signal output end of control interface.External control interface can and other Ancillary equipment is attached, and such MCU just can enter communicated by external interface module and other ancillary equipment, thus real The middle control function of existing microphone system.
Radiofrequency signal passes to sensitivity control module after Anneta module, and signal controls via sensitivity control module After different sensitivity is processed, pass to frequency mixing module.The radiofrequency signal that sensitivity control module is passed over by frequency mixing module The frequency generating with frequency control module carries out after Frequency mixing processing, by signal transmission to demodulation module.Signal after mixing via The signal that demodulation module demodulates after processing is delivered separately to sound identification module, pilot tone identification module, audio decompression and process And dio Output Modules.Final signal via audio decompression and process and dio Output Modules process after audio signal export to Miscellaneous equipment uses.
After signal transmission after demodulation is to sound identification module and/or pilot tone identification module, identified by sound identification module After going out control information, control instruction is sent to MCU module;Or identify after pilot tone instruction by pilot tone identification module, by pilot tone Instruction sends MCU module to.
Now, see whether pilot signal addition of the audio controls being loaded by wireless microphone emitting portion.If not yet There are loading audio controls, then go to parse the control information that sound identification module identifies by MCU, then go to control by MCU again The sensitivity control module of receiver processed, frequency control module, and external control interface module.If pilot signal addition of no Line microphone emitting portion load audio controls, then MCU according to the control instruction that pilot module parses go control spirit Sensitivity control module, frequency control module and external control interface module.
Externally control interface module is mainly used in integral traffic control ancillary equipment, such as front level processor, song-order machine etc..So According to the requirement of institute's control device, generally this module comprises the common equipments such as USB interface, RS232 interface, and infrared interface Connecting interface.
The key factor of wireless microphone is sound, in order to be able to the effect of sound is performed to maximum, more than the present invention real Speech recognition part is added in the wireless microphone system applying example.Existing speech recognition system on the market has tended to Kind, and sing this market for amusement, only need to a small amount of keyword in speech recognition (as regulating frequency, regulation power, tune Section sensitivity, next, upper one first, suspend etc.) be identified control.Can utilize wireless microphone external control interface and Sound identification module, implements the control to front level processor, song-order machine etc., and middle control thing realize wireless microphone system makees With, so while taking into account cost and system ease, can effectively integrate whole type singing system.
Meanwhile, after increased speech recognition, the frequency of wireless microphone system, power, sensitive can be controlled by voice The adjustable projects such as degree.So allow for wireless microphone to be more prone to operate.
Hand-held emitting portion in original wireless microphone system for the above example of the present invention and receiver section are respectively Add sound identification module.So to transmitting and the independent speech recognition control of two big part execution not only can be received System, also makes identification more accurate simultaneously, and can preferably and ancillary equipment carries out interactive control.Such as, can be with voice control Prime effect device processed selects different singing effects, or even makes modification to the partial parameters of front level processor.Again such as, permissible Voice command song-order machine carries out choosing song, selects background music, selects to cut song etc..
Pilot tone is a kind of FSK encoding mechanism, loads and launches on a carrier frequency, then is parsed by receiver.Lead Frequency coding can write corresponding control word according to controlling needs, thus realizing the simple control communication launched and receive.
Above example of the present invention remains the pilot tone control module in original wireless microphone system.This makes system structure Become more flexible, that is, can be with only one of which sound identification module in a set of wireless microphone system, cooperation pilot tone controls mould simultaneously Block can realize Voice command.So on the basis of ensure that speech recognition is feasible, also take into account the cost of system.
Above example of the present invention adopts the wireless microphone system of speech recognition, using original radio frequency communication link On the basis of, can effectively improve the control to wireless microphone system.Meanwhile, can effectively integrate and wireless microphone system The miscellaneous equipment of system docking.The wireless microphone system making tradition transaudient merely is changed into an integrated control system, is improving While user sings experience.Also allow microphone possess the possibility of exploitation of can secondary upgrading, be equivalent to wireless microphone Based on system, erect a control platform based on audio frequency.

Claims (10)

1. a kind of wireless microphone system, including wireless microphone and wireless receiver it is characterised in that wireless microphone includes Audio collection module, sound identification module, CPU, audio compression and modulation module, frequency control module, power control module and Anneta module, the output end of audio collection module connects the input of sound identification module and audio compression and modulation module respectively First input end;The output of audio compression and modulation module terminates the input of frequency control module, frequency control module defeated Go out the input of termination power control module, the output termination antenna of power control module;The output termination of sound identification module The control of the control end of the input of CPU, audio compression and modulation module, the control end of frequency control module and power control module End processed connects CPU corresponding control signal output end respectively.
2. wireless microphone system according to claim 1, it is characterised in that wireless microphone includes pilot module, is led Control termination CPU corresponding control signal output end, the output termination audio compression of pilot module and the modulation module of frequency module The second input.
3. wireless microphone system according to claim 1 is it is characterised in that wireless receiver includes MCU, antenna mould Block, sensitivity control module, frequency mixing module, frequency control module, demodulation module and audio decompression and output module;Wireless receiving The output of machine Anneta module terminates the input of sensitivity control module, and the output of sensitivity control module terminates frequency mixing module First input end, the output of frequency control module terminates the first input end of frequency mixing module, the output termination demodulation of frequency mixing module The input of module, the first output termination audio decompression of demodulation module and output module;The control end of sensitivity control module Connect MCU corresponding control signal output end with the control end of frequency control module respectively.
4. wireless microphone system according to claim 3 is it is characterised in that wireless receiver includes pilot tone identification module And/or sound identification module, the input of pilot tone identification module terminates the second output end of demodulation module, pilot tone identification module defeated Go out to terminate MCU;The input of wireless receiver sound identification module terminates the 3rd output end of demodulation module, wireless receiver voice The output termination MCU of identification module.
5. wireless microphone system according to claim 3 is it is characterised in that wireless receiver includes outer control is connect Mouthful, the input termination MCU corresponding control signal output end of external control interface.
6. wireless microphone system according to claim 2 is it is characterised in that audio signal is distinguished by audio collection module It is supplied to sound identification module and audio compression and modulation module, sound identification module is by the information transmission after identifying to CPU; The data that CPU passes over according to sound identification module, controls pilot module to produce corresponding pilot data, controls FREQUENCY CONTROL Module produces corresponding frequency, controls power control module to produce corresponding transmission power;Audio signal is through audio collection mould Audio compression and modulation module is sent to, the audio frequency that audio collection module passes over is believed by audio compression and modulation module after block Number compress and modulate in the frequency being produced by frequency control module, then send the signal after modulation to Power Control mould Block, via the signal after the power amplification that power control module controls, passes to Anneta module, is sent signal by Anneta module Go out.
7. wireless microphone system according to claim 6 is it is characterised in that pilot tone control module controls product via CPU Raw pilot data, is wireless microphone identification signal or wireless microphone identification signal addition of speech recognition controlled information Pilot signal.
8. wireless microphone system according to claim 4 is it is characterised in that the antenna through wireless receiver for the radiofrequency signal Module passes to sensitivity control module after receiving, and after radiofrequency signal is via the process of sensitivity control module, passes to mixing mould Block;Radiofrequency signal that sensitivity control module is passed over by frequency mixing module and the frequency that frequency control module generates are mixed Demodulation module is passed to after process;Signal after mixing is via the signal transmission demodulating after demodulation module process to audio decompression And output module, it is simultaneously transferred to sound identification module and/or pilot tone identification module;After being processed by audio decompression and output module Audio signal export to external equipment.
9. wireless microphone system according to claim 8 is it is characterised in that the signal transmission after demodulation is to speech recognition After module and/or pilot tone identification module, sound identification module identifies control information, and control instruction is sent to MCU;Or pilot tone Identification module identifies that pilot tone instructs, and pilot tone instruction sends MCU to.
If 10. wireless microphone system according to claim 9 is it is characterised in that the pilot tone that receives of wireless receiver There is no additional speech identification control information in signal, then the control information that sound identification module identifies, MCU root are parsed by MCU Control sensitivity control module, frequency control module and the external control interface module of receiver according to described control information;If The speech-controlled information being loaded with pilot signal, then MCU according to the control instruction that pilot module parses go control sensitivity Control module, frequency control module and external control interface module.
CN201611062574.7A 2016-11-24 2016-11-24 Wireless microphone system Active CN106385645B (en)

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CN201611062574.7A CN106385645B (en) 2016-11-24 2016-11-24 Wireless microphone system
PCT/CN2017/089149 WO2018095024A1 (en) 2016-11-24 2017-06-20 Wireless microphone system

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Cited By (5)

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CN107071601A (en) * 2017-05-19 2017-08-18 珠海酷比电子科技有限公司 A kind of programmable U sections of wireless microphone systems
CN107645695A (en) * 2017-09-20 2018-01-30 咪咕音乐有限公司 Sending method and device, method of reseptance and device, the storage medium of telecommand
WO2018095024A1 (en) * 2016-11-24 2018-05-31 深圳市好兄弟电子有限公司 Wireless microphone system
CN110312178A (en) * 2019-08-07 2019-10-08 王家春 A kind of channel wireless radio multi microphone system that frequency is distributed automatically and its implementation
CN110430492A (en) * 2019-08-07 2019-11-08 王家春 A kind of wireless microphone system and its implementation of the control of intelligent sound interactive voice

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018095024A1 (en) * 2016-11-24 2018-05-31 深圳市好兄弟电子有限公司 Wireless microphone system
CN107071601A (en) * 2017-05-19 2017-08-18 珠海酷比电子科技有限公司 A kind of programmable U sections of wireless microphone systems
CN107645695A (en) * 2017-09-20 2018-01-30 咪咕音乐有限公司 Sending method and device, method of reseptance and device, the storage medium of telecommand
CN107645695B (en) * 2017-09-20 2020-11-03 咪咕音乐有限公司 Method and device for sending remote control command, method and device for receiving remote control command, and storage medium
CN110312178A (en) * 2019-08-07 2019-10-08 王家春 A kind of channel wireless radio multi microphone system that frequency is distributed automatically and its implementation
CN110430492A (en) * 2019-08-07 2019-11-08 王家春 A kind of wireless microphone system and its implementation of the control of intelligent sound interactive voice
CN110312178B (en) * 2019-08-07 2023-09-05 王家春 Multichannel wireless microphone system with automatic frequency allocation and implementation method thereof

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WO2018095024A1 (en) 2018-05-31

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Denomination of invention: A wireless microphone system

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