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CN106658246B - Wireless microphone system - Google Patents

  • ️Tue Jun 30 2020

CN106658246B - Wireless microphone system - Google Patents

Wireless microphone system Download PDF

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Publication number
CN106658246B
CN106658246B CN201611059743.1A CN201611059743A CN106658246B CN 106658246 B CN106658246 B CN 106658246B CN 201611059743 A CN201611059743 A CN 201611059743A CN 106658246 B CN106658246 B CN 106658246B Authority
CN
China
Prior art keywords
module
wireless
wireless microphone
wireless receiver
transmitting
Prior art date
2016-11-23
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201611059743.1A
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Chinese (zh)
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CN106658246A (en
Inventor
赵凯潜
赵银山
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Bbs Electronics Co ltd
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Bbs Electronics Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
2016-11-23
Filing date
2016-11-23
Publication date
2020-06-30
2016-11-23 Application filed by Bbs Electronics Co ltd filed Critical Bbs Electronics Co ltd
2016-11-23 Priority to CN201611059743.1A priority Critical patent/CN106658246B/en
2017-05-10 Publication of CN106658246A publication Critical patent/CN106658246A/en
2017-06-20 Priority to PCT/CN2017/089145 priority patent/WO2018095023A1/en
2020-06-30 Application granted granted Critical
2020-06-30 Publication of CN106658246B publication Critical patent/CN106658246B/en
Status Active legal-status Critical Current
2036-11-23 Anticipated expiration legal-status Critical

Links

  • 230000000694 effects Effects 0.000 claims abstract description 45
  • 230000006854 communication Effects 0.000 claims abstract description 12
  • 238000004891 communication Methods 0.000 claims abstract description 12
  • 238000012545 processing Methods 0.000 claims description 32
  • 230000003993 interaction Effects 0.000 claims description 15
  • 230000005236 sound signal Effects 0.000 claims description 10
  • 230000035945 sensitivity Effects 0.000 claims description 3
  • 238000000034 method Methods 0.000 claims description 2
  • 230000008569 process Effects 0.000 claims description 2
  • 230000005540 biological transmission Effects 0.000 description 8
  • 238000010586 diagram Methods 0.000 description 3
  • 230000008859 change Effects 0.000 description 2
  • 230000007175 bidirectional communication Effects 0.000 description 1
  • 238000011161 development Methods 0.000 description 1
  • 238000003032 molecular docking Methods 0.000 description 1
  • 238000012544 monitoring process Methods 0.000 description 1
  • 230000006855 networking Effects 0.000 description 1

Images

Classifications

    • 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R3/00Circuits for transducers, loudspeakers or microphones
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2420/00Details of connection covered by H04R, not provided for in its groups
    • H04R2420/03Connection circuits to selectively connect loudspeakers or headphones to amplifiers

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Circuit For Audible Band Transducer (AREA)
  • Transmitters (AREA)

Abstract

The invention discloses a wireless microphone system, which comprises a wireless microphone, a playback device, a wireless receiver and a sound source device, wherein the input end of the playback device is connected with the wireless microphone, and the wireless receiver is in two-way communication connection with the sound source device; the wireless microphone is in wireless two-way communication connection with the wireless receiver. The wireless microphone system adopts a duplex communication mode, so that sound effect control is conveniently carried out on the wireless receiver from the wireless microphone end, the singing effect is conveniently changed in real time, and the karaoke effect is good.

Description

Wireless microphone system

[ technical field ]

The invention relates to a singing sound system, in particular to a wireless microphone system.

[ background art ]

With the development of smart mobile terminal products and K song APP, more and more users are slowly accustomed to such social platforms to show themselves. However, the traditional karaoke microphone has poor audio effect, or requires wired connection of terminal equipment, so that the user cannot sing in the best condition. The traditional wireless microphone can not meet the requirements of current mobile terminals for karaoke and singing due to the limitation of interfaces and radio frequency transmission modes. The radio frequency transmission of the traditional wireless microphone is basically unidirectional, namely, a simplex communication mode cannot control various sound effects of a wireless receiver from the wireless microphone end, and cannot change the singing effect in real time or monitor in real time according to the requirements of users.

[ summary of the invention ]

The invention aims to solve the technical problem of providing a wireless microphone system which has good karaoke effect, is convenient for controlling the sound effect of a wireless receiver from a wireless microphone end and changing the singing effect in real time.

In order to solve the technical problems, the invention adopts the technical scheme that the wireless microphone system comprises a wireless microphone, a playback device, a wireless receiver and a sound source device, wherein the input end of the playback device is connected with the wireless microphone, and the wireless receiver is in two-way communication connection with the sound source device; the wireless microphone is in wireless two-way communication connection with the wireless receiver.

In the wireless microphone system, the wireless microphone comprises the MCU, the pickup module, the transmission module, the antenna module, the receiving module and the audio output module, wherein the output end of the pickup module of the wireless microphone is connected to the input end of the transmission module of the wireless microphone, and the output end of the transmission module of the wireless microphone is connected to the input end of the antenna module of the wireless microphone; the output end of the wireless microphone antenna module is connected with the wireless microphone receiving module, and the output end of the wireless microphone receiving module is connected with the wireless microphone audio output module; the output end of the wireless microphone audio output module is connected with the playback equipment.

In the wireless microphone system, the wireless microphone comprises a human-computer interaction module and a pilot frequency module, and the output end of the human-computer interaction module of the wireless microphone is connected with the MCU; the control end of the wireless microphone transmitting module, the control end of the wireless microphone receiving module and the control end of the wireless microphone pilot frequency module are respectively connected with the CPU, and the output end of the wireless microphone pilot frequency module is connected with the wireless microphone transmitting module.

In the wireless microphone system, the wireless receiver comprises a CPU, an antenna module, a transmitting module, a receiving module, a sound processing module, an audio output module and an audio input module, wherein the input end of the receiving module of the wireless receiver is connected with the antenna module of the wireless receiver, and the output end of the receiving module of the wireless receiver is connected with the sound processing module; the output end of the sound effect processing module is connected with the wireless receiver transmitting module, and the output end of the wireless receiver transmitting module is connected with the wireless receiver antenna module; the input end of the audio input module of the wireless receiver is connected with the sound source equipment, and the output end of the audio input module of the wireless receiver is connected with the sound effect processing module; the output end of the audio output module of the wireless receiver is connected with the sound source equipment, and the input end of the audio output module of the wireless receiver is connected with the sound effect processing module.

In the wireless microphone system, the wireless receiver comprises a human-computer interaction module and a pilot frequency module, the input end of the pilot frequency module of the wireless receiver is connected with the receiving module of the wireless receiver, and the output end of the pilot frequency module of the wireless receiver is connected with the CPU; the output end of the wireless receiver man-machine interaction module is connected with the CPU, and the control end of the wireless receiver transmitting module, the control end of the wireless receiver receiving module and the control end of the effect processing module are respectively connected with the CPU.

In the wireless microphone system, the wireless microphone receives the processed mixed audio of the human voice and the background sound sent by the wireless receiver while completing the pickup of the human voice and sending the picked up voice to the wireless receiver, and simultaneously outputs the mixed audio to the playback equipment; after receiving the voice signal sent by the wireless microphone, the wireless receiver mixes the music on the sound source equipment through the sound effect processing module in the wireless receiver and then sends the music to the wireless microphone.

In the wireless microphone system, the wireless receiver sends the audio signal mixed by the sound effect processing module to the recording system in the sound source equipment.

The wireless microphone system adopts a duplex communication mode, so that sound effect control is conveniently carried out on the wireless receiver from the wireless microphone end, the singing effect is conveniently changed in real time, and the karaoke effect is good.

[ description of the drawings ]

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

Fig. 1 is a schematic block diagram of a wireless microphone system according to an embodiment of the present invention.

Fig. 2 is a schematic block diagram of a wireless microphone according to an embodiment of the present invention.

Fig. 3 is a functional block diagram of a wireless receiver according to an embodiment of the present invention.

[ detailed description of the invention ]

The principle of the wireless microphone system according to the embodiment of the present invention is shown in fig. 1 to 3.

As shown in fig. 1, the wireless microphone system comprises a wireless microphone, a playback device, a wireless receiver and a sound source device, wherein the input end of the playback device is connected with the wireless microphone, and the wireless receiver is in bidirectional communication connection with the sound source device; the wireless microphone is in wireless two-way communication connection with the wireless receiver.

The wireless microphone can receive the processed mixed audio of the human voice and the background sound sent by the wireless receiver while completing the voice pickup of the human voice and sending the voice to the wireless receiver, and simultaneously, the mixed audio is output to the playback equipment. That is, while the user sings with the microphone, the user can listen to the singing effect mixed with the background sound in real time by using the earphone connected to the microphone.

After receiving the voice signal sent by the wireless microphone, the wireless receiver mixes the music on the mobile terminal or other sound source equipment through the sound effect processing module in the wireless receiver and then sends the music to the wireless microphone. And simultaneously, the mixed audio is also sent to the mobile terminal or other recording equipment.

As shown in fig. 2, the wireless microphone includes an MCU, a sound pickup module, a transmission module, an antenna module, a receiving module, an audio output module, a human-computer interaction module, and a pilot module.

The output end of the wireless microphone pickup module is connected with the input end of the wireless microphone transmitting module, and the output end of the wireless microphone transmitting module is connected with the input end of the wireless microphone antenna module; the output end of the wireless microphone antenna module is connected with the wireless microphone receiving module, and the output end of the wireless microphone receiving module is connected with the wireless microphone audio output module; the output end of the wireless microphone audio output module is connected with the playback equipment.

The output end of the wireless microphone human-computer interaction module is connected with the MCU; the control end of the wireless microphone transmitting module, the control end of the wireless microphone receiving module and the control end of the wireless microphone pilot frequency module are respectively connected with the MCU, and the output end of the wireless microphone pilot frequency module is connected with the wireless microphone transmitting module.

The human-computer interaction module of the wireless microphone sends the control signal of the user to the MCU for analysis, and the MCU controls the pilot frequency module to generate a pilot frequency control signal, control the transmitting signal and the transmitting power of the transmitting module and control the receiving signal and the receiving sensitivity of the receiving module according to the control signal.

The pilot frequency control signal generated after the control of the MCU by the pilot frequency module, the human voice signal processed by the pilot frequency control signal and the sound pickup module are modulated into a transmitting signal by the transmitting module.

The transmitting module generates a transmitting signal under the control of the MCU, modulates the pilot control signal and the human voice signal together to form a modulated transmitting signal, transmits the modulated transmitting signal to the antenna module, and transmits the modulated transmitting signal out by the antenna module.

The receiving module generates a receiving signal under the control of the MCU, and demodulates the available radio frequency signal transmitted by the antenna module. And delivers the demodulated audio signal to an audio output and control module (audio output module).

The transmitting module and the receiving module share one antenna module, and the antenna module generally has a large bandwidth. The radio frequency ranges of transmission and reception may be covered. Meanwhile, the transmitting module and the receiving module are provided with independent filter circuits, so that frequency conflict between transmitting and receiving is avoided.

As shown in fig. 3, the wireless receiver includes a CPU, an antenna module, a transmitting module, a receiving module, a sound processing module, an audio output module, an audio input module, a human-computer interaction module, and a pilot frequency module.

The input end of the wireless receiver receiving module is connected with the wireless receiver antenna module, and the output end of the wireless receiver receiving module is connected with the sound effect processing module; the output end of the sound effect processing module is connected with the wireless receiver transmitting module, and the output end of the wireless receiver transmitting module is connected with the wireless receiver antenna module; the input end of the audio input module of the wireless receiver is connected with the sound source equipment, and the output end of the audio input module of the wireless receiver is connected with the sound effect processing module; the output end of the audio output module of the wireless receiver is connected with the sound source equipment, and the input end of the audio output module of the wireless receiver is connected with the sound effect processing module.

The input end of the wireless receiver pilot frequency module is connected with the wireless receiver receiving module, and the output end is connected with the CPU; the output end of the wireless receiver man-machine interaction module is connected with the CPU, and the control end of the wireless receiver transmitting module, the control end of the wireless receiver receiving module and the control end of the effect processing module are respectively connected with the CPU.

And the human-computer interaction module of the wireless receiver sends the control signal of the user to the CPU for analysis. The CPU controls the transmitting signal and transmitting power of the transmitting module, controls the receiving signal and receiving sensitivity of the receiving module and controls the sound effect processing module to generate different audio effects.

The receiving module generates a receiving signal for receiving through the control of the CPU, demodulates an available radio frequency signal transmitted by the antenna module, and transmits the demodulated audio signal to the audio output and control module; the receiving module transmits the demodulated signal to the pilot frequency module. The pilot module analyzes and processes the demodulated signal to generate an identifiable pilot control signal, and transmits the identifiable pilot control signal to the CPU. The CPU can control the sound effect processing module, the transmitting module and the receiving module according to the pilot control signal.

And the sound effect processing module is used for uniformly processing the audio signal transmitted by the receiving module, the sound source signal transmitted by the audio input and control module and the special effect audio signal generated by the sound effect processing module after being controlled by the CPU, and then the formed mixed audio is respectively transmitted to the audio output and control module (audio output module) and the transmitting module.

The audio output and control module transmits the mixed audio signal transmitted by the sound effect processing module.

The transmitting module generates a transmitting signal under the control of the CPU, modulates the mixed audio signal transmitted by the sound effect processing module to form a modulated transmitting signal, transmits the modulated transmitting signal to the antenna module, and transmits the modulated transmitting signal out by the antenna module.

The above embodiments of the present invention employ a wireless microphone system for duplex communication. The microphone breaks through the simplex communication limit of the traditional microphone, and the handheld wireless microphone and the wireless receiver have the functions of sending and receiving. The wireless karaoke environment in the real sense is realized.

The pilot control concept in the conventional wireless microphone system introduced by the above embodiment of the present invention can realize the accurate docking between the wireless microphone and the wireless receiver, and can control various sound effects of the wireless receiver from the wireless microphone end.

The wireless microphone system of the embodiment of the invention is not only a sound transmission device, but also can be used as a master control system for singing, so that a user can change the singing effect in real time according to personal requirements, and meanwhile, the real-time monitoring of the user can be realized, and the user can be shown on any social networking platform in a best-effort manner.

Claims (7)

1. A wireless microphone system is characterized by comprising a wireless microphone, a playback device, a wireless receiver and a sound source device, wherein the input end of the playback device is connected with the wireless microphone, and the wireless receiver is in two-way communication connection with the sound source device; the wireless microphone is in wireless two-way communication connection with the wireless receiver; the wireless microphone comprises an MCU, a pickup module, a transmitting module, an antenna module, a receiving module, an audio output module, a man-machine interaction module and a pilot frequency module, and the wireless receiver comprises a CPU, an antenna module, a transmitting module, a receiving module, a sound effect processing module, an audio output module, an audio input module, a man-machine interaction module and a pilot frequency module;

the human-computer interaction module of the wireless microphone sends a control signal of a user to the MCU for analysis, and the MCU controls the pilot frequency module of the wireless microphone to generate a pilot frequency control signal, controls the transmitting signal and the transmitting power of the transmitting module of the wireless microphone and controls the receiving signal and the receiving sensitivity of the receiving module of the wireless microphone according to the control signal; the pilot frequency module of the wireless microphone generates a pilot frequency control signal after being controlled by the MCU, and the pilot frequency control signal and the voice signal processed by the pickup module are modulated into a transmitting signal by the transmitting module of the wireless microphone; after a transmitting module of the wireless microphone generates a transmitting signal under the control of the MCU, modulating a pilot control signal and a human voice signal together to form a modulated transmitting signal, transmitting the modulated transmitting signal to an antenna module of the wireless microphone, and transmitting the modulated transmitting signal out by the antenna module of the wireless microphone;

a receiving module of the wireless receiver is controlled by a CPU to generate a receiving signal for receiving, demodulates a transmitting signal modulated by a wireless microphone transmitted by an antenna module of the wireless receiver and transmits a demodulated audio signal to a sound effect processing module of the wireless receiver; the receiving module of the wireless receiver simultaneously transmits the demodulated audio signal to the pilot frequency module, and the pilot frequency module of the wireless receiver analyzes and processes the demodulated signal to generate an identifiable pilot frequency control signal and transmits the identifiable pilot frequency control signal to the CPU; the CPU controls the sound effect processing module, the transmitting module and the receiving module of the wireless receiver according to the pilot control signal.

2. The wireless microphone system of claim 1, wherein the output of the wireless microphone pickup module is connected to the input of the wireless microphone transmitting module, and the output of the wireless microphone transmitting module is connected to the input of the wireless microphone antenna module; the output end of the wireless microphone antenna module is connected with the wireless microphone receiving module, and the output end of the wireless microphone receiving module is connected with the wireless microphone audio output module; the output end of the wireless microphone audio output module is connected with the playback equipment.

3. The wireless microphone system of claim 2, wherein the output end of the wireless microphone human-computer interaction module is connected with the MCU; the control end of the wireless microphone transmitting module, the control end of the wireless microphone receiving module and the control end of the wireless microphone pilot frequency module are respectively connected with the CPU, and the output end of the wireless microphone pilot frequency module is connected with the wireless microphone transmitting module.

4. The wireless microphone system of claim 1, wherein the input end of the wireless receiver receiving module is connected with the wireless receiver antenna module, and the output end is connected with the sound effect processing module; the output end of the sound effect processing module is connected with the wireless receiver transmitting module, and the output end of the wireless receiver transmitting module is connected with the wireless receiver antenna module; the input end of the audio input module of the wireless receiver is connected with the sound source equipment, and the output end of the audio input module of the wireless receiver is connected with the sound effect processing module; the output end of the audio output module of the wireless receiver is connected with the sound source equipment, and the input end of the audio output module of the wireless receiver is connected with the sound effect processing module.

5. The wireless microphone system of claim 4, wherein the input end of the wireless receiver pilot module is connected with the wireless receiver receiving module, and the output end is connected with the CPU; the output end of the wireless receiver man-machine interaction module is connected with the CPU, and the control end of the wireless receiver transmitting module, the control end of the wireless receiver receiving module and the control end of the effect processing module are respectively connected with the CPU.

6. The wireless microphone system of claim 1, wherein the wireless microphone receives the processed mixed audio of the human voice and the background sound transmitted from the wireless receiver while completing the human voice pickup and transmitting the voice to the wireless receiver, and outputs the mixed audio to the playback device; after receiving the voice signal sent by the wireless microphone, the wireless receiver mixes the music on the sound source equipment through the sound effect processing module in the wireless receiver and then sends the music to the wireless microphone.

7. The wireless microphone system as claimed in claim 6, wherein the wireless receiver transmits the audio signal mixed by the sound effect processing module to a recording system in the audio source device.

CN201611059743.1A 2016-11-23 2016-11-23 Wireless microphone system Active CN106658246B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN201611059743.1A CN106658246B (en) 2016-11-23 2016-11-23 Wireless microphone system
PCT/CN2017/089145 WO2018095023A1 (en) 2016-11-23 2017-06-20 Wireless microphone system

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Application Number Priority Date Filing Date Title
CN201611059743.1A CN106658246B (en) 2016-11-23 2016-11-23 Wireless microphone system

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Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106658246B (en) * 2016-11-23 2020-06-30 深圳市好兄弟电子有限公司 Wireless microphone system
CN107181991B (en) * 2017-07-06 2023-08-15 深圳市好兄弟电子有限公司 Wireless microphone and central control system of wireless microphone system

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004112036A (en) * 2002-09-13 2004-04-08 Toa Corp Wireless microphone
CN103281645A (en) * 2013-05-09 2013-09-04 北京昆腾微电子有限公司 Wireless headset and working method thereof
CN106028208A (en) * 2016-07-25 2016-10-12 北京塞宾科技有限公司 Wireless karaoke microphone headset
CN206313947U (en) * 2016-11-23 2017-07-07 深圳市好兄弟电子有限公司 A kind of wireless microphone system

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202587310U (en) * 2012-05-04 2012-12-05 厦门大学 Voice remote control microphone
CN104349247B (en) * 2014-10-28 2018-05-08 张炳翔 A kind of wireless microphone system based on RDS data communications
CN106658246B (en) * 2016-11-23 2020-06-30 深圳市好兄弟电子有限公司 Wireless microphone system

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004112036A (en) * 2002-09-13 2004-04-08 Toa Corp Wireless microphone
CN103281645A (en) * 2013-05-09 2013-09-04 北京昆腾微电子有限公司 Wireless headset and working method thereof
CN106028208A (en) * 2016-07-25 2016-10-12 北京塞宾科技有限公司 Wireless karaoke microphone headset
CN206313947U (en) * 2016-11-23 2017-07-07 深圳市好兄弟电子有限公司 A kind of wireless microphone system

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CN106658246A (en) 2017-05-10

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2017-05-10 PB01 Publication
2017-05-10 PB01 Publication
2017-06-06 SE01 Entry into force of request for substantive examination
2017-06-06 SE01 Entry into force of request for substantive examination
2020-06-30 GR01 Patent grant
2020-06-30 GR01 Patent grant
2023-12-08 PE01 Entry into force of the registration of the contract for pledge of patent right

Denomination of invention: A wireless microphone system

Effective date of registration: 20231120

Granted publication date: 20200630

Pledgee: Bank of Shanghai Limited by Share Ltd. Shenzhen branch

Pledgor: BBS ELECTRONICS Co.,Ltd.

Registration number: Y2023980066498

2023-12-08 PE01 Entry into force of the registration of the contract for pledge of patent right