CN102571116A - Full-duplex wireless microphone system - Google Patents
Full-duplex wireless microphone system Download PDFInfo
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- CN102571116A CN102571116A CN2010106194515A CN201010619451A CN102571116A CN 102571116 A CN102571116 A CN 102571116A CN 2010106194515 A CN2010106194515 A CN 2010106194515A CN 201010619451 A CN201010619451 A CN 201010619451A CN 102571116 A CN102571116 A CN 102571116A
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- blue tooth
- wireless blue
- microphone
- microprocessor
- full duplex
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Abstract
The invention provides a full-duplex wireless microphone system, which comprises a wireless Bluetooth microphone (11), and a wireless Bluetooth microphone receiver (12) which is connected with the wireless Bluetooth microphone (11) in a matched way. The wireless Bluetooth microphone receiver (12) comprises a Bluetooth transceiving module (121) which is used for receiving audio signals of the wireless Bluetooth microphone, a microprocessor (122) which is used for converting the audio signals into analog audio signals and connected with the Bluetooth transceiving module (121), and an audio output module (123) which is used for outputting the analog audio signals and connected with the microprocessor (122). The anti-interference performance of transmitting the audio signals in the wireless Bluetooth microphone system is effectively enhanced.
Description
Technical field
The present invention relates to a kind of wireless microphone system, relate in particular to a kind of full duplex radio microphone system.
Background technology
General wireless microphone; Form by some pocket transmitters and a concentrated receiver; Every pocket transmitter has a mutually different operating frequency; Concentrated receiver can receive the audio signal of the different operating frequency that the pocket transmitter of each sends simultaneously, is adapted to places such as stage or meeting-place.
A kind of multifunction wireless microphone and Headphone device are provided in Chinese patent ZL99245144, by reflector, receiver, changeover plug, the audio-frequency electric cable is formed.Series connection microphone and microphone signal amplifying circuit, preemphasis circuit and serial conversion switch in reflector.At serial conversion switch between the receiving demodulation circuit of receiver and the audio amplifier circuit and between power supply and the audio amplifier circuit.
At present, the tranmitting frequency of microphone generally is a FM frequency modulation frequency range, VHF (very high frequency(VHF)) 50MHz frequency range, VHF200MHz frequency range etc.Because of frequency is lower, transmission of audio signals receives the interference of various electromagnetism clutters easily.
Summary of the invention
In order to address the above problem, the purpose of this invention is to provide a kind of full duplex radio microphone system, effectively improved the anti-interference of wireless microphone system sound intermediate frequency signal transmission.
In order to achieve the above object; The present invention provides a kind of full duplex radio microphone system; Comprise: a wireless blue tooth microphone 11, and the wireless blue tooth microphone receiver 12 that is connected with said wireless blue tooth microphone 11 foundation couplings, said wireless blue tooth microphone receiver 12 comprises:
One is used to receive the bluetooth transceiver module 121 from the audio signal of said wireless blue tooth microphone 11;
One is used for said audio signal is converted into the microprocessor 122 of simulated audio signal, and said microprocessor 122 is connected with said bluetooth transceiver module 121;
One is used to export the audio frequency output module 123 of said simulated audio signal, and said audio frequency output module 123 is connected with said microprocessor 122.
Preferably, said bluetooth transceiver module 121 comprises: one is used for said audio signal is carried out the PCM pulse code modulation coding-decoding circuit of digitized processing.
Preferably; Said wireless blue tooth microphone receiver 12 also comprises: one is used for the said audio signal that said bluetooth transceiver module 121 receives is carried out the Bluetooth RF power amplifier 124 of processing and amplifying, and said Bluetooth RF power amplifier 124 is connected with said microprocessor 122 with said bluetooth transceiver module 121 respectively.
Preferably, said wireless blue tooth microphone receiver 12 also comprises: one is used for the power module 125 to said wireless blue tooth microphone receiver 12 power supplies, and said power module 125 is connected with said microprocessor 122.
Preferably, said wireless blue tooth microphone receiver 12 also comprises: a display screen 126, said display screen 126 is connected with said microprocessor 122.
Preferably, said display screen 126 is any one in resistive touch screen, capacitive touch screen, infrared type touch-screen and the surface acoustic wave type touch-screen.
Preferably, said wireless blue tooth microphone receiver 12 also comprises: one is used to store the memory module 127 of data, and said memory module 127 is connected with said microprocessor 122.
Preferably, said audio frequency output module 123 is connected with the input hole of the tuning control desk in stage or meeting-place.
Can know by technique scheme; The present invention has following beneficial effect: because the full duplex radio microphone system adopts Bluetooth technology to realize full duplex transmission; And effectively improved the anti-interference of wireless microphone system sound intermediate frequency signal transmission, also can increase the transmission of audio signals distance simultaneously.
Description of drawings
Fig. 1 is the structural representation of full duplex radio microphone system in the embodiments of the invention.
Embodiment
For the purpose, technical scheme and the advantage that make the embodiment of the invention is clearer,, the embodiment of the invention is done explanation in further detail below in conjunction with embodiment and accompanying drawing.At this, illustrative examples of the present invention and explanation are used to explain the present invention, but not as to qualification of the present invention.
Referring to Fig. 1; Structural representation for full duplex radio microphone system in the embodiments of the invention; This worker's wireless microphone system of enjoying a double blessing comprises: a wireless blue tooth microphone 11; And the wireless blue tooth microphone receiver 12 that is connected with these wireless blue tooth microphone 11 foundation couplings, this wireless blue tooth microphone receiver 12 comprises:
One is used to receive the bluetooth transceiver module 121 from the audio signal of wireless blue tooth microphone 11;
One is used for audio signal is converted into the microprocessor 122 of simulated audio signal, and this microprocessor 122 is connected with bluetooth transceiver module 121;
One is used to export the audio frequency output module 123 of said simulated audio signal, and audio frequency output module 123 is connected with microprocessor 122.
In the present embodiment, this wireless blue tooth microphone 11 can adopt the design of hardware and software of existing bluetooth earphone, for example adopts the earphone of supporting to possess the bluetooth handsfree function.
In the present embodiment, bluetooth transceiver module 121 comprises: one is used for audio signal is carried out PCM (pulse code modulation) coding-decoding circuit of digitized processing.
In the present embodiment; Wireless blue tooth microphone receiver 12 also comprises: one be used for that bluetooth transceiver module 121 is received audio signal carry out the Bluetooth RF power amplifier 124 of processing and amplifying, this Bluetooth RF power amplifier 124 is connected with microprocessor 122 with bluetooth transceiver module 121 respectively.
In the present embodiment, audio frequency output module 123 can be connected with the input hole of the tuning control desk in stage or meeting-place.
In the present embodiment; 11 pairs of wireless blue tooth microphones receive audio signal and carry out modulation treatment; Send to wireless blue tooth microphone receiver 12 through wireless network then, the bluetooth transceiver module 121 in the wireless blue tooth microphone receiver 12 is demodulated into the audio signal of PCM form with audio signal, carries out digital-to-analogue conversion through 122 pairs of audio signals of microprocessor then and handles; Convert digital audio and video signals into simulated audio signal, output to the tuning control desk through audio frequency output module 123 then.
In the present embodiment, wireless blue tooth microphone receiver 12 also comprises: one is used for the power module 125 to 12 power supplies of wireless blue tooth microphone receiver, and this power module 125 is connected with microprocessor 122.
This power module 125 can comprise other any assemblies that power management module, one or more power supply (for example battery, alternating current), charging circuit etc. are associated.
In the present embodiment, wireless blue tooth microphone receiver 12 also comprises: a display screen 126, display screen 126 is connected with microprocessor 122.This display screen 126 can be used for to the output of user's display of visually, and this visual output can comprise: text, figure, video and combination in any thereof.
In the present embodiment, display screen 126 can be in resistive touch screen, capacitive touch screen, infrared type touch-screen and the surface acoustic wave type touch-screen any one.
In the present embodiment, wireless blue tooth microphone receiver 12 also comprises: one is used to store the memory module 127 of data, and said memory module 127 is connected with said microprocessor 122.This memory module 127 can comprise the high speed random asccess memory, and can comprise nonvolatile memory, for example one or more disk storage devices, flash memory device or other non-volatile solid-state memory devices.
This microprocessor 123 can move various software program and/or the instruction set that are stored in the memory module 127, so that carry out the various functions of wireless blue tooth microphone receiver 12, and data is handled.
Can know by technique scheme; The present invention has following beneficial effect: because the full duplex radio microphone system adopts Bluetooth technology (for example adopting the 2.4GHz frequency range) to realize full duplex transmission; The anti-interference of wireless microphone system sound intermediate frequency signal transmission can be effectively improved, also the transmission of audio signals distance can be increased simultaneously.
The above only is a preferred implementation of the present invention; Should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention; Can also make some improvement and retouching, these improvement and retouching also should be regarded as protection scope of the present invention.
Claims (8)
1. full duplex radio microphone system; It is characterized in that; Comprise: a wireless blue tooth microphone (11), and the wireless blue tooth microphone receiver (12) that is connected with said wireless blue tooth microphone (11) foundation coupling, said wireless blue tooth microphone receiver (12) comprising:
One is used for receiving the bluetooth transceiver module (121) from the audio signal of said wireless blue tooth microphone (11);
One is used for said audio signal is converted into the microprocessor (122) of simulated audio signal, and said microprocessor (122) is connected with said bluetooth transceiver module (121);
One is used to export the audio frequency output module (123) of said simulated audio signal, and said audio frequency output module (123) is connected with said microprocessor (122).
2. full duplex radio microphone system according to claim 1 is characterized in that, said bluetooth transceiver module (121) comprising: one is used for said audio signal is carried out the PCM pulse code modulation coding-decoding circuit of digitized processing.
3. full duplex radio microphone system according to claim 2; It is characterized in that; Said wireless blue tooth microphone receiver (12) also comprises: one is used for the said audio signal that said bluetooth transceiver module (121) receives is carried out the Bluetooth RF power amplifier (124) of processing and amplifying, and said Bluetooth RF power amplifier (124) is connected with said microprocessor (122) with said bluetooth transceiver module (121) respectively.
4. full duplex radio microphone system according to claim 3; It is characterized in that; Said wireless blue tooth microphone receiver (12) also comprises: one is used for the power module (125) to said wireless blue tooth microphone receiver (12) power supply, and said power module (125) is connected with said microprocessor (122).
5. full duplex radio microphone system according to claim 4 is characterized in that, said wireless blue tooth microphone receiver (12) also comprises: a display screen (126), said display screen (126) is connected with said microprocessor (122).
6. full duplex radio microphone system according to claim 5 is characterized in that, said display screen (126) is any one in resistive touch screen, capacitive touch screen, infrared type touch-screen and the surface acoustic wave type touch-screen.
7. full duplex radio microphone system according to claim 5; It is characterized in that; Said wireless blue tooth microphone receiver (12) also comprises: one is used to store the memory module (127) of data, and said memory module (127) is connected with said microprocessor (122).
8. full duplex radio microphone system according to claim 7 is characterized in that, said audio frequency output module (123) is connected with the input hole of the tuning control desk in stage or meeting-place.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010106194515A CN102571116A (en) | 2010-12-31 | 2010-12-31 | Full-duplex wireless microphone system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010106194515A CN102571116A (en) | 2010-12-31 | 2010-12-31 | Full-duplex wireless microphone system |
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| Publication Number | Publication Date |
|---|---|
| CN102571116A true CN102571116A (en) | 2012-07-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2010106194515A Pending CN102571116A (en) | 2010-12-31 | 2010-12-31 | Full-duplex wireless microphone system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102761798A (en) * | 2012-07-31 | 2012-10-31 | 常保珠 | Teaching Bluetooth microphone |
| CN103237274A (en) * | 2013-03-28 | 2013-08-07 | 深圳市力同亚太科技有限公司 | Audio equipment, microphone and operating method thereof, and audio transmission system |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2757439Y (en) * | 2004-11-04 | 2006-02-08 | 金纯� | Blue teeth audio frequency adaptor |
| CN2888751Y (en) * | 2006-04-19 | 2007-04-11 | 韦文农 | A wireless audio transferring and receiving system |
| CN101009897A (en) * | 2006-01-27 | 2007-08-01 | 三星电子株式会社 | Apparatus and method for outputting audio data using wireless terminal |
| CN201134803Y (en) * | 2007-12-05 | 2008-10-15 | 新洋电子科技有限公司 | Bluetooth wireless microphone |
-
2010
- 2010-12-31 CN CN2010106194515A patent/CN102571116A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2757439Y (en) * | 2004-11-04 | 2006-02-08 | 金纯� | Blue teeth audio frequency adaptor |
| CN101009897A (en) * | 2006-01-27 | 2007-08-01 | 三星电子株式会社 | Apparatus and method for outputting audio data using wireless terminal |
| CN2888751Y (en) * | 2006-04-19 | 2007-04-11 | 韦文农 | A wireless audio transferring and receiving system |
| CN201134803Y (en) * | 2007-12-05 | 2008-10-15 | 新洋电子科技有限公司 | Bluetooth wireless microphone |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102761798A (en) * | 2012-07-31 | 2012-10-31 | 常保珠 | Teaching Bluetooth microphone |
| CN103237274A (en) * | 2013-03-28 | 2013-08-07 | 深圳市力同亚太科技有限公司 | Audio equipment, microphone and operating method thereof, and audio transmission system |
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Application publication date: 20120711 |