CN111510897A - Short-distance audio two-way data communication method using moving coil microphone core - Google Patents
Short-distance audio two-way data communication method using moving coil microphone core Download PDFInfo
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- CN111510897A CN111510897A CN202010291566.XA CN202010291566A CN111510897A CN 111510897 A CN111510897 A CN 111510897A CN 202010291566 A CN202010291566 A CN 202010291566A CN 111510897 A CN111510897 A CN 111510897A
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- 238000000034 method Methods 0.000 title claims abstract description 42
- 238000004891 communication Methods 0.000 title claims abstract description 26
- 230000005236 sound signal Effects 0.000 claims abstract description 124
- 238000005516 engineering process Methods 0.000 claims description 12
- 230000002457 bidirectional effect Effects 0.000 claims description 6
- 230000009977 dual effect Effects 0.000 claims description 6
- 230000003321 amplification Effects 0.000 description 3
- 238000003199 nucleic acid amplification method Methods 0.000 description 3
- 239000003990 capacitor Substances 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/80—Services using short range communication, e.g. near-field communication [NFC], radio-frequency identification [RFID] or low energy communication
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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
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/08—Mouthpieces; Microphones; Attachments therefor
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
- H04R9/08—Microphones
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/10—Frequency-modulated carrier systems, i.e. using frequency-shift keying
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/26—Devices for calling a subscriber
- H04M1/30—Devices which can set up and transmit only one digit at a time
- H04M1/50—Devices which can set up and transmit only one digit at a time by generating or selecting currents of predetermined frequencies or combinations of frequencies
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- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Computer Networks & Wireless Communication (AREA)
- Near-Field Transmission Systems (AREA)
Abstract
The invention provides a short-distance audio two-way data communication system and a method using a moving coil microphone core, comprising the following steps: first and second microphone means for receiving and transmitting audio signals; the first microphone device comprises a first audio signal transceiver and a first moving coil microphone core, wherein the first audio signal transceiver is in signal connection with the first moving coil microphone core, the first moving coil microphone core is used for picking up outside sound to convert the outside sound into a first audio signal, and the first audio signal transceiver is used for processing and sending the first audio signal. The invention provides a short-distance audio two-way data communication system and a method using a moving coil microphone core, wherein the moving coil microphone core realizes short-distance two-way communication by taking an audio signal as a carrier, does not need to add other hardware, is convenient to process, and solves the matching problem between microphones and between the microphones and receiving equipment.
Description
Technical Field
The invention relates to the technical field of audio bidirectional data communication, in particular to a short-distance audio bidirectional data communication method using a moving coil microphone core.
Background
In life, sound amplification, microphone pickup and sound amplification can be carried out in many places by using sound amplification equipment. The microphone also divide into wired microphone and wireless microphone, and wireless microphone does not have the constraint of cable for wired microphone, and is more convenient, and is very convenient to closely using, but wireless microphone and smart machine process when pairing is troublesome, need every microphone to pair one by one moreover, and the process is loaded down with trivial details.
Disclosure of Invention
The invention provides a short-distance audio two-way data communication system and a method using a moving coil microphone core, which solve the problem of complicated pairing process of a microphone and intelligent equipment and reduce the pairing steps and times of the microphone and the intelligent equipment.
In order to achieve the purpose, the invention provides the following technical scheme:
a short range audio two-way data communication system using a moving coil microphone comprising: first and second microphone means for receiving and transmitting audio signals;
the first microphone device comprises a first audio signal transceiver and a first moving coil microphone core, wherein the first audio signal transceiver is in signal connection with the first moving coil microphone core, the first moving coil microphone core is used for picking up outside sound to convert the outside sound into a first audio signal, and the first audio signal transceiver is used for processing and transmitting the first audio signal;
the second microphone device comprises a second audio signal transceiver and a pickup device, the second audio signal transceiver is in signal connection with the pickup device, the pickup device is used for picking up external sounds to convert the external sounds into second audio signals, and the second audio signal transceiver is used for processing and sending the second audio signals.
Preferably, the first audio signal transceiver and the second audio signal transceiver both use FSK (frequency shift keying) or DTMF (dual tone multi frequency) modulation.
Preferably, the first audio signal transceiver comprises a first encoder and a first decoder, and the second audio signal transceiver comprises a second encoder and a second encoder;
the first encoder is used for receiving a first audio signal produced by the first moving coil microphone, processing the first audio signal into a first coding signal and then sending the first coding signal to the second decoder;
the second decoder is used for receiving the first coding signal and decoding the first coding signal to generate a second coding signal.
Preferably, the second encoder is configured to receive a second audio signal generated by the sound pickup apparatus, process the second audio signal into a second encoded signal, and send the second encoded signal to the first decoder;
the first decoder is used for receiving the second coding signal and decoding the second coding signal to generate a first coding signal.
Preferably, the first encoder and the first decoder are separately disposed on two chips, or are integrated on the same chip through CMOS technology;
the second encoder and the second decoder are separately provided on two chips or integrated on the same chip by CMOS technology.
The invention also provides a short-distance audio two-way data communication method using the moving coil microphone core, which comprises a first microphone device and a second microphone device, wherein the first microphone device comprises a first audio signal transceiver and a first moving coil microphone core, and the first audio signal transceiver is in signal connection with the first moving coil microphone core; the second microphone device comprises a second audio signal transceiver and a pickup device, wherein the second audio signal transceiver is in signal connection with the pickup device, and the method comprises the following steps:
s1, the first microphone device and the second microphone device are used for receiving and sending audio signals;
s2, the first moving coil microphone picks up the external sound to convert it into a first audio signal, and the first audio signal transceiver processes and transmits the first audio signal;
and S3, the sound pickup device picks up outside sound to convert the outside sound into a second audio signal, and the second audio signal transceiver processes and sends the second audio signal.
Preferably, the first audio signal transceiver and the second audio signal transceiver both use FSK (frequency shift keying) or DTMF (dual tone multi frequency) modulation.
Preferably, the first audio signal transceiver includes a first encoder and a first decoder, the second audio signal transceiver includes a second encoder and a second decoder, and the step S3 specifically includes the steps of:
s311, the first encoder receives a first audio signal produced by the first moving coil microphone, processes the first audio signal into a first coding signal, and then sends the first coding signal to the second decoder;
s312, the second decoder receives the first coding signal and generates a second coding signal after decoding processing is carried out on the first coding signal.
Preferably, the step S3 specifically includes the steps of:
s321, the second encoder receives a second audio signal produced by the pickup device, processes the second audio signal into a second encoded signal, and then sends the second encoded signal to the first decoder;
and S322, the first decoder receives the second coded signal and generates a first coded signal after decoding the second coded signal.
Preferably, the first encoder and the first decoder are separately disposed on two chips, or are integrated on the same chip through CMOS technology;
the second encoder and the second decoder are separately provided on two chips or integrated on the same chip by CMOS technology.
Through implementing above technical scheme, have following technological effect: according to the short-distance audio two-way data communication system and method using the moving coil microphone core, the moving coil microphone core takes the audio signal as the carrier, short-distance two-way communication is achieved, other hardware is not needed to be added, processing is convenient, the complex process of pairing the microphone and intelligent equipment is solved, and the pairing steps and times of the microphone and the intelligent equipment are reduced.
Drawings
Fig. 1 is a block diagram of a short-distance audio two-way data communication system of a moving-coil microphone according to the present invention.
Detailed Description
In order to better understand the technical scheme of the invention, the following detailed description is made on the embodiments provided by the invention in combination with the accompanying drawings.
A short range audio two-way data communication system using a moving coil microphone comprising: first and second microphone means for receiving and transmitting audio signals; the first microphone device comprises a first audio signal transceiver and a first moving coil microphone core, wherein the first audio signal transceiver is in signal connection with the first moving coil microphone core, the first moving coil microphone core is used for picking up outside sound to convert the outside sound into a first audio signal, and the first audio signal transceiver is used for processing and transmitting the first audio signal;
the second microphone device comprises a second audio signal transceiver and a pickup device, the second audio signal transceiver is in signal connection with the pickup device, the pickup device is used for picking up external sounds to convert the external sounds into second audio signals, and the second audio signal transceiver is used for processing and sending the second audio signals. The first microphone device and the second microphone device realize audio two-way data communication between the two microphone devices through the moving coil microphone cores and the audio signal transceiver inside the first microphone device and the second microphone device, the moving coil microphone cores are carriers through audio signals, short-distance two-way communication is realized through the audio signal transceiver, other hardware is not needed to be added, the processing is convenient, only one microphone and intelligent equipment are used for completing hand-holding pairing, other microphones can be used for pairing through an audio two-way data communication system and method, the complex process of pairing the microphone and the intelligent equipment is solved, and the pairing steps and times of the microphone and the equipment are reduced.
In this embodiment, in another embodiment, the sound pickup apparatus may specifically be a moving coil microphone, a capacitor microphone, or a microphone and speaker apparatus, and both the first audio signal transceiver and the second audio signal transceiver adopt an FSK (frequency shift keying) or DTMF (dual tone multi frequency) modulation method.
On the basis of the foregoing embodiments, in other embodiments, further to the above, the first audio signal transceiver includes a first encoder and a first decoder, and the second audio signal transceiver includes a second encoder and a second decoder;
the first encoder is used for receiving a first audio signal produced by the first moving coil microphone, processing the first audio signal into a first coding signal and then sending the first coding signal to the second decoder;
the second decoder is used for receiving the first coding signal and decoding the first coding signal to generate a second coding signal.
On the basis of the foregoing embodiments, in other embodiments, it is preferable that the second encoder is configured to receive a second audio signal generated by the sound pickup apparatus, process the second audio signal into a second encoded signal, and then send the second encoded signal to the first decoder;
the first decoder is used for receiving the second coding signal and decoding the second coding signal to generate a first coding signal.
On the basis of the above embodiments, in other embodiments, further, the first encoder and the first decoder are separately disposed on two chips, or are integrated on the same chip through CMOS technology;
the second encoder and the second decoder are separately provided on two chips or integrated on the same chip by CMOS technology.
The invention also provides a short-distance audio two-way data communication method using the moving coil microphone core, which comprises a first microphone device and a second microphone device, wherein the first microphone device comprises a first audio signal transceiver and a first moving coil microphone core, and the first audio signal transceiver is in signal connection with the first moving coil microphone core; the second microphone device comprises a second audio signal transceiver and a pickup device, wherein the second audio signal transceiver is in signal connection with the pickup device, and the method comprises the following steps:
s1, the first microphone device and the second microphone device are used for receiving and sending audio signals;
s2, the first moving coil microphone picks up the external sound to convert it into a first audio signal, and the first audio signal transceiver processes and transmits the first audio signal;
and S3, the sound pickup device picks up outside sound to convert the outside sound into a second audio signal, and the second audio signal transceiver processes and sends the second audio signal.
Preferably, the first audio signal transceiver and the second audio signal transceiver are dual tone multi frequency codecs (DTMF).
Preferably, the first audio signal transceiver includes a first encoder and a first decoder, the second audio signal transceiver includes a second encoder and a second encoder, and the step S3 specifically includes the steps of:
s311, the first encoder receives a first audio signal produced by the first moving coil microphone, processes the first audio signal into a first coding signal, and then sends the first coding signal to the second decoder;
s312, the second decoder receives the first coding signal and generates a second coding signal after decoding processing is carried out on the first coding signal.
In this embodiment, preferably, in the step S3, the method specifically includes the steps of:
s321, the second encoder receives a second audio signal produced by the pickup device, processes the second audio signal into a second encoded signal, and then sends the second encoded signal to the first decoder;
and S322, the first decoder receives the second coded signal and generates a first coded signal after decoding the second coded signal.
In this embodiment, specifically, the first encoder and the first decoder are separately disposed on two chips, or are integrated on the same chip through a CMOS technology; the second encoder and the second decoder are separately provided on two chips or integrated on the same chip by CMOS technology.
While the foregoing has described in detail the short-range audio bidirectional data communication system and method using a moving-coil microphone according to the embodiments of the present invention, those skilled in the art will appreciate that the various modifications and variations can be made to the present invention without departing from the spirit and scope of the invention.
Claims (10)
1. A short range audio two-way data communication system using a moving coil microphone comprising: first and second microphone means for receiving and transmitting audio signals;
the first microphone device comprises a first audio signal transceiver and a first moving coil microphone core, wherein the first audio signal transceiver is in signal connection with the first moving coil microphone core, the first moving coil microphone core is used for picking up outside sound to convert the outside sound into a first audio signal, and the first audio signal transceiver is used for processing and transmitting the first audio signal;
the second microphone device comprises a second audio signal transceiver and a pickup device, the second audio signal transceiver is in signal connection with the pickup device, the pickup device is used for picking up external sounds to convert the external sounds into second audio signals, and the second audio signal transceiver is used for processing and sending the second audio signals.
2. The system of claim 1, wherein the first and second audio signal transceivers each employ FSK (frequency shift keying) or DTMF (dual tone multi frequency) modulation.
3. The system of claim 2, wherein the first audio signal transceiver comprises a first encoder and a first decoder, and the second audio signal transceiver comprises a second encoder and a second decoder;
the first encoder is used for receiving a first audio signal produced by the first moving coil microphone, processing the first audio signal into a first coding signal and then sending the first coding signal to the second decoder;
the second decoder is used for receiving the first coding signal and decoding the first coding signal to generate a second coding signal.
4. The short-range audio bi-directional data communication system using a moving-coil microphone according to claim 2, wherein;
the second encoder is used for receiving a second audio signal produced by the second moving coil microphone, processing the second audio signal into a second coded signal and then sending the second coded signal to the first decoder;
the first decoder is used for receiving the second coding signal and decoding the second coding signal to generate a first coding signal.
5. The short-range audio bidirectional data communication system using a moving-coil microphone chip as claimed in claim 3, wherein the first encoder and the first decoder are separately provided on two chips or are integrated on the same chip through CMOS technology;
the second encoder and the second decoder are separately provided on two chips or integrated on the same chip by CMOS technology.
6. A short-distance audio two-way data communication method using a moving-coil microphone core is characterized by comprising a first microphone device and a second microphone device, wherein the first microphone device comprises a first audio signal transceiver and a first moving-coil microphone core, and the first audio signal transceiver is in signal connection with the first moving-coil microphone core; the second microphone device comprises a second audio signal transceiver and a pickup device, wherein the second audio signal transceiver is in signal connection with the pickup device, and the method comprises the following steps:
s1, the first microphone device and the second microphone device are used for receiving and sending audio signals;
s2, the first moving coil microphone picks up the external sound to convert it into a first audio signal, and the first audio signal transceiver processes and transmits the first audio signal;
and S3, the sound pickup device picks up outside sound to convert the outside sound into a second audio signal, and the second audio signal transceiver processes and sends the second audio signal.
7. The method of claim 6, wherein the first audio signal transceiver and the second audio signal transceiver each employ FSK (frequency shift keying) or DTMF (dual tone multi frequency) modulation.
8. The method for short-range audio bidirectional data communication using a moving-coil microphone according to claim 7, wherein the first audio signal transceiver includes a first encoder and a first decoder, and the second audio signal transceiver includes a second encoder and a second decoder, and wherein in the step S3, the method specifically includes the steps of:
s311, the first encoder receives a first audio signal produced by the first moving coil microphone, processes the first audio signal into a first coding signal, and then sends the first coding signal to the second decoder;
s312, the second decoder receives the first coding signal and generates a second coding signal after decoding processing is carried out on the first coding signal.
9. The method for short-range audio bi-directional data communication using a moving-coil microphone according to claim 8, wherein the step S3 specifically comprises the steps of:
s321, the second encoder receives a second audio signal produced by the pickup device, processes the second audio signal into a second encoded signal, and then sends the second encoded signal to the first decoder;
and S322, the first decoder receives the second coded signal and generates a first coded signal after decoding the second coded signal.
10. The short-range audio bidirectional data communication method using a moving-coil microphone chip as claimed in claim 8, wherein the first encoder and the first decoder are separately provided on two chips or are integrated on the same chip through CMOS technology;
the second encoder and the second decoder are separately provided on two chips or integrated on the same chip by CMOS technology.
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| CN202010291566.XA CN111510897A (en) | 2020-04-14 | 2020-04-14 | Short-distance audio two-way data communication method using moving coil microphone core |
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| CN202010291566.XA CN111510897A (en) | 2020-04-14 | 2020-04-14 | Short-distance audio two-way data communication method using moving coil microphone core |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20120163646A1 (en) * | 2010-12-23 | 2012-06-28 | Mipro Electronics Co., Ltd. | Wireless microphone |
| US20150207560A1 (en) * | 2014-01-21 | 2015-07-23 | Jts Professional Co., Ltd. | Wireless microphone based communications system |
| CN205320229U (en) * | 2015-08-17 | 2016-06-15 | 徐文波 | Microphone |
| CN206149441U (en) * | 2016-08-25 | 2017-05-03 | 徐文波 | Cell -phone microphone |
| CN206149261U (en) * | 2016-09-14 | 2017-05-03 | 徐文波 | Changeable audio equipment of wireless receiving and dispatching |
| CN109076273A (en) * | 2016-05-04 | 2018-12-21 | D&L高科技有限公司 | Bluetooth microphone |
-
2020
- 2020-04-14 CN CN202010291566.XA patent/CN111510897A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20120163646A1 (en) * | 2010-12-23 | 2012-06-28 | Mipro Electronics Co., Ltd. | Wireless microphone |
| US20150207560A1 (en) * | 2014-01-21 | 2015-07-23 | Jts Professional Co., Ltd. | Wireless microphone based communications system |
| CN205320229U (en) * | 2015-08-17 | 2016-06-15 | 徐文波 | Microphone |
| CN109076273A (en) * | 2016-05-04 | 2018-12-21 | D&L高科技有限公司 | Bluetooth microphone |
| CN206149441U (en) * | 2016-08-25 | 2017-05-03 | 徐文波 | Cell -phone microphone |
| CN206149261U (en) * | 2016-09-14 | 2017-05-03 | 徐文波 | Changeable audio equipment of wireless receiving and dispatching |
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