CN217825254U

CN217825254U - Full-automatic wireless microphone system

Info

Publication number: CN217825254U
Application number: CN202221073885.4U
Authority: CN
Inventors: 周湘源
Original assignee: Enping Yeamic Electronic Co ltd
Current assignee: Enping Yeamic Electronic Co ltd
Priority date: 2022-05-06
Filing date: 2022-05-06
Publication date: 2022-11-15
Anticipated expiration: 2032-05-06

Abstract

The utility model discloses a full-automatic wireless microphone system, including transmitter and receiver, the transmitter includes first adapter and transmitter main circuit, first adapter with transmitter main circuit connects, transmitter main circuit is used for fixing to the transmission of predetermined public channel after the start-up and pairs the request signal, first adapter is used for picking up the signaling sound wave; the receiver comprises a receiver main circuit and a signaling loudspeaker, the receiver main circuit is connected with the signaling loudspeaker, the receiver main circuit is used for being fixed to the public channel after the receiver main circuit is started to receive the pairing request signal and drive the signaling loudspeaker to be started, the signaling loudspeaker is used for sending signaling sound waves to enable the first sound pick-up to pick up the signaling sound waves, the transmitter and the receiver can realize a frequency alignment function through presetting the public channel, key triggering is not needed, the full automation of a frequency alignment process is realized, and the operation is simple and convenient.

Description

Full-automatic wireless microphone system

Technical Field

The utility model relates to a wireless communication technical field, in particular to full-automatic wireless microphone system.

Background

Due to the convenience in the use process, the wireless microphone system has a very wide application in the daily life of people, the wireless microphone system comprises a transmitter and a receiver, the wireless microphone system is multi-channel and is provided with a plurality of channels (frequencies) for receiving and transmitting wireless signals, and the transmitter and the receiver carry out audio signal transmission through a designated working channel. In order to ensure the normal operation of the wireless microphone system, the transmitter and the receiver need to perform frequency alignment, that is, the process of synchronizing the transmitting frequency and the receiving frequency needs to be completed, the wireless microphone system in the related art generally needs to trigger a frequency alignment function through a key, the operation is relatively complex, an infrared frequency alignment mode is generally used in the prior art, and in the frequency alignment process, the spatial position angle of the transmitter and the receiver has certain requirements, and the operation difficulty is relatively high.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a full-automatic wireless microphone system, through predetermineeing public channel, transmitter and receiver start can realize the function frequently, need not the button and trigger, have realized the full automation to the process frequently, and easy operation is convenient.

The embodiment of the utility model provides a full-automatic wireless microphone system, including transmitter and receiver, the transmitter includes first adapter and transmitter main circuit, first adapter with transmitter main circuit connects, transmitter main circuit is used for fixing to the transmission pairing request signal of predetermined public channel after the start, first adapter is used for picking up the signaling sound wave; the receiver comprises a receiver main circuit and a signaling loudspeaker, the receiver main circuit is connected with the signaling loudspeaker, the receiver main circuit is used for being fixed to the public channel after being started to receive the pairing request signal and driving the signaling loudspeaker to be started, and the signaling loudspeaker is used for emitting signaling sound waves to enable the first sound pickup to pick up the signals.

According to the utility model provides a full-automatic wireless microphone system has following beneficial effect at least: the common channel is used as a channel for initial communication between the transmitter and the receiver, a main circuit of the transmitter is fixed to the common channel to transmit a pairing request signal after being started, a main circuit of the receiver is also fixed to the common channel for standby after being started, after the receiver receives the pairing request signal from the transmitter, a signaling loudspeaker is driven to be started, the signaling loudspeaker sends a signaling sound wave, a first sound pickup in a coverage range picks up the signaling sound wave, so that the transmitter and the receiver complete a frequency pairing process, the transmitter and the receiver can automatically realize a frequency pairing function by presetting the common channel without key triggering, the full automation of the frequency pairing process is realized, the operation is simple and convenient, in addition, the frequency pairing is carried out by utilizing the signaling sound wave, the propagation range is large, in the frequency pairing process, the arrangement positions of the transmitter and the receiver are not required to be limited, the operation difficulty is greatly reduced, and the use experience of a user is improved.

According to some embodiments of the utility model, the transmitter still includes the filter circuit frequently, the filter circuit frequently select respectively with first adapter with transmitter owner circuit connection, the filter circuit frequently is used for right the signaling sound wave carries out the sound wave and decodes the processing.

According to some embodiments of the present invention, the signaling sound wave includes a first data instruction, the transmitter main circuit includes a first microprocessor, the frequency-selective filter circuit is connected to the first microprocessor, the frequency-selective filter circuit is further used for inputting the first data instruction to the first microprocessor.

According to some embodiments of the present invention, the transmitter further comprises a transmitting antenna, the transmitting antenna and the transmitter main circuit are connected, the transmitting antenna is used for transmitting the acoustic radio frequency signal to the receiver.

According to some embodiments of the present invention, the receiver further comprises a receiving antenna, the receiving antenna is connected to the receiver main circuit, and the receiving antenna is used for receiving the acoustic radio frequency signal.

According to some embodiments of the utility model, the transaudient radio frequency signal includes the second data instruction, the receiver main circuit still is used for right the transaudient radio frequency signal carries out demodulation processing, the receiver main circuit includes second microprocessor, second microprocessor with the signaling loudspeaker is connected.

According to some embodiments of the present invention, the receiver further comprises an audio output circuit, the audio output circuit being connected to the receiver main circuit.

According to some embodiments of the invention, the first pickup is further for picking up an acoustic audio signal.

According to some embodiments of the present invention, the transmitter is further provided with a second microphone for picking up an acoustic audio signal, the second microphone being connected to the transmitter main circuit.

According to some embodiments of the invention, the receiver main circuit is further configured to perform idle channel scanning and select a current best channel in a standby state.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

Additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a schematic structural diagram of a full-automatic wireless microphone system according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a fully automatic wireless microphone system according to some embodiments of the present invention;

fig. 3 is a schematic structural diagram of a fully automatic wireless microphone system according to some embodiments of the present invention;

fig. 4 is a schematic circuit diagram of a first microprocessor according to an embodiment of the present invention;

fig. 5 is a circuit schematic of a second microprocessor according to an embodiment of the invention;

fig. 6 is a schematic structural diagram of a fully automatic wireless microphone system according to some embodiments of the present invention.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, a plurality of means are one or more, a plurality of means are two or more, and the terms greater than, less than, exceeding, etc. are understood as not including the number, and the terms greater than, less than, within, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.

As shown in fig. 1, an embodiment of the present invention provides a full-automatic wireless microphone system, including a transmitter 100 and a receiver 200, where the transmitter 100 includes a first sound pickup 110 and a transmitter main circuit 120, the first sound pickup 110 is connected to the transmitter main circuit 120, the transmitter main circuit 120 is configured to be fixed to a preset public channel after being turned on to transmit a pairing request signal, and the first sound pickup 110 is configured to pick up a signaling sound wave; the receiver 200 comprises a receiver main circuit 210 and a signaling loudspeaker 220, wherein the receiver main circuit 210 is connected with the signaling loudspeaker 220, the receiver main circuit 210 is used for being fixed to a public channel after being powered on to receive a pairing request signal and driving the signaling loudspeaker 220 to be turned on, and the signaling loudspeaker 220 is used for emitting signaling sound waves to enable the first sound pickup 110 to pick up.

According to the utility model provides a full-automatic wireless microphone system, the channel of initial communication of common channel conduct transmitter 100 and receiver 200, transmitter main circuit 120 is fixed to the common channel transmission after the start and pairs the request signal, receiver main circuit 210 is fixed to the common channel standby equally after the start, after receiver 200 receives the pairing request signal from transmitter 100, drive signaling speaker 220 and open, signaling speaker 220 sends the signaling sound wave, first adapter 110 that is in the coverage picks up the signaling sound wave, make transmitter 100 and receiver 200 accomplish the process of checking frequency, through predetermineeing the common channel, transmitter 100 and receiver 200 start can realize the function of checking frequency automatically, need not the button to trigger, the complete automation of the process of checking frequency has been realized, and is simple and convenient for operation, in addition, check frequency through utilizing the signaling sound wave, the propagation range is big, in the process of checking frequency, need not to restrict the locating position of transmitter 100 and receiver 200, greatly reduced the operation degree of difficulty, be favorable to improving user's use experience.

It should be noted that, after the transmitter 100 and the receiver 200 are connected to the frequency domain, that is, after the process of synchronizing the transmitting frequency and the receiving frequency is completed, the transmission of the audio signal may be performed on the designated operating channel (or operating frequency), which may also be referred to as a sound transmission process.

The infrared frequency-alignment mode used in the prior art usually needs to set an infrared transmitting head at the receiver 200, and an infrared receiving head is set at the transmitter 100, and the frequency-alignment is performed by using infrared signals, because the infrared transmitting head and the infrared receiving head both have obvious directivity, a certain included angle exists between the transmitting range and the receiving range, both sides need to be in a certain angle range and a certain distance range to normally align the frequency, so that the spatial position angle of the transmitter 100 and the receiver 200 has certain requirements. Be different from prior art's infrared mode of frequently, the embodiment of the utility model provides a signaling speaker 220 and first adapter 110 that the cost is lower are set up, because the signaling sound wave is towards the propagation of all sides, there is not obvious directionality, greatly reduced the requirement to the spatial position angle of wireless microphone system, in addition, the signaling sound wave can be diffracted and propagated, so even there is the object to shelter from between transmitter 100 and the receiver 200 and also can accomplish the process of frequently, the operation degree of difficulty to frequently is showing and is reducing, can adapt to the environment better, be favorable to promoting the success rate to frequently, possess good user experience and feel.

It should be noted that the signaling sound wave emitted by the signaling speaker 220 may be an audible sound wave or an ultrasonic wave, and the embodiment of the present invention is not particularly limited.

It is understood that the common channel is a channel defined by the design of the wireless microphone system, and may also be referred to as a default transmission channel or information sink, and is distinguished from an operating channel used by the wireless microphone system during the voice transmission process.

After the common channel is defined, all transmitters 100 of the same design transmit an acoustic rf signal through the common channel after the initial preparation is completed at power-on, and similarly, the receivers 200 are fixed to the common channel after power-on to receive the acoustic rf signal from the transmitter 100, wherein the pairing request signal is mixed in the acoustic rf signal, which can be understood as that the transmitter 100 broadcasts the pairing request signal through the common channel, and one or more receivers 200 in the coverage area of the acoustic rf signal can respond accordingly after receiving the pairing request signal, for example, drive the signaling speaker 220 to emit a signaling sound wave. It should be noted that there may be other receivers 200 within the coverage of the acoustic rf signal, but these receivers 200 are already paired with other transmitters 100 and in the acoustic process, and the acoustic process and the frequency-pair process do not affect each other.

It should be noted that the process of mixing the pairing request signals may also be referred to as a modulation process, and for example, amplitude Shift Keying (ASK), frequency Shift Keying (FSK), phase Shift Keying (PSK), or other methods may be selected for modulation.

One or more common channels can be defined, and if the common channels are defined to be a plurality of channels, the broadcasting and the inquiring are carried out alternately among the plurality of common channels.

It can be understood that the frequency-aligning process is completed only in a short time each time the transmitter 100 is turned on, the signaling speaker 220 briefly emits signaling sound waves during the frequency-aligning process, and after the frequency-aligning process is completed, the signaling speaker 220 is no longer required to emit signaling sound waves, and then the wireless microphone system starts the sound transmission process.

It should be noted that the essence of the present invention is to improve the composition and connection relationship of the hardware components, and does not involve improvement of the software program itself.

As shown in fig. 2, according to some embodiments of the present invention, the transmitter 100 further includes a frequency-selecting filter circuit 130, the frequency-selecting filter circuit 130 is connected to the first sound pickup 110 and the transmitter main circuit 120, respectively, and the frequency-selecting filter circuit 130 is used for performing sound wave decoding processing on the signaling sound wave.

It should be noted that the frequency-selective filter circuit 130 is disposed between the first sound pickup 110 and the transmitter main circuit 120, and when the first sound pickup 110 receives a signaling sound wave containing a data instruction, the frequency-selective filter circuit 130 performs sound wave decoding processing to obtain the data instruction, and then sends the data instruction to the transmitter main circuit 120, so that the transmitter main circuit 120 can transmit a sound-transmitting radio frequency signal to a designated working channel.

As shown in fig. 3, according to some embodiments of the present invention, the signaling sound wave includes a first data instruction, the transmitter main circuit 120 includes a first microprocessor 121, the frequency-selective filter circuit 130 is connected to the first microprocessor 121, and the frequency-selective filter circuit 130 is further configured to input the first data instruction to the first microprocessor 121.

It is understood that the first data instruction is mixed in the signaling sound wave, the transmitter 100 located near the receiver 200 performs sound wave decoding processing through the frequency-selective filter circuit 130 after receiving the signaling sound wave to obtain the first data instruction, and inputs the first data instruction into the first microprocessor 121, and the first microprocessor 121 may instruct the transmitter 100 to turn to an appropriate operating channel.

It should be noted that the first sound pickup 110 receives the signaling sound wave from the signaling speaker 220 by mixing the first data command into the signaling sound wave, thereby establishing a first data channel from the receiver 200 to the transmitter 100. The first data instructions include, but are not limited to, the following instructions: the number of the currently available channel, the corresponding related parameters (frequency value, etc.) of the receiver 200, whether the transmitter 100 is required to go to the specified available channel for radio frequency transmission, and whether the pairing is successful. According to the above instructions, the transmitter 100 may determine the following information: which is the available channel designated by the receiver 200? Is receiver 200 received my fixed number or random number on an available channel? Is there a receiver 200 receiving my pairing request nearby? Is the receiver 200 ready for pairing? For example, the first data command includes a pairing confirmation signal, and after the receiver 200 receives the pairing request signal of the transmitter 100, the signaling speaker 220 feeds back the pairing confirmation signal to the transmitter 100, so that it can be determined that the frequency pairing process between the transmitter 100 and the receiver 200 is completed, and after that, the signaling speaker 220 no longer needs to send out the signaling sound wave.

As shown in fig. 2 and 3, according to some embodiments of the present invention, the transmitter 100 further includes a transmitting antenna 140, the transmitting antenna 140 is connected to the transmitter main circuit 120, and the transmitting antenna 140 is used for transmitting the acoustic rf signal to the receiver 200.

It should be noted that the transmitting antenna 140 is connected to the transmitter main circuit 120, the transmitter main circuit 120 outputs the acoustic rf signal and transmits the acoustic rf signal to the space through the transmitting antenna 140, and the receiver 200 in the coverage of the acoustic rf signal receives the acoustic rf signal.

If the frequency is in the frequency matching process, transmitting the acoustic radio-frequency signals through a public channel; if the system is in the sound transmission process, the sound transmission radio frequency signal is transmitted through the appointed working channel.

As shown in fig. 2 and 3, according to some embodiments of the present invention, the receiver 200 further includes a receiving antenna 230, the receiving antenna 230 is connected to the receiver main circuit 210, and the receiving antenna 230 is used for receiving the acoustic rf signal.

The receiver 200 is provided with a receiving antenna 230, and the receiving antenna 230 is used for receiving the acoustic radio frequency signal from the transmitter 100 and inputting the acoustic radio frequency signal to the receiver main circuit 210, so that the receiver 200 performs a normal operation process.

As shown in fig. 3, according to some embodiments of the present invention, the acoustic rf signal includes a second data instruction, the receiver main circuit 210 is further configured to demodulate the acoustic rf signal, the receiver main circuit 210 includes a second microprocessor 211, and the second microprocessor 211 is connected to the signaling speaker 220.

It should be noted that the second data instruction is mixed in the sound transmission radio frequency signal, the receiver main circuit 210 obtains the second data instruction by demodulating the sound transmission radio frequency signal, the second data instruction is input to the second microprocessor 211, and the second microprocessor 211 is connected to the signaling speaker 220, so that the signaling speaker 220 can be controlled to be turned on and send out a signaling sound wave.

By mixing the second data command for control into the acoustic rf signal, the acoustic rf signal from the transmitting antenna 140 is received by the receiving antenna 230, thereby establishing a second data channel from the transmitter 100 to the receiver 200. The second data instructions include, but are not limited to, the following instructions: the fixed number or random number of the transmitter 100 that sent the pairing request, and whether the microphone is powered off. Based on the instructions, receiver 200 may determine the following information: is there a microphone to make a pairing request? What is the fixed or random number of the microphone? Is transmitter 100 in the process of transmitting sound required to enter the shutdown process? For example, the second data instruction includes a pairing request signal, and after receiving the pairing request signal, the receiver 200 may drive the signaling speaker 220 to emit a signaling sound wave, or the second data instruction includes a power-off instruction, and after receiving the power-off instruction of the transmitter 100, the receiver 200 will end the connection, that is, the pairing connection between the receiver 200 and the transmitter 100 is ended, and return to the common channel, and the receiver 200 enters a standby state.

Specifically, after the receiver 200 is turned on, the receiver is in a standby state in the common channel, and receives the acoustic radio frequency signal transmitted from the common channel at any time, and after the transmitter 100 near the receiver 200 is turned on, the transmitter transmits the acoustic radio frequency signal including the second data instruction on the common channel, where the second data instruction includes the pairing request signal, and sends out the signaling sound wave through the signaling speaker 220, thereby implementing the frequency pairing process between the transmitter 100 and the receiver 200.

It can be understood that, the embodiment of the present invention establishes the first data channel and the second data channel, that is, establishes the bidirectional data transmission channel, thereby forming the wireless closed loop for data command transmission, and whether from the receiver 200 to the transmitter 100 or from the transmitter 100 to the receiver 200, the necessary data transmission can be performed without affecting the sound transmission process and the sound transmission quality.

As shown in fig. 4 and 5, it should be noted that the first microprocessor 121 may adopt an STC15W4K32S4 single chip microcomputer, and the second microprocessor 211 may adopt an STC15F2K16S2 single chip microcomputer, in an embodiment of the present invention, an automatic frequency matching function may be implemented through a hardware structure, and improvement of the method is not involved.

As shown in fig. 2, according to some embodiments of the present invention, the receiver 200 further comprises an audio output circuit 240, and the audio output circuit 240 is connected with the receiver main circuit 210.

The audio output circuit 240 is used for outputting sound signals, the wireless microphone system picks up sound transmission audio signals through the transmitter 100 in the sound transmission process, the sound transmission audio signals are mixed in the sound transmission radio frequency signals after being processed by the transmitter main circuit 120 and are transmitted to the surrounding space through the transmitting antenna 140, the receiver 200 receives the sound transmission radio frequency signals from the transmitter 100 through the receiving antenna 230, the sound transmission radio frequency signals are transmitted to subsequent sound equipment through the audio output circuit 240 after being processed by the receiver main circuit 210 and the audio output circuit 240, and sound is restored by the subsequent sound equipment.

It should be noted that the receiver main circuit 210 may demodulate, audio-amplify, de-emphasize, and dynamically expand the acoustic rf signal, and then amplify, match, and output the signal through the audio output circuit 240.

The receiver main circuit 210 is respectively connected with the signaling loudspeaker 220 and the audio output circuit 240, and does not influence the audio process and the sound transmission process.

As shown in fig. 2, according to some embodiments of the present invention, the first microphone 110 is also used for picking up acoustic audio signals.

It should be noted that, the first sound pickup 110 can pick up the signaling sound wave from the signaling speaker 220 to complete the frequency-matching process, and can also pick up the sound-transmitting audio signal in the sound-transmitting process, so that the multiplexing of the frequency-matching function and the sound-transmitting function can be realized, and the production cost can be effectively saved.

As shown in fig. 6, according to some embodiments of the present invention, the transmitter 100 is further provided with a second microphone 150 for picking up an acoustic audio signal, and the second microphone 150 is connected to the transmitter main circuit 120.

It should be noted that the first sound pickup 110 mainly functions in the audio-frequency process for picking up signaling sound waves emitted from the signaling speaker 220, and the second sound pickup 150 mainly functions in the sound-transmission process for picking up sound-transmission audio signals, so that the normal operation of the wireless microphone system is ensured by connecting the second sound pickup 150 to the transmitter main circuit 120.

According to some embodiments of the present invention, the receiver main circuit 210 is further configured to perform idle channel scanning and select the currently best channel in the standby state.

After the receiver 200 is powered on, if the transmitter 100 is not powered on temporarily, the receiver is in a standby state in a common channel, and receives a sound transmission radio frequency signal transmitted from the common channel at any time, the receiver main circuit 210 can automatically scan idle channels in a standby state, and search and compare all the idle channels to select an available channel which is not interfered and is not occupied, namely a current optimal channel, store the current optimal channel, and circularly refresh the current optimal channel, so that an automatic frequency sweeping process can be realized.

The utility model discloses wireless microphone system can carry out above-mentioned process automatically after the start through merging the frequency sweep process with the frequency process, can adapt to the environment better, is favorable to improving user's use and experiences the sense to reach better result of use.

Furthermore, a first remote communication module and a second remote communication module can be further arranged, the first remote communication module is connected with the transmitter main circuit 120, the second remote communication module is connected with the receiver main circuit 210, remote control can be performed on the full-automatic wireless microphone system, for example, transmission of sound transmission audio signals is controlled, the remote communication mode can adopt WI FI communication or infrared communication or Bluetooth communication, and the use convenience is improved by remotely controlling the full-automatic wireless microphone system.

The embodiments of the present invention have been described in detail with reference to the drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.

Claims

1. A fully automatic wireless microphone system, comprising:

the transmitter comprises a first sound pickup and a transmitter main circuit, wherein the first sound pickup is connected with the transmitter main circuit, the transmitter main circuit is used for being fixed to a preset public channel to transmit a pairing request signal after being started, and the first sound pickup is used for picking up signaling sound waves;

the receiver comprises a receiver main circuit and a signaling loudspeaker, the receiver main circuit is connected with the signaling loudspeaker, the receiver main circuit is used for being fixed to the public channel after being started to receive the pairing request signal and driving the signaling loudspeaker to be started, and the signaling loudspeaker is used for sending signaling sound waves to enable the first sound pick-up to pick up the signaling sound waves;

the transmitter further comprises a frequency-selecting filter circuit, the frequency-selecting filter circuit is respectively connected with the first sound pickup and the transmitter main circuit, and the frequency-selecting filter circuit is used for carrying out sound wave decoding processing on the signaling sound waves.

2. The fully automatic wireless microphone system according to claim 1, wherein the signaling sound wave comprises a first data command, the transmitter main circuit comprises a first microprocessor, the frequency selective filter circuit is connected to the first microprocessor, and the frequency selective filter circuit is further configured to input the first data command to the first microprocessor.

3. The fully automatic wireless microphone system of claim 2, wherein the transmitter further comprises a transmitting antenna, the transmitting antenna is connected to the transmitter main circuit, and the transmitting antenna is configured to transmit an acoustic radio frequency signal to the receiver.

4. The fully automatic wireless microphone system of claim 3, wherein the receiver further comprises a receiving antenna connected to the receiver main circuit, the receiving antenna configured to receive the acoustic radio frequency signal.

5. The fully automatic wireless microphone system of claim 4, wherein the acoustic radio frequency signal comprises a second data instruction, the receiver main circuit is further configured to demodulate the acoustic radio frequency signal, and the receiver main circuit comprises a second microprocessor connected to the signaling speaker.

6. The fully automatic wireless microphone system of claim 4 wherein the receiver further comprises an audio output circuit connected to the receiver main circuit.

7. The fully automatic wireless microphone system of claim 1, wherein the first microphone is further configured to pick up an acoustic audio signal.

8. The fully automatic wireless microphone system according to claim 1, wherein the transmitter is further provided with a second microphone for picking up an acoustic audio signal, the second microphone being connected to the transmitter main circuit.