A method for automatically installing a wireless microphone

A wireless microphone and automatic installation technology, applied in the field of microphones, can solve problems such as intermodulation interference and noise, failure to achieve expected results, time-consuming and labor-intensive problems, to ensure accuracy and reliability, save installation time and personnel, and improve installation efficiency effect

Active Publication Date: 2014-04-23
GUANGDONG TAKSTAR ELECTRONIC CO LTD
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  • Summary
  • Abstract
  • Description
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Problems solved by technology

[0002] In places where wireless microphones (transmitters) are used intensively, due to the large number of wireless transmitters (>20 sets), serious frequency intermodulation will occur at the receiving end of wireless microphones, causing intermodulation interference and noise, which affects the use The experience and mood of the user. In order to prevent cross-modulation interference, the personnel who install and adjust the

Method used

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Example Embodiment

[0017] In order to facilitate the understanding of those skilled in the art, the present invention will be further described in detail below in conjunction with embodiments:

[0018] The microphone in the present invention includes multiple transmitters (wireless microphones) and receivers, and each transmitter has a corresponding receiving channel on the receiver. The receiver includes a microprocessor and an input circuit unit, a frequency mixing unit, a demodulation unit, a low frequency processing unit, and an audio output unit connected in sequence. Among them, the microprocessor is connected to the mixing unit through the voltage-controlled oscillation unit, and is connected to the demodulation unit through the field strength detection unit.

[0019] When working, the receiver receives the radio frequency signal from the wireless microphone part and sends it to the input circuit unit for frequency selective filtering and amplification, and then it is sent to the mixing unit t...

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Abstract

The invention provides a method for automatically installing a wireless microphone. The automatic installing method comprises: dividing every two transmitters into one group and performing circulatory frequency sweep detection on all groups; using a receiver to control every two transmitters to be turned off before frequency sweep, searching all available channels and finding out a plurality of channels with less interference, recording the channels with less interference in a list, and using the channels as initial frequency sweeping channels; in the circulatory detection, if the reception intensity of any signal is over a set value, using the receiver to control a corresponding transmitter to add a channel upwardly and then performing same detection and determination until no interference is detected in the current channel. In the method for automatically installing a wireless microphone, frequency sweep is performed on using environment in advance in order to prevent all wireless microphones required to be automatically adjusted and installed from being automatically installed from a same channel, thereby enhancing installing efficiency.

Description

technical field [0001] The invention relates to the field of microphones, in particular to an automatic installation method for multiple wireless microphones. Background technique [0002] In places where wireless microphones (transmitters) are used intensively, due to the large number of wireless transmitters (>20 sets), serious frequency intermodulation will occur at the receiving end of wireless microphones, causing intermodulation interference and noise, which affects the use The experience and mood of the user. In order to prevent cross-modulation interference, the personnel who install and adjust the wireless microphone have high requirements. They need to have a good installation idea and work experience, and it is necessary to repeatedly debug to find a channel without cross-modulation, which is time-consuming and laborious. . In the Chinese application No. 200910214162.4, a wireless microphone and its anti-interference method are provided, but the efficiency of...

Claims

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Application Information

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IPC IPC(8): H04R1/08
Inventor 杨志豪
Owner GUANGDONG TAKSTAR ELECTRONIC CO LTD
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