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Microphone gain adjustment method, system and device and storage medium

A gain adjustment, microphone technology, applied in the direction of transducer circuit, sensor, microphone signal combination, etc., can solve the problem of microphone eating words, long time to adjust gain, loss of small signals, etc., to avoid "eating words, smooth transition". Effect

Active Publication Date: 2021-03-09
SHENZHEN TENDZONE INTELLIGENT TECH
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AI Technical Summary

Problems solved by technology

[0003] The embodiment of the present application provides a microphone gain adjustment method, system, device, and storage medium, aiming to solve the problem that the traditional microphone gain adjustment algorithm takes a long time to adjust the gain, which easily causes the microphone to "eat words" and lose small signals.

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  • Microphone gain adjustment method, system and device and storage medium
  • Microphone gain adjustment method, system and device and storage medium
  • Microphone gain adjustment method, system and device and storage medium

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Embodiment Construction

[0043] In order to better understand the above-mentioned technical solutions, exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. Although exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited by the embodiments set forth herein. Rather, these embodiments are provided for more thorough understanding of the present disclosure and to fully convey the scope of the present disclosure to those skilled in the art.

[0044] The invention provides a microphone gain adjustment device. Such as figure 1 as shown, figure 1 It is a schematic structural diagram of the hardware operating environment involved in the solution of the embodiment of the present invention.

[0045] It should be noted, figure 1 That is, it is a structural schematic diagram of the hardware operating envi...

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Abstract

The invention discloses a microphone gain adjustment method, system and device and a storage medium. The method comprises the steps of: obtaining audio signal sampling points; determining waveform direction states of two continuous audio signal sampling points at adjacent moments; and adopting a gain adjustment rule corresponding to the waveform direction state to adjust the microphone gain. According to the invention, the problems that the traditional microphone gain adjustment algorithm is relatively long in gain adjustment time, easy to cause word eating of the microphone and easy to lose small signals are solved, the gain can be quickly allocated to the microphone, the smooth transition of audio streams is realized, and the word eating phenomenon of the microphone is avoided.

Description

technical field [0001] The present invention relates to the technical field of audio signal processing, in particular to a microphone gain adjustment method, system, device and storage medium. Background technique [0002] Network audio is used in large-scale sound reinforcement systems, and the microphone matrix can reach hundreds. When there is only ambient noise on site, when hundreds of microphones simultaneously pick up the ambient noise and mix and output it, the noise floor is very large, and if it is not processed, it is almost a hundred times the ambient noise. In order to solve this problem, the traditional method is to reduce the number of microphones turned on, or to use a noise reduction algorithm to perform noise reduction on the audio signal collected by each microphone. Among them, when the traditional microphone gain adjustment algorithm is used to adjust the microphone gain, each audio signal sampling point is changed at equal intervals, and the single mic...

Claims

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Application Information

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IPC IPC(8): H04R3/00
CPCH04R3/005
Inventor 季海交胡小辉黄维季司诚王泽鸿
Owner SHENZHEN TENDZONE INTELLIGENT TECH
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