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Soft mute control circuit, soft mute control method and device thereof

A control circuit and soft mute technology, applied in transducer circuits, electrical components, sensors, etc., can solve the problems of long soft mute time, difficulty of speakers, and inability to accurately control the drop time, so as to reduce noise interference and achieve accurate control effect

Active Publication Date: 2021-11-19
WUHAN JUXIN MICROELECTRONICS CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the existing soft-mute technology uses digital logic devices such as adders, multipliers, data selectors, and delayers. Although the circuit is simple, the soft-mute time is long, and the falling time cannot be accurately controlled. Controlling the speakers presents a certain degree of difficulty

Method used

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  • Soft mute control circuit, soft mute control method and device thereof
  • Soft mute control circuit, soft mute control method and device thereof
  • Soft mute control circuit, soft mute control method and device thereof

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Embodiment Construction

[0027] In order to understand the characteristics and technical contents of the embodiments of the present application in more detail, the implementation of the embodiments of the present application will be described in detail below in conjunction with the accompanying drawings. The attached drawings are only for reference and description, and are not intended to limit the embodiments of the present application.

[0028] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the technical field to which this application belongs. The terms used herein are only for the purpose of describing the embodiments of the present application, and are not intended to limit the present application.

[0029] In the following description, references to "some embodiments" describe a subset of all possible embodiments, but it is understood that "some embodiments" may be the same subset or a different sub...

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Abstract

The invention discloses a soft silence control circuit, a soft silence control method and a device thereof. The soft silence control circuit comprises a first logic processing circuit and a second logic processing circuit, wherein the first logic processing circuit is used for receiving preset soft mute time, a soft mute control signal and a soft mute enable signal, and generating a target soft mute signal according to the preset soft mute time, the soft mute control signal and the soft mute enable signal; and the second logic processing circuit is used for receiving the input audio signal, the soft mute enable signal and the target soft mute signal, and performing soft mute control on the input audio signal according to the target soft mute signal to obtain an output audio signal when the soft mute enable signal indicates to start the soft mute enable control function. Therefore, by controlling the descending and ascending time of the soft mute of the electronic equipment, the noise interference to a user can be reduced, and the accurate control of the soft mute time can be realized.

Description

technical field [0001] The present application relates to the technical field of audio signal processing, and in particular to a soft-mute control circuit, a soft-mute control method, and a device. Background technique [0002] Sound, as one of the most basic signals of nature, is ubiquitous in people's daily life, such as mobile phones, telephones, computers, televisions, stereos and other electronic devices are inseparable from the transmission of sound. Nowadays, listening to music, watching movies, and watching TV have become people's daily relaxation methods, so the pursuit of better sound quality has become one of the most important topics today. [0003] Among them, the sound can be high or low, and in terms of mathematical form, the amplitude of the sound signal can be large or small. The noise is relatively loud at the moment when the speaker is turned on and off, which will affect the audience's sense of hearing. The emergence of soft mute (soft mute) technology ...

Claims

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Application Information

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IPC IPC(8): H04R3/00
CPCH04R3/00H04R2430/01
Inventor 方雨柯毅陈银茂
Owner WUHAN JUXIN MICROELECTRONICS CO LTD
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