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Author:

王波涛 (王波涛.) | 刘子豪 (刘子豪.)

Indexed by:

incoPat zhihuiya

Abstract:

一种音量自适应调节的方法涉及通信技术领域。该算法将麦克风信号与扬声器信号实时输入音量调节算法。对两路信号数据求和后根据值的不同首先区分主叫端是否正在讲话。在未讲话时或者讲话间隙获取外界环境声音大小,在讲话时根据环境算出音量调节系数,从而得到要调至的音量,根据噪声能量值调节设备音量。本发明提供了一种音量调节的算法,避免了扬声器获取到的外界环境声音中其它噪声的干扰,计算相应的调节系数,更好地根据外界实际情况调至适合的音量。使用C语言编写并实现了音量自适应调节的算法,根据周围环境声音的大小变化调整设备的输出音量。

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Patent Info :

Type: 发明申请

Patent No.: CN202110625262.7

Filing Date: 2021-06-04

Publication Date: 2023-12-29

Pub. No.: CN113709625B

Applicants: 北京工业大学

Legal Status: 授权

Cited Count:

WoS CC Cited Count: 0

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 32

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