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mic信号转换成音频信号
更新时间: 2020-10-03 00:00:00  

将mic信号转化为音频信号的方法是:在线路中接入话筒放大器或是前置放大器。

普通mic信号实际就是音频信号,只是信号幅度比较低,3毫伏到20毫伏左右,标准音频输入信号0分贝时,对应的幅度为0.775伏,单靠无源的转接头无法实现信号的匹配。

关键词: mic 信号 转换 音频

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