iPhone麦克风音量 [英] iPhone Mic volume

问题描述

有什么方法用AVFoundation轮询麦克风输入音量吗？我看过CoreAudio的例子，如SpeakHere，但我真的只需要当前的值。是CA我唯一的选择？

Is there any way to poll the mic input volume with AVFoundation? I have seen the CoreAudio examples like SpeakHere but I really only need the current value. Is CA my only option?

推荐答案

你应该检出SCListener。

You should checkout SCListener. It's a simple way just to get the average or peak level of the mic.

http：//github.com/stephencelis/sc_listener

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