I've noticed this error in my console log for a while. Though it does not affect the execution of my application, I find it really annoying. Thus, I started to trace where this error came from. It turns out when I call availableInputsI've noticed this error in my console log for a
阅读背景：
AVAudioSessionManager availableinput“iPhone端口麦克风的未知选择数据源”
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