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TLV320AIC3204EVM和手机相连,应该接开发板哪个接口



你好:

   如果我想把的音频信号导入手机,是应该通过HP OUT给手机,还是应该通过LINE OUT给手机?

因为我对手机内部麦克风接口的连接不了解,手机的麦克风接口应该自带偏置电压,如果将3204转换后的音频信号通过手机麦克风接口导入手机,这个偏置电压是否有影响