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我把micphone 接到line in 的接口上面,采集不到声音 (用的是无源麦克风)
采集芯片用的 tlv320aic23b;
谢谢
Kailyn Chen 说:line in和mic in的输入阻抗不同吧
除了输入阻抗,应当电压也是不一样的;
还有一个问题,mic in 输入 有源mic 和无源mic 又有什么区别呢 ?