采用TLV320AIC3106IRGZT芯片的Line1LP、LIne1LM,从电脑的音频口输出1KHz正弦波音频信号到这两个管脚,用的是TI DM8148芯片上运行linux,最终采集出来的信号失真严重?有时候像梯形,想请教一下什么原因,谢谢!
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