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sgtl5000录音没声音

Question asked by yun li on Sep 5, 2019
Latest reply on Nov 11, 2019 by yun li

现象描述如下:

1.可以播放声音。

2.播放声音时录音,会听到有杂声的录音歌曲。这里选择的寄存器是line_in->adc->i2s_dout(0x0002寄存器值为0x73, 0x000a寄存器值为0x10,0x0024寄存器值为0x26)

3.不播放声音时录音,录音没有任何声音。line_in->adc->i2s_dout(0x0002寄存器值为0x72, 0x000a寄存器值为0x10,0x0024寄存器值为0x26).

请分析一下可能的原因!

谢谢!

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