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您好,PCM2706,播放的时候伴随了哒哒哒的噪音,无法去除,请教怎么解决,谢谢!

Other Parts Discussed in Thread: PCM2706

TI工程师: 

  您好!

  我设计了一个基于PCM2706的USB音频,接通后可以播放音频文件,不过耳机听到正常音频中间夹杂着“哒哒哒”固定频率的噪音。实在不明白,请教这个如何解决?RCA输出到外置DAC设备,一样会有。