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https://e2e.ti.com/support/audio-group/audio/f/audio-forum/1044617/tlv320aic31-what-could-be-causing-the-noise
您好！
您是否检查了示波器的高分辨率采集、以确保与探测无关？
接下来检查数字音频时钟是否干净、音频格式是否正确？
您是否尝试降低振幅、频谱是如何的？
您是 在连接耳机还是在未连接耳机的情况下进行测量？ 尝试连接耳机。
此致、
Peter
