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Here's a recording of what my audio output sounds like. I am using a USB sound card identified as C-Media Electronics, Inc. CM106 Like Sound Device which is outputed over optical SPDIF to a Denon 5.1 receiver. In Windows, I have no issues with the audio. Under Ubuntu 16.04 there's a constant clicking/popping which is louder as the sound is louder.

I visited other posts and followed a few suggestions like installing pulse audio, changing mixer settings, and other attempts but it still continues. It doesn't happen over HDMI or analog.

Bryan
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1 Answers1

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Had same problem on megeia 6, found it to be a sample-rate problem. Adding default-sample-rate = 48000 to /etc/pulse/daemon.conf fixed it for me. pulse needs to restart after. pulseaudio -k, pulseaudio --start

SimeonG
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