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When using my new laptop's HDMI port to stream a/v to a Onkyo stereo, the sound is crackling. It isn't the cable. Under settings->sound, I choose HDMI/DisplayPort2, in Digital Surround 5.1 output mode. The sound tests, does play on the correct loudspeakers, but it is crackling and noisy.

I have logged my alsa information with www.alsa-project.org.

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