Comment 17 for bug 382140

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Toby Murray (toby-murray) wrote : Re: karmic: high-pitched noise from snd-hda-intel

coldReactive: Your issues sound more like electronic interference on the motherboard, not the driver problem that this bug is addressing, especially since it happens in Windows as well. I suspect high activity on your PCI express bus is creating interference in your sound card. I have experienced similar things before. That is just a hardware issue.