Red Hat Bugzilla – Bug 1279073
Periods of "open channel" noise on NVIDIA video card HDMI after playing sound.
Last modified: 2016-12-20 10:29:31 EST
Description of problem:
After playing a sound via ALSA (including using speaker-test) there is a click, followed by a period of quiet hissing, ending with another click after a random period. The quiet hissing makes it sound like there is an open audio channel with no input somewhere. The volume of this is not affected by the master volume control.
Version-Release number of selected component (if applicable):
Happens every time.
Steps to Reproduce:
1. speaker-test -twav
3. Wait a few seconds while listening.
After the speaker test is completed there is a click, a period of quiet hissing for several seconds, and another click.
Silence once the test is complete.
This started happening in FC22 when I installed my new video card. Relevant lines from lspci are:
01:00.0 VGA compatible controller: NVIDIA Corporation GF116 [GeForce GTX 550 Ti] (rev a1)
01:00.1 Audio device: NVIDIA Corporation GF116 High Definition Audio Controller (rev a1)
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