Bug 1466104 - Switching audio output to HDMI causes crackling sci-fi audio distortion
Switching audio output to HDMI causes crackling sci-fi audio distortion
Status: NEW
Product: Fedora
Classification: Fedora
Component: pulseaudio (Show other bugs)
25
x86_64 Linux
unspecified Severity low
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Assigned To: Lennart Poettering
Fedora Extras Quality Assurance
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Reported: 2017-06-29 00:26 EDT by Tom Mellor
Modified: 2017-06-29 00:26 EDT (History)
3 users (show)

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Description Tom Mellor 2017-06-29 00:26:18 EDT
Description of problem:
HDMI audio is distorted into crackling sci-fi noise.

Version-Release number of selected component (if applicable):
10.0

How reproducible:
100%

Steps to Reproduce:
1. Go to Sound settings
2. Switch to HDMI output

Actual results:
Crackling in audio output until all streams have stopped playing and been restarted a few times.

Expected results:
Audio output should continue playing normally.

Additional info:
I am willing to dig into this more myself but I don't really know where to start. The following workaround may provide some more direction.
1. Go to Sound settings
2. Switch to HDMI output
3. Go to Sound settings "Test Speakers"
4. Click any "Test"
5. Audio should crackle
6. Wait until test is finished
7. Repeat 4-6 until 5 is no longer true (often once, sometimes a few)

I don't know if pulseaudio is the right component but I'm not sure where else to go.

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