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I've recently moved from 10.04 to 12.04 and have problems with crackles on audio when the screen changes (especially obvious in a Skype conversation with video).

Kernel Information

Kernel release:    3.2.0-26-generic-pae
Operating System:  GNU/Linux
Architecture:      i686
Processor:         i686
SMP Enabled:       Yes

ALSA Version

Driver version:     1.0.24
Library version:    1.0.25
Utilities version:  1.0.25

Running through the SoundTroubleShooting procedures I got the above details at Step 3.

Is the mismatch between the Driver version (1.0.24) and the Library and Utilities versions (1.0.25) the cause of my problem, or should I be looking elsewhere?

In answers to the question Will ALSA 1.0.25 version have time to enter 12.04? I read that 1.0.25 would be part of the new kernel, but my kernel version appears to be newer than the original release.

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1 Answer 1

https://answers.launchpad.net/ubuntu/+source/alsa-driver/+question/202049

There should be no issue of that different versions. As long as the sound and Mic are ok. my above link show the different versions installed on 12.04. and for the first time ever got the external mic work.

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