[ubuntu-in] Audio disturbance

[Kingsly John]

+++ Sahana Basavapatna [2011-10-23 20:51:28]:

> Hi,
> I have installed the latest version of Ubuntu on Acer Aspire 5253-BZ661.
> 
> Until about a day back, my audio worked perfectly. Now I see that there is a
> constant disturbance and am not sure how this has come about.

Do you get the disturbance only while working on the mains? or Do you get it
while running on battery too? 

If only mains, it could be some kind of earthing issue.

If disturbance exists on both, you can run "alsamixer" in a terminal .. and
try muting each mixer channel individually and see if makes any difference.
(Hit "F5" to show all mixers, and then use left/right arrow keys to highlight
a mixer and "m" to mute it)

Kingsly

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