On 14/03/2014 14:46, Rustom Mody wrote:
[...]
For now, I checked with xfce4-mixer.
If I turn down master or front-mic the hiss reduces
Is the machine a laptop? In that case the 'front-mic' could be the
inbuilt one?
Anyhow, mute all mic-related controls it in the _Playback_ tab of the
mixer. You only want the microphone(s) enabled in the Capture section,
unless you explicitly want to 'monitor' them.
Also check that any 'mic boost' or similar is turned off/down, still in
the Playback section.
Ciao,
Lorenzo.