Re: [LAU] debugging hiss

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To: Rustom Mody <rustompmody@...>
Cc: lau <linux-audio-user@...>
Date: Friday, March 14, 2014 - 2:04 pm

On Fri, Mar 14, 2014 at 07:16:47PM +0530, Rustom Mody wrote:

> No jack (to start with at least when the hiss sound starts)

First of all disable Pulse, or get rid of it. Don't know how to
do that on Debian.

> Hardware: There is only one connection -- the speaker into the soundcard.

So you are sending the mic signal (which will be lots of hiss when no
mic is connected) to the speakers.

> However then musescore (my main use right now) also becomes too soft

That should not depend on any 'Mic' settings, only on 'PCM' and
'Master'. If it does, that means the upgrade botched your ALSA setup.
Try turning down (or switching off) anything 'Mic'.

Ciao,

--
FA

A world of exhaustive, reliable metadata would be an utopia.
It's also a pipe-dream, founded on self-delusion, nerd hubris
and hysterically inflated market opportunities. (Cory Doctorow)

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Messages in current thread:
[LAU] debugging hiss, Rustom Mody, (Fri Mar 14, 12:09 pm)
Re: [LAU] debugging hiss, Fons Adriaensen, (Fri Mar 14, 1:11 pm)
Re: [LAU] debugging hiss, Rustom Mody, (Fri Mar 14, 1:47 pm)
Re: [LAU] debugging hiss, Lorenzo Sutton, (Fri Mar 14, 2:07 pm)
Re: [LAU] debugging hiss, Rustom Mody, (Fri Mar 14, 2:21 pm)
Re: [LAU] debugging hiss, Rustom Mody, (Fri Mar 14, 3:22 pm)
Re: [LAU] debugging hiss, Rustom Mody, (Fri Mar 14, 5:48 pm)
Re: [LAU] debugging hiss, Fons Adriaensen, (Fri Mar 14, 2:04 pm)
Re: [LAU] debugging hiss, Ralf Mardorf, (Sat Mar 15, 1:43 am)
Re: [LAU] debugging hiss, Rustom Mody, (Sat Mar 15, 2:43 am)
Re: [LAU] debugging hiss, Simon Wise, (Sat Mar 15, 5:45 am)
Re: [LAU] debugging hiss, Ralf Mardorf, (Sat Mar 15, 3:25 am)
Re: [LAU] debugging hiss, Ralf Mardorf, (Sat Mar 15, 3:30 am)
Re: [LAU] debugging hiss, Rustom Mody, (Sat Mar 15, 2:46 am)
Re: [LAU] debugging hiss, Rustom Mody, (Fri Mar 14, 2:23 pm)