Re: [LAU] Low mic recording level in Ubuntu

On 08/30/2009 04:37 AM, peter clarke wrote:
> My mic recording level in Ubuntu+Gnome is frustratingly low. I have
> (I think) wound up all the levels to maximum in the mixer, but I still
> get only -20dB even with shouting into the mic. It's the same for all
> hardware (2 internal and 2 USB soundcards, different mics), 2
> different computers, 2 different versions of Ubuntu (Heron on my
> desktop and Ibex on my laptop) and whatever recording software I use
> (arecord, audacity, kwave, ecasound). Also the same with Jack and if
> I kill pulseaudio.
>
> This started a few months ago (originally, when everything was first
> installed, it was fine) so I'm pretty confident it's an ALSA-related
> software issue.
>
> Seems like ALSA (or something) is being told to attenuate the signal
> somewhere. Any clues where to look?
>
>

Have you looked at alsamixer from the terminal? I

t may show more available level controls than you are seeing with your
mixer app.

Cheers.

Patrick Shirkey
Boost Hardware Ltd

> Peter Clarke
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> Linux-audio-user@email-addr-hidden
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Received on Sun Aug 30 08:15:02 2009