Re: Soft amplification of recording ?

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Le Wed, 8 Jul 2009 09:39:50 -0700,Kevin Bailey <ke-alsa-user@xxxxxxxxxxxxxxxxxxxx> a écrit :
> The built-in mikes on my laptop work but, even after turning> the recording volume all the way up, the volume isn't great.> Someone on the other end of a videoconference would complain.> > Is there some way to do a simple amplification of the recorded> audio in software by configuring something in .asoundrc ?
ALSA is an hardware driver, and it will not amplify the sound instead of thehardware.
The problem here is that you will have to chain your mic input with a softwaremixer-amplifier and your conference software. I don't know if it is possiblewith ALSA alone, maybe with a LADSPA plugin if your conference software isLADSPA compatible.
Another way would be to setup JACK: http://en.gentoo-wiki.com/wiki/JACK (Youcan skip the rt kernel config step)
> I found the softvol stuff but it didn't look like you could> amplify anything.> > Thx> > ------------------------------------------------------------------------------> Enter the BlackBerry Developer Challenge  > This is your chance to win up to $100,000 in prizes! For a limited time, > vendors submitting new applications to BlackBerry App World(TM) will have> the opportunity to enter the BlackBerry Developer Challenge. See full prize  > details at: http://p.sf.net/sfu/Challenge> _______________________________________________> Alsa-user mailing list> Alsa-user@xxxxxxxxxxxxxxxxxxxxx> https://lists.sourceforge.net/lists/listinfo/alsa-user
------------------------------------------------------------------------------Enter the BlackBerry Developer Challenge  This is your chance to win up to $100,000 in prizes! For a limited time, vendors submitting new applications to BlackBerry App World(TM) will havethe opportunity to enter the BlackBerry Developer Challenge. See full prize  details at: http://p.sf.net/sfu/Challenge_______________________________________________Alsa-user mailing listAlsa-user@xxxxxxxxxxxxxxxxxxxxxxxxxx://lists.sourceforge.net/lists/listinfo/alsa-user

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