'Twas brillig, and Lennart Poettering at 08/05/10 00:28 did gyre and gimble: > On Thu, 06.05.10 09:24, Colin Guthrie (gmane at colin.guthr.ie) wrote: > >> >> 'Twas brillig, and Piscium at 05/05/10 19:00 did gyre and gimble: >>> I am completely ignorant about audio stacks, so I don't know if mic >>> boost belongs in Alsa or PA. However as far as I know the only audio >>> GUI that comes in the default installation for some distros is >>> PulseAudio's. So from a usability point of view it would be nice to >>> have a tick box for mic boost there. Such a tick box is for example >>> available in Windows. >>> >>> So I am happy that I found how to solve my problem with the help of >>> the forum, but other people are probably not so lucky! >> >> Well the solution you're using is not really a good one. It will not >> work when a mixer probably controls that element, which AFAICT is what >> should happen. >> >> Perhaps it's just not handled properly (despite the fact that on the >> surface the code looks like it should work). >> >> I'll ask Lennart to comment to hopefully get to the bottom of the real >> problem. > > If the 20dB are needed for this specific mike, and not for all mikes on > the soundcard then this looks like something we probably should cover in > the mixer logic in PA. (if it is needed for all mikes, then the alsa > init db should be fixed instead) > > Please attach the excerpt of "amixer -c0" about the one switch that made > things work for you and we can add it to the PA mixer database. The problem is that it *is* already in the mixer database. It's the standard "Mic Boost (20dB)" one. But this doesn't seem to translate into a port option as I'd expect. How are these boosts meant to be handled? I presumed it was like the "amplifier-on" vs "amplifier-off" port options? Col -- Colin Guthrie gmane(at)colin.guthr.ie http://colin.guthr.ie/ Day Job: Tribalogic Limited [http://www.tribalogic.net/] Open Source: Mandriva Linux Contributor [http://www.mandriva.com/] PulseAudio Hacker [http://www.pulseaudio.org/] Trac Hacker [http://trac.edgewall.org/]
