Hello, I am of course mindful that the quality of SW boost would be worse, but for not "quality critical" use, it would be the simplest and cheapest solution. Any Idea how to do that in ALSA ? --kapetr ----- PŮVODNÍ ZPRÁVA ----- Od: "juhan" <juhan@xxxxxxxxxxxxxxxx> Komu: "kapetr" <kapetr@xxxxxxxxx> Předmět: Re: software MIC boost ? Datum: 26.2.2010 - 15:49:08 > Once the signal is digitized, you have already lost > significant "bits". > Boosting digitally by software multiplication, will > also boost the > (digitization and other) "noise" (missing resolution > or other). Better to > amplify before digitization. It also helps to use 24-bit > A/D converters, so > you can simultaneously have some headroom (at the top) > and get more > resolution bits (at the bottom). After processing, > you can end up with music > that is still "CD quality", i.e. 16-bits per sample. > > > I don't think little preamps are that expensive? Check > Behringer or some > such. > > Juhan > > > kapetr writes: > > > Hello, > > > > many People have problem with too weak microphone > > - even if "mic boost" > > > is selected in alsamixer and volume is set to maximum. > > > > > > > Is it possible in ALSA with some Plugin to boost > > microphone by "software > > > way"? > > > > --kapetr > > > > > > ------------------------------------------------------------------------------ > > > > > Download Intel® Parallel Studio Eval > > Try the new software tools for yourself. Speed compiling, > > find bugs > > > proactively, and fine-tune applications for parallel > > performance. > > > See why Intel Parallel Studio got high marks during > > beta. > > > http://p.sf.net/sfu/intel-sw-dev > > _______________________________________________ > > Alsa-user mailing list > > Alsa-user@xxxxxxxxxxxxxxxxxxxxx > > https://lists.sourceforge.net/lists/listinfo/alsa-user > > ------------------------------------------------------------------------------ Download Intel® Parallel Studio Eval Try the new software tools for yourself. Speed compiling, find bugs proactively, and fine-tune applications for parallel performance. See why Intel Parallel Studio got high marks during beta. http://p.sf.net/sfu/intel-sw-dev _______________________________________________ Alsa-user mailing list Alsa-user@xxxxxxxxxxxxxxxxxxxxx https://lists.sourceforge.net/lists/listinfo/alsa-user
