[Alsa-user] Configure mic input for 8000 Hz on Debian testing

2010-11-09 Thread Christian Jaeger
Hello When using VoIP software like sflphone on Debian (stable, or what I'm running now, testing), on many laptops (with e.g. Intel Corporation N10/ICH 7 Family High Definition Audio Controller) the microfone input is measured 8000 times per second without doing proper low pass filtering in

Re: [Alsa-user] Cannot understand ASoC low-level driver

2010-06-28 Thread Christian Jaeger
Maybe http://lxr.linux.no will help you a bit. Christian. -- This SF.net email is sponsored by Sprint What will you do first with EVO, the first 4G phone? Visit sprint.com/first -- http://p.sf.net/sfu/sprint-com-first

Re: [Alsa-user] Missing input low-pass filter

2010-03-04 Thread Christian Jaeger
I'm a bit unclear why nobody's responding (is it rather a case of RTFM, we don't answer these qestions or dunno?). Ekiga is said to use plughw; I've seen this post: http://www.mail-archive.com/alsa-user@lists.sourceforge.net/msg21126.html Mostly [it] is true [that you want the conversions that

[Alsa-user] Missing input low-pass filter

2010-03-03 Thread Christian Jaeger
Hello I've got problems with microphone input quality at low sample rates: it clearly seems to be missing low-pass filtering of the input signal before sampling. For more details see the Ekiga mailing list thread at http://mail.gnome.org/archives/ekiga-list/2010-March/msg7.html Is this just