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Re: [Ekiga-list] ekiga sound problems

Subject: Re: [Ekiga-list] ekiga sound problems
From: Damien Sandras
Date: Mon, 04 Sep 2006 13:20:05 +0200
Le lundi 04 septembre 2006 à 13:14 +0200, Carles Pina i Estany a écrit :
> Hello,
> 
> On Sep/04/2006, Damien Sandras wrote:
> 
> > > Twinkle is using plugw:0,0 and works fine...
> > 
> > Perhaps twinkle doesn't use the same settings.
> 
> Yes, it seems :-)
> 
> > Notice that Ekiga supports two types of codecs :
> > - Wideband : 16kHz
> > - Narrowband : 8 kHz
> > 
> > We have determined that there was a problem with ALSA and Narrowband as
> > arecord -D plughw:0,0 -c 1 -r 8000 -f S16_LE - | aplay -D plughw:0,0 -c
> > 1 -r 8000 -f S16_LE -
> > doesn't work.
> > 
> > What about the following command :
> > arecord -D plughw:0,0 -c 1 -r 16000 -f S16_LE - | aplay -D plughw:0,0 -c
> > 1 -r 16000 -f S16_LE -
> 
> not working either. I think that twinkle uses different libraries to
> handle with ALSA. From apt-cache show twinkle:
> --------
> Depends: kdelibs4c2a (>= 4:3.5.3-1), libasound2 (>> 1.0.11),
> libboost-regex1.33.1, libc6 (>= 2.3.6-6), libccrtp1-1.4-0,
> libcommoncpp2-1.4-0, libgcc1 (>= 1:4.1.0), libgsm1 (>= 1.0.10),
> libqt3-mt (>= 3:3.3.6), libsndfile1, libspeex1, libstdc++6 (>= 4.1.0),
> libx11-6, libxext6, libxml2 (>= 2.6.26), zlib1g (>= 1:1.2.1)
> --------
> 
> I think that Wengophone uses ALSA too (not 100% sure):
> --------
> Depends: liba52-0.7.4, libasound2 (>> 1.0.10), libc6 (>= 2.3.5-1),
> libdc1394-13, libgcc1 (>= 1:4.1.0), libglib2.0-0 (>= 2.10.0), libgsm1
> (>= 1.0.10), libogg0 (>= 1.1.3), libqt3-mt (>= 3:3.3.6), libraw1394-5,
> libssl0.9.8 (>= 0.9.8a-1), libstdc++6 (>= 4.1.0), libtheora0,
> libvorbis0a (>= 1.1.2), libvorbisenc2 (>= 1.1.2), libx11-6, zlib1g (>=
> 1:1.2.1)
> -----------
> 
> Even linphone is using ALSA without problems (100% sure!):
> -----------
> Depends: libart-2.0-2 (>= 2.3.16), libatk1.0-0 (>= 1.9.0), libbonobo2-0
> (>= 2.13.0), libbonoboui2-0 (>= 2.5.4), libc6 (>= 2.3.6-6), libcairo2
> (>= 1.0.2-2), libfontconfig1 (>= 2.3.0), libgconf2-4 (>= 2.13.5),
> libglib2.0-0 (>= 2.10.0), libgnome-keyring0 (>= 0.4.3), libgnome2-0 (>=
> 2.14.1), libgnomecanvas2-0 (>= 2.11.1), libgnomeui-0 (>= 2.8.0),
> libgnomevfs2-0 (>= 2.13.92), libgtk2.0-0 (>= 2.8.0), libice6,
> liblinphone1 (>= 1.2.0), liborbit2 (>= 1:2.10.0), libosip2-3,
> libpanel-applet2-0 (>= 2.14.1), libpango1.0-0 (>= 1.12.1), libpopt0 (>=
> 1.7), libsm6, libx11-6, libxcursor1 (>> 1.1.2), libxext6, libxfixes3,
> libxi6, libxinerama1, libxml2 (>= 2.6.24), libxrandr2, libxrender1,
> zlib1g (>= 1:1.2.1), linphone-nox (= 1.3.5-1)
> ------------
> Maybe it helps...
> 

Not really, if the above commands do not work, then you have to report a
bug to ALSA on their bugtracker because it is an ALSA bug
(unfortunately)...

ALSA is supposed to give good results with that configuration.

Notice that ALSA 1.0.11 had a few bugs that were fixed on Debian, I
don't know for other distributions. The symptoms were : bad quality and
segfaults.
-- 
 _      Damien Sandras
(o-     
//\     Ekiga Softphone: http://www.ekiga.org/
v_/_    FOSDEM 2006    : http://www.fosdem.org/
        SIP Phone      : sip:dsandras@xxxxxxxxx
                         sip:600000@xxxxxxxxx

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