[pulseaudio-discuss] pulseaudio seems to resample without need

[moebius]

Bonsoir,

Noone has an idea ?

cordialement,

I wonder how pulseaudio can "think" that sample rate is 48000 and then 
convert it to 44100. Is there something elsewhere ?

cordialement,


Le 25/04/2012 07:35, moebius a écrit :
> Bonjour,
>
> Well, I'm owning an emu0404 pci card on a debian wheezy system.
>
> With alsamixer, i turn frequency to 44100 Hz.
> Then when listening an audio CD with soundjuicer (but I obtain same
> result with vlc), frequency is to low ;
> It seems that pulseaudio believe that it's in 48000 Hz and then resample
> to 44100. When listening cd with soundjuicer, I have alsamixer in
> another window and if I change, in alsamixer, the clock internal rate to
> 48000Hz, everything is ok ; it's strange because cd is 44100 Hz.
>
> But, when ripping a song from the cd and listening him with alsa ( aplay
> track1.wav), the good sound is obtained with 44100 setting in alsamixer.
> And when I use jack, I have also to turn frequency to 44100 in alsamixer
> to obtain a 44100 sampling.
>
> But, with pulseaudio, I need to set clock internal rate to 48000Hz to
> obtain a good listening of a cd at 44100 .....strange, isn't it ?
>
> I've tried to uncomment some lines in pulse daemon.conf :
>
> default-sample-format = s16le
> default-sample-rate = 44100
> default-sample-channels = 2
> default-channel-map = front-left,front-right
>
> but it has no effect, even if I type
>
> default-sample-rate = 48000
>
>
> Well , I don't know what to do....
>
> cordialement,
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>