At Tue, 22 May 2007 21:40:43 -0700,
Prabhu Sivaraja wrote:
>
> Does ALSA automatically convert to my devices sample rate?
> My alsa.conf file is below
>
> pcm.mix {
> type dmix
> ipc_key 1024
> slave {
> pcm "hw:0,0"
> rate 48000
> }
> }
> pcm.!default {
> type plug
> slave.pcm "mix"
> }
>
> When I play a 32KHz file with aplay does it get up sampled to my device's
> 48KHz sample rate? I am assuming it does as it plays just fine but I am not
> sure where the upsampling happens?
Yes, the plug plugin does almost everything including upsamling.
Takashi
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