[PD] ALSA loopback

Jack jack at rybn.org
Thu Apr 12 15:06:49 CEST 2018


Hello,

Somme interrogation here with ALSA loopback and Pd.

I used to use ALSA loopback to route audio on my Linux and it works like
a charm with ffmpeg : I send the audio to hw:1,0,0 and get it on
hw:1,1,0. And the sound sounds good (no glitch).

With Pd, it is not the same. First I need to send the sound on hw:1,1,0
(for instance with ffmpeg) and get it on the card Loopback (in Pd). The
sound is noisy.

So, my three questions :

Why the sound is noisy using Pd and how to solve this ?
Why I need to send the sound to hw:1,1,0 (and not hw:1,0,0) to get it
with Pd ? (not a problem actually)
How can I get access to the other device of Loopback with Pd ?

It seems I miss something somewhere...

++

Jack





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