Score:0

How to use snd-aloop correctly?

sm flag

I wanted an output-to-input loopback device for recording system audio so I ran:

modprobe snd-aloop

This worked insofar as it created a virtual device and all my system audio output automatically switched to this device. It also created a matching input device but it seems no audio is coming into that input device even when the corresponding output is receiving audio. I'm wondering what I could be doing wrong.

Score:-1
yt flag

It seems as though snd-aloop has some issues but on my machine (a raspberry pi 4 running rasbian os) i have fixed it by running

sudo bash | sudo echo 'snd-aloop' >> /etc/modules | exit

this seems to somehow direct the output to the virtual input device.

i think that modprobe snd-aloop just creates the loopback devices but the command sudo echo 'snd-aloop' >> /etc/modules appears to create and direct it to the correct devices.

hope this helps.

mangohost

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