Hi all, I'm having a problem using module-loopback. I'm trying to take line-in audio in on machine A, stream it using pulseaudio to machine B and play it there. However I get crackling sound on the remote.
The network streaming is no problem, I can play sounds on machine A and they will play through machine B's speakers without crackling. I can sort of get the behaviour I want now with "pacat -r | pacat -p" on machine A, but pacat has it's own internal buffer so the latency using this is bad (1-3 seconds depending on the value of --latency-msec). So I want to use module-loopback to have pulseaudio automatically connect my line-in source to the network sink. I do this with (on machine A): pacmd load-module module-tunnel-sink server=10.186.0.111 rate=48000 channels=2 pacmd load-module module-loopback source=alsa_input.pci-0000_00_05.0.analog-stereo sink=tunnel.10.186.0.111 latency_msec=80 rate=48000 channels=2 Using this, I get sound (usually - but that's a different problem). However the sound is very crackly. It ranges from "slight crackle that's annoying" to "I can't even tell what song is playing". I have default-sample-rate = 48000 in my daemon.conf. I originally did not specify a rate in daemon.conf nor for the modules but it had the same effect. Any ideas what I could be doing wrong? Any help would be greatly appreciated. I'm running an ubuntu-provided pulseaudio (package version is 0.9.22~0.9.21+stable-queue-32-g8478-0ubuntu14, pulseaudio --version identifies as pulseaudio 0.9.21-63-gd3efa-dirty). The kernel version is 2.6.32 (2.6.32-38-server). I can try to update if that's necessary but I assume this is probably a configuration issue on my end. Best regards, -- Davíð Steinn Geirsson [email protected]
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