Simple-audio-post-processing.md

@@ -97,3 +97,22 @@ pw-jack jconvolver -s pipewire-0 ~/virtual-surround/gsx-jconvolver.config
 Enjoy virtual surround in your headphones.
 
 Note that you'll need to re-create the PulseAudio sink (step 2) and start `jconvolver` (step 6) after every login.
+
+If you want to have that automated, use the following systemd unit definition in `~/.config/systemd/user/surround-headphones.service`:
+```
+[Unit]
+Description="7 channel Virtual Surround Sink"
+After=pipewire-pulse.service
+
+[Service]
+Type=simple
+StandardOutput=journal
+ExecStartPre=pw-cli create-node adapter '{ factory.name=support.null-audio-sink node.name=hrir-headphones media.class=Audio/Sink object.linger=1 audio.position=FL,BL,SL,FC,FR,BR,SR }'
+ExecStart=pw-jack jconvolver /home/username/virtual-surround/gsx-jconvolver.config
+ExecStopPost=/usr/bin/bash -c "pw-cli destroy `pw-cli dump short Node|grep hrir-headphones|awk -F: '{print $1}'`"
+RestartSec=5
+Restart=on-failure
+
+[Install]
+WantedBy=multi-user.target
+```
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