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Simple audio post processing · Changes

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fix channel names authored by Wim Taymans's avatar Wim Taymans
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Simple-audio-post-processing.md
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......@@ -11,7 +11,7 @@ This approach leverages PipeWire's abilities to act as a JACK daemon and uses co
1. Install `JConvolver`.
2. Create a 7 channel PulseAudio sink:
```bash
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] }'
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,RL,SL,FC,FR,RR,SR] }'
```
3. Create the `~/virtual-surround/` directory:
```
......@@ -45,13 +45,13 @@ mkdir ~/virtual-surround/
# num port name connect to
# -------------------------------------------------------------------------
/input/name 1 Input.FL "hrir-headphones:monitor_FL"
/input/name 2 Input.BL "hrir-headphones:monitor_BLC" #5.1
/input/name 2 Input.RL "hrir-headphones:monitor_RL" #5.1
/input/name 3 Input.SL "hrir-headphones:monitor_SL" #7.1
/input/name 4 Input.FC "hrir-headphones:monitor_FC" # 3.1
/input/name 5 Input.FR "hrir-headphones:monitor_FR"
/input/name 6 Input.BR "hrir-headphones:monitor_BRC" #5.1
/input/name 6 Input.RR "hrir-headphones:monitor_RR" #5.1
/input/name 7 Input.SR "hrir-headphones:monitor_SR" #7.1
......@@ -113,7 +113,7 @@ After=pipewire-pulse.service
Type=simple
StandardOutput=journal
Environment="PIPEWIRE_LATENCY=1024/48000"
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] }'
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,RL,SL,FC,FR,RR,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
......