tips:audio [Galileo Labs]

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====== Audio ======

===== pulse headless =====

<code bash>
sudo apt install pulseaudio pulseaudio-module-zeroconf gstreamer1.0-plugins-base-apps gstreamer1.0-pulseaudio
</code>

<file ini /etc/systemd/system/pulseaudio.service>

# systemd service spec for pulseaudio running in system mode -- not recommended though!
# on arch, put it under /etc/systemd/system/pulseaudio.service
# start with: systemctl start pulseaudio.service
# enable on boot: systemctl enable pulseaudio.service 
[Unit]
Description=Pulseaudio sound server
After=avahi-daemon.service network.target

[Service]
ExecStart=/usr/bin/pulseaudio --system --disallow-exit --disallow-module-loading
ExecReload=/bin/kill -HUP $MAINPID

[Install]
WantedBy=multi-user.target
</file>

<file ini /etc/pulse/system.pa>
load-module module-native-protocol-tcp auth-ip-acl=127.0.0.1;192.168.0.0/16
load-module module-zeroconf-publish
</file>

<file ini /etc/pulse/client.conf>
default-server = 127.0.0.1
</file>


===== test =====

<code bash>
gst-launch-1.0 audiotestsrc ! audioresample ! autoaudiosink
</code>