2021-09-01 12:08:59 +00:00
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---
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author: Alvie Rahman
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date: \today
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title: Pulseaudio
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2022-03-02 01:43:54 +00:00
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tags:
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- pulseaudio
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- linux
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- audio
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- mixing
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- microphone
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- sink
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uuid: 4e251354-9afb-49fd-abd9-fedc9b280a25
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2021-09-01 12:08:59 +00:00
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---
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# Collect and Mix Sound Input From Different Sources {#paMixer}
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## Create Mixer {#createMixer}
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From <https://askubuntu.com/a/870596>:
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> [...]
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>
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> pactl load-module module-null-sink sink_name=inputs
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>
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> [...] please repeat this for [every] input you want to mix [...]
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>
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> pactl load-module module-loopback sink=inputs
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>
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> Now you will have to connect this new "loopback" channels to the device you intend to record from.
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> You can do this using "pavucontrol" (install it if missing), open the "Recording" tab, select
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> "Virtual Streams" from the bottom selector and then make sure you connect a different input to
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> each different loopback.
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> [...]
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The number returned by each command is the module id.
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You may want to keep it if you want to [delete them individually](#destroyMixerSpecific).
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## Destroy Mixer {#destroyMixer}
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### Destroy _all_ Loopback and Null-Sink Modules {#destroyMixerAll}
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From <https://www.pclinuxos.com/forum/index.php/topic,119695.msg1159936.html#msg1159936>:
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>
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> pactl unload-module module-loopback
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> pactl unload-module module-null-sink
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>
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This will unload _all_ loopback and null-sink modules.
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2021-12-26 22:34:57 +00:00
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### Destroy Specific Modules {#destroyMixerSpecific}
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2021-09-01 12:08:59 +00:00
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>
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> pactl unload-module <module number>
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>
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