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pw-loopback - Man Page

PipeWire loopback client

Examples (TL;DR)


pw-loopback [options]


The pw-loopback program is a PipeWire client that uses the PipeWire loopback module to create loopback nodes, with configuration given via the command-line options.


-h | --help

Show help.

-r | --remote=NAME

The name of the remote instance to connect to. If left unspecified, a connection is made to the default PipeWire instance.

-n | --name=NAME

Name of the loopback node

-g | --group=NAME

Name of the loopback node group

-c | --channels=NUMBER

Number of channels to provide

-m | --channel-map=MAP

Channel map (default [ FL, FR ])

-l | --latency=LATENCY

Desired latency in ms

-d | --delay=DELAY

Added delay in seconds (floating point allowed)

-C | --capture=TARGET

Target device to capture from

-P | --playback=TARGET

Target device to play to


Wanted properties of capture node (in JSON)


Wanted properties of capture node (in JSON)


The PipeWire Developers <https://gitlab.freedesktop.org/pipewire/pipewire/issues>; PipeWire is available from <https://pipewire.org>

See Also

pipewire(1), pw-cat(1), pactl(1)

Other ways to create loopback nodes are adding the loopback module in the configuration of a PipeWire daemon, or loading the loopback module using Pulseaudio commands (pactl load-module module-loopback ...).


1.2.0 PipeWire