pipewire/doc/dox/programs/pw-loopback.1.md
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\page page_man_pw-loopback_1 pw-loopback
PipeWire loopback client
# SYNOPSIS
**pw-loopback** \[*options*\]
# DESCRIPTION
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.
# OPTIONS
\par -h | \--help
Show help.
\par -r | \--remote=NAME
The name of the *remote* instance to connect to. If left unspecified, a
connection is made to the default PipeWire instance.
\par -n | \--name=NAME
Name of the loopback node
\par -g | \--group=NAME
Name of the loopback node group
\par -c | \--channels=NUMBER
Number of channels to provide
\par -m | \--channel-map=MAP
Channel map (default `[ FL, FR ]`)
\par -l | \--latency=LATENCY
Desired latency in ms
\par -d | \--delay=DELAY
Added delay in seconds (floating point allowed)
\par -C | \--capture=TARGET
Target device to capture from
\par -P | \--playback=TARGET
Target device to play to
\par \--capture-props=PROPS
Wanted properties of capture node (in JSON)
\par \--playback-props=PROPS
Wanted properties of capture node (in JSON)
# AUTHORS
The PipeWire Developers <$(PACKAGE_BUGREPORT)>;
PipeWire is available from <$(PACKAGE_URL)>
# SEE ALSO
\ref page_man_pipewire_1 "pipewire(1)",
\ref page_man_pw-cat_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 ...`).