pw-audioconvert

The PipeWire audioconvert utility

SYNOPSIS

pw-audioconvert [OPTIONS] INFILE OUTFILE

DESCRIPTION

Use the PipeWire audioconvert to convert input file to output file, following the given options.

This is useful only for doing audio conversion but also apply effects on the audio using a filter-graph.

It understands all audio file formats supported by libsndfile for input and output. The filename extension is used to guess the output file container and format with the WAV file format as the default.

OPTIONS

-r RATE | --rate=RATE

Output sample rate. Default the same as the input sample rate.

-f FORMAT | --format=FORMAT

Output sample format (s8 | s16 | s32 | f32 | f64). Default the same as the input format.

-b BLOCKSIZE | --blocksize=BLOCKSIZE

Number of samples per iteration (default 4096)

-P PROPERTIES | --properties=PROPERTIES

Set extra stream properties as a JSON object. One can also use @filename to read the JSON object with properties from filename.

-c CHANNELS | --channels=CHANNELS

The number of output channels, default the same as the input.

--channel-map=VALUE

The channelmap. Possible values include are either a predefined channel layout such as Mono, Stereo, 2.1, Quad, 2.2, 5.1, or comma separated array of channel names such as FL,FR.

-h

Show help.

-v

Verbose operation.

EXAMPLES

pw-audioconvert -r 48000 -f s32 in.wav out.wav

AUTHORS

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

SEE ALSO

pipewire(1)