How to use the command `pw-play` (with examples)

This article provides examples and explanations for using the pw-play command, which is a shorthand for pw-cat --playback. The command allows users to record audio files through pipewire.

Use case 1: Play a wav sound file over the default target

Code:

pw-play path/to/file.wav

Motivation: Playing a sound file over the default target can be useful for testing audio playback or simply enjoying the audio file.

Explanation:

• pw-play: The command itself.
• path/to/file.wav: The path to the wav sound file you want to play.

Example output:

• The specified sound file will be played through the default audio target, such as speakers or headphones.

Use case 2: Play a wav sound file at a different volume level

Code:

pw-play --volume=0.1 path/to/file.wav

Motivation: Adjusting the volume level allows users to control the audio playback according to their preferences.

Explanation:

• pw-play: The command itself.
• --volume=0.1: The argument --volume is used to specify the volume level. In this example, the volume is set to 0.1, representing a lower volume level.
• path/to/file.wav: The path to the wav sound file you want to play.

Example output:

• The specified sound file will be played at a volume level of 0.1, which is quieter compared to the default volume level.

Conclusion:

The pw-play command is a useful tool for recording audio files through pipewire. With the provided examples, users can easily play wav sound files over the default target or adjust the volume level for playback.