Audacity's playback device may be set to pulse or to any available audio interface.On systems where PulseAudio is the default sound system the recording device may be set to default.In Audacity's Device Toolbar, set the Host to ALSA and the recording device to pulse. If not already visible, reveal the Device Toolbar with View > Toolbars and ensure Device Toolbar is checked " on".This is usually available in the distribution's repository. If not already installed, add PulseAudio Volume Control (pavucontrol) to your system.Setting PulseAudio Volume Control to capture from the Monitor device lets Audacity record computer playback when its input device is set to pulse. PulseAudio Volume Control provides a "Monitor" device which listens for the audio output of other applications such as Firefox or Rhythmbox. PulseAudio operates as a proxy between sound applications and the audio hardware (usually via ALSA). ![]() It is the default audio device on many Linux distributions including Ubuntu, Linux Mint and many Debian/Ubuntu-based distributions. PulseAudio is a sound server providing professional audio features such as mixing and input/output routing.
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