Sweep supports playback via OSS (stock Linux kernels), ALSA 0.6.0 and Solaris audio drivers.

Press the spacebar to play the file, press Escape to stop it; or use the Play and Stop buttons.

The computer keyboard keys work like a piano keyboard with Q to I as the octave above middle C and Z to M the octave below.

To loop the sample, press shift+space.

The volume control on the right is a software control (ie. it does not alter the mixer settings). It can also be accessed with the mouse wheel if available.