love.audio.stop
Stops currently played sources.
love.audio.stop()
love.audio.stop( source )
source Source The source on which to stop the playback.
love.audio.stop( source1, source2, ... )
source1 Source The first Source to stop.
source2 Source The second Source to stop.
... Source Additional Sources to stop.
love.audio.stop( sources )
sources table A table containing a list of Sources to stop.