interlude = single("/path/to/sorryfortheblank.ogg")
# After 5 sec of blank the microphone stream is ignored,
# which causes the stream to fallback to interlude.
# As soon as noise comes back to the microphone the stream comes
# back to the live -- thanks to track_sensitive=false.
stream = fallback(track_sensitive=false,
	              [ strip_blank(max_blank=5.,live) , interlude ])

# Put that stream to a local file
output.file(%vorbis, "/tmp/hop.ogg", stream)