Sources of sound files
======================

silence.ogg
-----------

Notes:
    Generated 2 secs of silence - dd if=/dev/zero of=silence.pcm bs=176400 count=2 ; oggenc -r silence.pcm
    Generated by Neil Muller, Aug 2010
    Not copyrightable.

change_action.ogg
-----------------

Notes:
   Generated by: tools/gen_sound.py 400 0.25 ; oggenc -o change_action.ogg -r beep1000.pcm
   Generate by Neil Muller, May 2014
   License: MIT-style permissive license - see LICENSE.txt