cd /var/etc/sounds/sounds_ring_button
mv Chime.wav oldChime.wav
cp ../hohohomf2.wav Chime.wav
chmod 777 Chime.wav
File must be wav and 44100 hertz. Mono does not appear to be a requirement based on hohohomf2.wav
ffmpeg
ffmpeg.exe -i orig.mp4 -vn -acodec copy out.m4a
ffmpeg.exe -i .\out.m4a .\final.wav