Only compatible with uncompressed 32768Hz / 8-bit WAVE files.  
Prior to compressing, please use monaural sounds up to 8kB, or stereo sound files up to 16kB.  

snd_click.wav/.ttb		Key Click Sound
snd_movepage.wav/.ttb	Page / Folder Navigation
snd_notify.wav/.ttb		Notification Sound
snd_open.wav/.ttb		Start Sound
snd_longtap.wav/.ttb		Progress Sound for Long Tap Mode
snd_poweroff.wav/.ttb	Auto Power-Off Sound

Translated by Densetsu3000