Outside the training aspect but something that might interest you regarding sound (definitely more reading needed than what is referenced in the article summary) was posted by another member here:
http://www.tonmo.com/forums/showthread.php?23733-Acoustic-Damage-to-Squid-Tissue
http://www.tonmo.com/forums/showthread.php?23733-Acoustic-Damage-to-Squid-Tissue
