Arts, Music, Technology, Audio Playback

Ambisonic.net

An alternative method of surround sound encoding, with technical articles, discography of ambisonic recordings, equipment listing, FAQ, and the Sursound mailing list.

http://www.ambisonic.net/
TalkBackwards.com

Upload a song or voice recording and hear it played backwards online to see if it contains any hidden messages, or just for the fun of it.

http://www.talkbackwards.com