Speech Synthesis History:

http://www.cs.indiana.edu/rhythmsp/ASA/Contents.html

Acoustics and Vibration Animations:

http://www.kettering.edu/~drussell/demos.html

Sound wave tutorials:

http://www.glenbrook.k12.il.us/gbssci/phys/Class/sound/u11l1a.html

http://library.thinkquest.org/19537/

http://hyperphysics.phy-astr.gsu.edu/hbase/sound/soucon.html#soucon

National Center for Voice and Speech:

http://www.ncvs.org/

Sound analysis software:

“Spectrogram”

http://www.visualizationsoftware.com/gram/gramdl.html

“VoceVista”

http://www.visualizationsoftware.com/gram/voice.html

“CSpeech (demo version)”

http://userpages.chorus.net/cspeech/

“Praat”

http://www.praat.org/

Free Image Processing Software

“Image J”

http://rsb.info.nih.gov/ij/

“NIH Image”

http://rsb.info.nih.gov/nih-image/