[WVSyd]

 http://www.animations.physics.unsw.edu.au/waves-sound/

 

[WVSyd]

 http://www.acoustics.salford.ac.uk/feschools/

 

[WVSyd]

 http://www.acs.psu.edu/drussell/demos.html

 

[shadyJ]

Very cool stuff! thanks for sharing! A ton of great information there.

 

[WVSyd]

As there is no permanent Resource/Education section on this forum ( Hint, Hint )

And questions about concepts like impedance, resonance, and interference have come up recently - thought this might help