In the Theater of Epidaurus, Greece, the regular spacing of the risers behind the seats causes unusual sound reflections.	A surface wave showing a sound interference pattern caused by two vibrating sources in water.

The Nature of Sound

A Catalog of Sounds

Molecules, Waves, Sounds

A Myth Exposed

Acoustic Wave Spectrum

Accoustic Wave Spectrum (.pdf)
Adobe Acrobat Reader required to view.

The Tide from String Quartet No. 4 (2:07)

The Tide (Real Audio)
To enjoy this sound, you must have a RealPlayer.

The Tide (MP3)

Notes for 'The Tide'