Brian Heller, Director
The Three Worlds of Sound
- Acoustic
- Analog
- Digital
Acoustic
Waves of Air Pressure
Analog
Waves of Electricity
Digital
Waves of Numbers
Digital Analogy = Player Piano
Acoustic Radar!
1897-1965
California/Upstate New York
Text
Henry Cowell
Leslie Rotating Speaker
Changing loudness (amplitude) really fast = Tremelo
Changing pitch (frequency) really fast = Doppler Effect
Booker T & the MGs
"Green Onions" (1967)