edge tone amplifier
device
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air pressure
- In sound: Variations in air pressure
…to flutes and recorders, an edge tone is a stream of air that strikes a sharp edge, where it creates pressure changes in the air column that propagate down the tube. Reflections of these pressure variations then force the air stream back and forth across the edge, reinforcing the vibration…
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musical properties
- In fluidics: Technological developments
Another significant development is the edge tone amplifier, which works very much like a musical instrument; air blown at a sharp wedge oscillates at very high frequencies (about 5,000 hertz) to produce an output that is virtually continuous. Frequency of oscillation (sound) is controlled mechanically or by varying the force…
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