An electrical method of studying sound waves (1920)
Owens, Thurston Dorr · leaf 37
s this h^rmcnic, and for this reason its toneis dull. An interesting change is note! in the character of the open pipetone as the air pressure is increased. To the average ear, the onlychange apparent is the change in pitch as the pipe breaks fro;:, thefundamental to the first harmonic, or from the… … (*) (t) (c; (d) Figure (a) represents the tone produced by the pipe when blownvery softly. It approaches very jiosely a simple tone for it isnearly a sine wave. Stages (b) and (c) represent in order, soundsof greater intensity. The notch which appears in (b) has become 1? deeper in (c). In (d) we…
Sound-waves · Electronic instruments · Theses
Internet Archive · University of Illinois Urbana-Champaign · Public Domain Mark 1.0. Free to use for anything.
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