Experiment V – Tube length and resonance

Date of Experiment: Sept 22, 2011

In this experiment, I played starting from the bass clef-bottom staff Bb down to an E.  I was looking at the effects of resonance in relation to the length of the tube.  Each length of tube corrisponds to a different note (or frequency) because each note has a different wavelength.  When the length of tube corresponds to this wavelength, the sound is most resonant.  However, in this experiment, it shown that a half step (ie. Bb to A) is still playable with the same length of tube.

In the following audio file, each interval will play the following:
Note corresponding to the tube length, pitch-bend note half-step lower with same tube length, extend tube length to corresponding note

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