Lecture Notes for February 12 and February 14

February 12 and February 14, 2002


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Table of Contents

Title Page

Plucked (or bowed) string

String stiffness

Pipes

Fundamental oscillation

Changing pitch of a pipe

Higher modes

Closed pipe

Fundamental frequency of closed pipe

Higher modes of closed pipe

Conical pipes: oboe, bassoon

Resonance

Resonance curves

Relationship between damping time and resonance width

Examples

More examples

Sound spectrum (Fourier spectrum)

Fourier synthesizer and Fourier analyzer

Tone quality (Timbre)

 Author: Willy Haeberli

Email: whaeberli@uwnuc0.physics.wisc.edu

Home Page: http://nuclear.physics.wisc.edu/~haeberli/

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