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    i know whats the fundamental frequency
    but what is overtones and harmonics
    and how many overtones can be made(infinite or something)
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    there are different systems in music and in physics.

    In Physics ...

    the first harmonic is the fundamental frequency

    the second harmonic is 2 x the fundamental

    the third harmonic is 3 x the fundamental etc...

    However, sometimes certain harmonics are not possible. E.g. for a tube closed at one end the second harmonic is not possible nor is any other even harmonic.

    A higher harmonic which is possible is called an overtone. therefore for a tube closed at one end the fist overtone = the third harmonic
 
 
 
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Updated: March 30, 2011

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