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Have you ever wondered
instruments have completely different sounds, even when playing THE
EXACT SAME NOTE?
It's mainly because of "Harmonic Overtones".
Basically, the pitch we hear comes from vibration. So if for example we
use the note "A" vibrating at 440 Hz, it will ALSO vibrate at
frequencies above that, at multiples of 440 Hz (eg 880 Hz, 1320 Hz,
These frequencies will have different strengths of vibration according
to the type of instrument playing, so as an example, a trumpet may
vibrate more strongly at 880 Hz, and a piano may vibrate more
strongly at 1320 Hz.
There are MANY frequencies vibrating simultaneously. and the strength
of these vibrations determines the TIMBRE of the instrument.
This is why a piano doesn't sound like a trumpet (or an elephant for that matter)
If you have any
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Copyright Simon Smith
2007. All rights reserved
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