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|Friday, 20 November 2009 00:00|
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Any FREQUENCY in the audible RANGE, usually between 20 and 20,000 Hz, and often referring to the frequency of AUDIO signals. Also called the audio spectrum.
An ordering of a system of PITCHes, usually in ascending FREQUENCY order. The distance between any two pitches or NOTEs is called an interval.
For any PERIODIC wave the wavelength is the distance from a given point in the wave to the corresponding point in the next cycle of the wave, frequently represented by the Greek letter lambda. It may also be thought of as the distance the sound travels in one CYCLE or PERIOD.
Timbre or tone QUALITY is determined by the behaviour in time of the FREQUENCY content or SPECTRUM of a sound, including its TRANSIENTs which are extremely important for the identification of timbre.