viernes, 10 de febrero de 2012

QUALITIES OF SOUND

INTENSITY: intensity depends upon the amplitude of the sound wave. If the sound is loud, the amplitude is large. If the sound is soft; the amplitude is small.

PITCH: the pitch of a sound depends on the frequency of its sound waves. Pitch enables us to differentiate between the high notes and the low notes made by a musical instrument.

TONE: tone enables us to identify the source of a sound with the same frequency and intensity. For example, a guitar does not sound like a saxophone. That is because every musical instrument has a unique tone. Every person´s voice is different because every voice has a unique tone. 

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