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What's sound and why is so important?

In physics, sound is a vibration that propagates as an acoustic wave, through a transmission medium such as a gas, liquid or solid.

In human physiology and psychology, sound is the reception of such waves and their perception by the brain.

In our world, every move generates a sound, sometimes we can hear it, sometimes not.

sound wave.jpg

Which are the elements of sound?

Sound has four elements or characterists:

Pitch is the perception of the frequency of the sound experienced, and is perceived as how "low" or "high" a sound is. It's measured in Hertz (Hz)


Intensity, or dynamics, is how loud or quiet a sound is and includes how stressed a sound is or articulation. It's measured in decibels (dB)

Timbre is the quality of a sound, determined by the fundamental and its secondary vibrations. It allows us to difference the same note on different instruments.

Duration is how long a sound can be. Normally, it's measured in seconds (s).

Score:  Turkish March

Recorder version

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recorder notes.jpg


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