– where does it come from? A sound is created when the particles in a medium (usually air in our world) are set moving and forced out of a state of rest.
Pressure variations in the air achieved by the sound waves.
Sound waves move at a certain speed past a fixed point.
Speech occurs by air being forced past the vocal chords, which then begin to vibrate.
The term for the study of sound and how sound is experienced
How sound behaves in a room.
Consider the shape, size, surfaces and furnishings.