Describes the unique sound quality or tone color of a sound.

Disney, viacom and aol time warner are examples of

Which statement best describes the superposition principle? a.) if two in-phase waves arrive simultaneously at a point, their amplitudes add up b.) if two out-of-phase waves arrive simultaneously at a point, their amplitudes add up c.) if two in-phase waves arrive at a point one after another, their amplitudes add up d.) if two out-of-phase waves arrive at a point one after another, their amplitudes adds up

What is the name of the perceived change in a sound wave’s frequency due to motion between the observer and the sound source?