Question

Difference between loudness and pitch. .?

Answer 1

Loudness is a subjective quantity,it varies according to hearer.
Pitch is an objective quantity.

Pitch depends on frequency.
Loudness depends on amplitude.

Hope it helped.

Answer 2

Loudness - sound which is strongly audible having exceptional volume or intensity.

Pitch - the quality of a sound governed by the rate of vibrations producing it