Lecture 1

Question 1

What is sone?

Answer 1

A psychological scale of loudness – as sound intensity increases, loudness also increases (but more slowly). That is, as a sound gets louder, the human ear needs progressively greater and greater change in intensity to perceive an equal change in loudness.

Question 2

What is mels?

Answer 2

The psychological scale of pitch. Pitch increases also progress more slowly than increases in the corresponding physical dimension of frequency.