Lecture 2+3 - Speech Fundamentals & Perception

Question 1

What’s the difference between voiced and unvoiced speech?

Answer 1

Voiced; use vocal tracts (/zz/, a,e,i,o,u)

Unvoiced; does not use vocal tracts, just use airflow (sh, zh, f)

Question 2

Give the range of intensity for sound

Answer 2

10^-12 < sound intensity < 10 watts/square meter