Johnson (Phonetics) – Chapter 2 – The Acoustic Theory of Speech Production: Deriving Schwa

Derives the acoustic features of the vocal tract in terms of the source-filter model

Handbook of phonetic sciences – Ch 20 – Intro to Signal Processing for Speech (Sections 6-7)

Written for a non-technical audience, this gently introduces some key concepts in speech signal processing. Read sections 6-7.

Readings

Wayland (Phonetics) – Chapter 6 – Basic Acoustics

A concise introduction to acoustics: sounds, resonance, and the source-filter theory