A very nice concise primer on the basic components of digital signal processing with great visual demonstrations.
Practical Phonetics
Videos for the course Practical Phonetics
Plag (2003) – Word formation in English: Chapter 1 Basic Concepts
An introductory text of word structure/morphology in English. Useful to read if you come from a non-linguistic background.
Peterson & Barney – Control Methods Used in a Study of the Vowels
Examines the production and perception of vowels. This is a classic paper that many other studies on have built on.
Normal Speech Articulation
X-ray movies of speech
Lyons – Understanding Digital Signal Processing
A great introduction to digital signal processing, including the maths!
Ladefoged & Johnson – A course in phonetics – Online examples
An Introduction to articulatory phonetics and speech acoustics
Ladefoged & Johnson – A course in phonetics – Chapter 8 – Acoustic phonetics
Links the source-filter model to spectrograms and acoustic analysis of speech.
Ladefoged & Johnson – A course in phonetics – Chapter 2 – Phonology and Phonetic Transcription
Basics of phonology and phonetic transcription. Read this over Speech Processing modules 1 and 2.
Ladefoged & Johnson – A course in phonetics – Chapter 1 – Articulation and Acoustics
An Introduction to articulatory phonetics and speech acoustics
Ladefoged (Elements) – Chapter 8 – Resonances of the vocal tract
A more detailed look at how resonance occurs in the vocal tract, and how that can be used to explain the sound quality (e.g. formant frequencies) of vowel sounds.
Ladefoged (Elements) – Chapter 7 – The production of speech
Some phonetics at last, and a first encounter with the source-filter model of speech.