Speech Sound Basics
A speech sound can be described through observable properties such as airflow, vocal-fold activity, and the position of the articulators. The aim is accurate description across languages and accents, not a verdict about which way of speaking is correct.
Voiced vs. Voiceless Sounds: What Changes?
A voiced sound involves vocal-fold vibration during the relevant part of its production; a voiceless sound does not.
What Is a Minimal Pair? A Sound-by-Sound Check
A segmental minimal pair consists of two words in the same language variety with different meanings and the same sound sequence except at one position.