Browse Teach Curate

Acoustic Features and Fundamental Frequency of Speech

The extraction of quantitative descriptors from a speech signal, most notably the fundamental frequency (perceived pitch) and its statistical distribution over an utterance. Such acoustic features are used to characterize a speaker's state and are analyzed with summary statistics like mean, variance, and skewness.

Questions this Concept answers

Why is \( F_0 \) treated as a proxy for pitch rather than as pitch itself?

jeremy Video

Pitch and Fundamental Frequency (F0) in Speech Prosody

Fundamental frequency (F0) is the acoustic measure of how often the vocal folds' open-close vibratory cycle (the pitch period) repeats per second, expressed in hertz, and it is computed as the recipr…