Glossary
Searchable terminology from accessibility, web standards, and related fields.
5 results found in Psychoacoustics.
- Formant (Vocal Formant, Formant Frequency)
- A concentration of acoustic energy around a particular frequency in the speech signal, produced by the resonance of the vocal tract. Formants are labeled sequentially (F1, F2, F3, etc.) from lowest to…
- Fundamental Frequency (F0, Pitch Frequency, Voice Pitch)
- The lowest frequency of a periodic sound wave, corresponding to the rate at which the vocal folds vibrate during voiced speech. Fundamental frequency (F0) is perceived by listeners as pitch and is a p…
- Shepard Tone (Shepard Scale, Shepard-Risset Glissando)
- A psychoacoustic auditory illusion created by layering sine waves separated by octaves, producing the paradoxical perception of a tone that continuously rises (or falls) in pitch indefinitely, yet cyc…
- Speech Prosodics (Prosodic Features, Suprasegmental Features)
- Speech prosodics refers to the nonverbal acoustic features of speech that convey meaning beyond the words themselves, including pitch (fundamental frequency), rhythm, stress, intonation patterns, paus…
- Timbre (Tone Colour, Tone Color)
- The perceived quality or 'colour' of a sound that distinguishes different sources playing the same pitch and loudness — for instance, the difference between a flute, a violin, and a human voice singin…