CSD 360: Articulators of the Vocal Tract

articulation

refers to the involvement of a particular anatomical structures to create sounds of speech

mobile articulators

moveable structures that can function as the articulatory valve (ex. lips, tongue, mandible, soft palate)

Immobile articulators

immovable structures at the articulatory valves; typically fixed places of articulation (ex. upper dental arch, alveolar ridge of the upper jaw, hard palate)

Orbicularis oris, Risorius, and Buccinator

Muscles of the face and mouth

oral, pharyngeal, nasal

Cavities of the face and mouth

pharyngeal cavity

a tube consisting of three sections, the nasopharynx, oropharynx, and laryngopharynx

resonance

refers to the acoustic response of the oral, nasal, and pharyngeal cavity

place, manner, voicing

What do we use to classify speech sounds?

place

refers to location (bilabial, velar)

manner

how the sound is made (stop, fricative)

voicing

whether the vocal folds are vibrating or not (voiced/voiceless)

phonetics

study of speech sounds

International Phonetic Alphabet (IPA)

universal system of symbols used to represent each speech sound

orbicularis oris

rigorous

buccinator