Quantal theory of speech

E930090

The Quantal theory of speech is a foundational phonetic theory that explains why human languages favor certain stable speech sounds, linking articulatory-acoustic properties to the organization of phonological systems.

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Quantal theory of speech canonical 1

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Statements (48)

Predicate Object
instanceOf linguistic theory
phonetic theory
theory of phonology
theory of speech production
alsoKnownAs quantal theory
appliesTo consonant systems
features of manner of articulation
features of place of articulation
vowel systems
assumes listeners are sensitive to stable acoustic patterns
speech production is constrained by the vocal tract’s physical properties
contrastsWith purely articulatory accounts without acoustic mapping
purely symbolic phonological theories
coreIdea human languages favor certain stable speech sounds
nonlinear relations between articulatory parameters and acoustic output shape phonological systems
phonological contrasts tend to exploit acoustically stable regions separated by steep acoustic transitions
regions of articulatory space produce acoustically stable outputs
emphasizes existence of articulatory‑acoustic thresholds
nonlinear mapping between articulation and acoustics
robustness of speech perception to articulatory variability in quantal regions
explains organization of phonological systems in terms of articulatory‑acoustic relations
relative stability of some speech sounds under articulatory variation
why certain speech sounds are cross‑linguistically common
field acoustic phonetics
articulatory phonetics
phonetics
phonology
speech science
hasConcept acoustic stability
articulatory threshold
nonlinear articulatory‑acoustic relation
quantal region
influenced distinctive feature theory in generative phonology
feature theory in phonology
models of speech perception
models of speech production
links acoustic properties of speech
articulatory properties of speech
phonological structure
predicts clustering of phonological categories in acoustically stable regions
relative rarity of sounds relying on acoustically unstable regions
proposedBy Kenneth N. Stevens NERFINISHED
relatedTo articulatory‑acoustic mapping
phonological feature geometry
speech motor control
usedIn explanations of cross‑linguistic sound patterns
explanations of phonetic naturalness
explanations of phonological universals

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Kenneth N. Stevens notableWork Quantal theory of speech