Acoustic Vowel Quadrilateral (F1 vs F2)
Drag/Click Vowel Formants
Click on any vowel node in the chart to trigger Tone.js dual-formant acoustic synthesis.
BATH /ɑː/: 680Hz / 1320Hz
STRUT /ʌ/: 540Hz / 1150Hz
RP Distance: 42.6%
Sociolinguistic Perception & Dialect Leveling
Real-Time Polling Vector
Glottal Replacement /t/ → [ʔ] (Derision Trigger)
35%
Monophthongal FACE/GOAT [eː/oː] (Northern Vowels)
65%
GOOSE Fronting [ʉː] (Modern Dialect Leveling)
70%
Intervocalic T-Voicing [ɾ]
20%
Perceived Westminster Authority
76.5%
Red Wall Regional Authenticity
84.2%
Southern Suburban Appeal
68.4%
Westminster Derision Vulnerability
14.8%
Sociolinguistic Verdict
Optimal Dialect Leveling: High regional authenticity retention with minimized Westminster derision vulnerability.