F1 / F2 Acoustic Vowel Space Hz Graph
Drag target vowel nodes to manipulate formants (F1: Height, F2: Backness)
RP Ref
Target
Front Vowels ← F2 → Back Vowels
Close ← F1 → Open
Web Audio Formant & VOT Synthesizer Acoustic Engine
Synthesize acoustic tokens based on active F1/F2 formants and VOT delay
Audio Synthesizer Ready
Active Token
/a/ (far)
F1 / F2 Resonators
750 Hz / 1200 Hz
VOT Delay
12 ms
Acoustic Feature Parameters
Adjust articulation parameters to simulate regional phonetic shifts
0.85
Alveolar [d]
Subapical Retroflex [ɖ]
12 ms
Unaspirated (0-15ms)
Aspirated (40-80ms)
0.78
Stress-timed (RP/GA)
Syllable-timed (Indian Eng)
1420 Hz
Back Shift (1000Hz)
Front Shift (1800Hz)
Objective Acoustic Distance Vector
Sociolinguistic comparison against reference baseline variety
Acoustic Distance Score
0.42
Vowel Space Overlap
0.74
Perceptual Divergence
0.68
Syllable Timing Ratio
1.24
Dominant Shift Dimension
retroflex_consonant_dentalization
Tamil English profile displays strong retroflex articulation on coronal stops, reduced VOT aspiration, and syllable-timed rhythm contrasts relative to RP baselines.
Linguistic Provenance: IPA Acoustic Lab v1.16
Ready for Analysis