First resonance [Hz]
close ← vowel → open
Second resonance [Hz]
back ← vowel → front
Language
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Spectrum Display
Formant Data
Spectral Slope
-9
Vibrato Amplitude
1.0
Overall Amplitude
-6.0
2 octaves down
Fundamental Frequency
261.63 Hz (C4, MIDI 60)
Vocal Tract Resonances
R1: 500 Hz | R2: 1500 Hz
Resultant sound level
Frequency [Hz]
Magnitude [dB]