Phonation types

    Background reading:
  • V&C Ch 13, sec 13.4-13.7 (glottal stops, phonation types, etc.)
  • AAP Ch 8, sec 8.1.1, "Phonation types"

1. States of the glottis

VF wide open VF adducted (not too tightly) VF tightly closed
voicelessness voicing/phonation glottal stop (also voiceless)

2. Creaky phonation

3. Breathy phonation

4. Acoustics of phonation types

A. Open quotient —> H1 relative amplitude

B. Periodicity, and other cues seen in a waveform/spectrogram

5. Summary: Phonation types

VF wide open VF adducted (not too tightly) VF tightly closed
voicelessness voicing/phonation glottal stop (also voiceless)
breathy modal creaky