PHONATION TYPES

1. Voiceless – arytenoids apart, vocal folds widea part as in relaxed breathing:
   

2. Voiced – arytenoids together, vocal fold vibrating
   
   
   
   
   Vocal folds vibrate at high speed in the airstream produced by lungs
   VF vibrations are comparable to the buzzing of insect
   130vb/male, 230vb/ female per second
   Speed of vibration – frequency

3. Glottal stop – arytenoids together, vocal folds together but not vibrating
   
   
   
   
   airstream coming from lungs is momentarily stopped
   on the release of the glottal closure the blocked air rushes out with an effect rather like a weak cough

4. Creaky voice – arytenoids together, front portion of the vocal folds in slow vibration, rear portion of the vocal folds in rapid vibration
   
   Creak combined with voice
   
   CREAK: like a succession of glottal stops,
   one after another, sound like opening the old door

5. Whisper – arytenoids apart, vocal folds together but not vibrating
   
   
   
   
   
   
   
   
   through a gap at the rear of the larynx air passes at fairly high velocity

6. Breathy voice – arytenoids apart, vocal folds vibrating
   
   
   
   
   
   
   
   
   
   
   combination of voice and whisper
   “sexy voice”