Movie clips from the the Van den Berg film, Voice Production: The Vibrating Larynx can be viewed (in gorgeous black and white!). You are responsible for understanding the laryngeal adjustments shown in these clips and their linguistic functioning.
A stroboscopic study of the layrngeal vibration structure is here.
Note the vertical phase difference and also the different layers or folds.
Clips extracted from the film Phonation Types Seen by Fibreoptic Laryngoscopy (produced by the Department of Phonetics and Linguistics, School of Oriental and African Studies [SOAS] and The Voice Clinic, Ferens Institute of Otolaryngology) can be viewed. These include: