TECHNIQUES FOR INVESTIGATING LARYNGEAL ARTICULATION AND THE VOICE-SOURCE. Section 1: Investigation of the devoicing gesture

This paper gives an overview of techniques for the investigation of the laryngeal devoicing gesture, discussing methodological issues relevant to the ensuring reliability and interpretability of the data. The emphasis is placed on fiberoptic filming and transillumination, as being the techniques most widely available in phonetics laboratories and probably most suitable for routine articulatory investigations. Brief consideration is also extended to laryngeal EMG and pulse-echo ultrasound.