the kymograph, the device for recording speech

The kymograph is an instrument that allows the recording of speech. The goal is to record the articulatory movements of speech and thus understand how sounds are produced and pronounced. For Coriandre Vilain, research engineer at Gipsa Lab and science heritage project manager at UGA, “speech, like any sound signal, is a fleeting signal that we can analyze with our ears. Any phoneticist, before having instruments, had an expertise in listening to them which allowed him to transcribe sounds with phonetic alphabet-like signals, which remains very subjective. The inscription of the word allows to fix a…