“…In the | 5 of 5 O'NEILL study, 267 people with and without type 2 diabetes were asked to record 6-to 10-s clips of their voice up to six times a day for 2 weeks, resulting in more than 18,000 voice samples. 11 They then studied differences in pitch, intensity (strength of the voice), jitter (vibration) and shimmer (breathiness or hoarseness). These features are too subtle to be perceived by the human ear but can be heard by a machine.…”