Continuous recording of voice on a daily basis has emerged as a new paradigm in voice assessment over the past decades 1–3. As an example, the ubiquity of smartphone technology has opened new possibilities to record, store, and process raw voice data, enabling researchers to investigate voice features in an ambulatory scenario with app-type software 4. This integration of consumer technology facilitates the way for alternative recording methods.
Víctor M. Espinoza (Tue,) studied this question.
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