2. Corpus
2.1 The need for a corpus
In order to design new markers of sleepiness, we are proceeding in two stages:
1) Using previous systems proposed in the scientific literature, but also in collaboration with speech therapists, we design markers reflecting our intuition of the impact of sleepiness on the voice;
2) using statistical and/or machine learning methods, we select and validate these markers as biomarkers of sleepiness.
These two steps require the prior recording of the voices of drowsy and non-drowsy people, grouped together in a database – also known as a "corpus".
The following sections describe the development of the TILE corpus
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Corpus
Acoustic voice markers
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