Are you Smiling When I am Speaking?

Auriane Boudin, Roxane Bertrand, Magalie Ochs, Philippe Blache, & Stéphane Rauzy

Language Resources and Evaluation Conference, 2022@HAL

The aim of this study is to investigate conversational feedback that contains smiles and laughter. Firstly, we propose a statistical
analysis of smiles and laughter used as generic and specific feedback in a corpus of French talk-in-interaction. Our results
show that smiles of low intensity are preferentially used to produce generic feedback while high intensity smiles and laughter
are preferentially used to produce specific feedback. Secondly, based on a machine learning approach, we propose a two-stage
classification of feedback to automatically predict not only the presence/absence of a smile but, also the type of smile according
to an intensity-scale (low or high).

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