US Patent 10942563 Prediction of the attention of an audience during a presentation

A method for predicting attention of an audience during a presentation by a speaker. The method includes: measuring vocal or gestural characteristics of the speaker of the presentation in progress and/or of characteristics of content of the presentation in progress; measuring a parameter of duration or of occurrence of the measured characteristics; consulting a database having a correspondence between vocal or gestural speaker characteristics and/or presentation content characteristics, parameters of duration or of occurrence which relate to these characteristics and information relating to the evolution of the attention level for these characteristics and these parameters and recovering the information relating to the evolution of the attention level corresponding to the measurements performed; and presenting to the speaker, a prediction of attention level on the basis of the information recovered relating to the evolution of the attention level. Also provided are a prediction device, learning phase and a learning device.