12th Annual Conference of the International Speech Communication Association

Florence, Italy
August 27-31. 2011

“Would You Buy a Car from Me?” - On the Likability of Telephone Voices

Felix Burkhardt (1), Björn Schuller (2), Benjamin Weiss (1), Felix Weninger (2)

(1) Deutsche Telekom Laboratories, Germany
(2) Technische Universität München, Germany

We researched how "likable" or "pleasant" a speaker appears based on a subset of the "Agender" database which was recently introduced at the 2010 Interspeech Paralinguistic Challenge. 32 participants rated the stimuli according to their likability on a seven point scale. An Anova showed that the samples rated are significantly different although the inter-rater agreement is not very high. Experiments with automatic regression and classification by REPTree ensemble learning resulted in a cross-correlation of up to .378 with the evaluator weighted estimator, and 67.6% accuracy in binary classification (likable / not likable). Analysis of individual acoustic feature groups reveals that for this data, auditory spectral features seem to contribute the most to reliable automatic likability analysis.

Full Paper

Bibliographic reference.  Burkhardt, Felix / Schuller, Björn / Weiss, Benjamin / Weninger, Felix (2011): "“would you buy a car from me?” - on the likability of telephone voices", In INTERSPEECH-2011, 1557-1560.