® Expresso |

Research and Development

Title: Expresso
Sub Title: System for the Transformation of the Expressivity
Autor: Greg Beller
Signal Processing, Speech Modification
Development made in 2009

From a technical point of view, Expresso proposes a speech processing algorithm allowing the modiﬁcation of the expressivity of a neutral utterance. It presents an innovative database management system which is used, already, by some other automatic speech processing applications, requiring the manipulation of big corpus. It shows the establishment of a bayesian network as generative model of context dependent transformation parameters. From a technological point of view, Expresso is an experimental system of high quality transformation of the expressivity of a French neutral utterance, either synthetic or recorded.

Here is an example on how it sounds:

The original source utterance to be transformed…