Vocal Tract Normalisation in Computer Games

Mariusz Ziółko, Mariusz Mąsior, Bartosz Ziółko, and Magdalena Igras


Speech normalisation, afine warping


A new approach to speech normalisation is presented. A method that finds the optimal coefficient for linear slope of the warping function is described. The affine normalisation functions are suggested. Their coefficients depend on expected values of frequency when speech spectra are used as a density of probabilities. The method was developed for computer games to lower costs of recording dialogues and to make them more attractive for players.

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