This paper proposes a spectral normalization approach in which the acoustical qualities of an input speech waveform are mapped onto that of a desired neutral voice. Such a method can be e ective in reducing the impact of speaker variability such as accent, stress, and emotion for speech recognition. In the proposed method, the transformation is performed by modeling the temporal characteristics...

This paper describes the latest progress in the development of a text-to-speech system for Portuguese. The system comprises 4 major modules: text normalization, linguistic and phonetic processing, generation of the synthesizer parameters and synthesis. The present rule-based version, based on the Klatt80 formant synthesizer, has achieved promising results, namely in what concerns the performanc...