Rafael Martínez-Olalla

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Alzheimer's Disease (AD) speech production is being classicaly studied under different aspects as prosody, rhythmic or semantics, phonation being an unexplored field. The present work is devoted to the study of several cases under the scope of phonation, including AD speakers and healthy controls. Temporal events with interest in phonation are studied.(More)
Parkinson's Disease (PD), contrary to other neurodegenerative diseases, supports certain treatments which can improve patients' conditions or at least mitigate disease effects. Treatments, either pharmacological, surgical or rehabilitative need longitudinal monitoring of patients to assess the progression or regression of thier condition, to optimize(More)
The Glottal Source is an important component of voice as it can be considered as the excitation signal to the voice apparatus. The use of the Glottal Source for pathology detection or the biometric characterization of the speaker are important objectives in the acoustic study of the voice nowadays. Through the present work a biometric signature based on the(More)
Gender detection is a very important objective to improve efficiency in tasks as speech or speaker recognition, among others. Traditionally gender detection has been focused on fundamental frequency (f0) and cepstral features derived from voiced segments of speech. The methodology presented here consists in obtaining uncorrelated glottal and vocal tract(More)
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