2024
Voice deepfakes and the voices of identical twins: a preliminary acoustic analysis
Until very recently, if one were asked what are the most possible similar voices, the answer would probably be: siblings’ voices, …
Speaker identification of artificially cloned voices versus the voices of identical twins: a perceptual test.
Previous perceptual studies on voice deepfakes are mostly online tests asking listeners to decide whether a voice is real or fake. In …
Clustering approaches to dysarthria using spectral measures from the temporal envelope
Several clustering techniques were used for finding subgroups of speakers sharing common characteristics within a sample of 14 …
2023
Characterizing rhythm in dysarthric speech using the temporal envelope
This study investigated the rhythmic characteristics of 15 dysarthric speakers and 15 non-dysarthric speakers. Speech rhythm was viewed …
2022
2021
Voice quality at the crossroads between Forensic Phonetics and Clinical Phonetics
In this talk, I will focus on a voice parameter that has been widely investigated in Forensic Phonetics, particularly in the past five …
Maximum Phonation Time, Maximum Expiration Time, and the s/z ratio in twins
Objective: The purpose of this study was to determine whether monozygotic (MZ) and dizygotic (DZ) twins perform differently in the …
Metodologías de aprendizaje activo en la lingüística y sus aplicaciones: aprendizaje basado en proyectos y trabajo colaborativo
Este proyecto aúna dos metodologías bien conocidas en la innovación educativa actual: el aprendizaje basado en problemas …
2018
The individual and the system: assessing the stability of the output of a semi-automatic forensic voice comparison system
Semi-automatic systems based on traditional linguistic phonetic features are increasingly being used for forensic voice comparison …
2017
Cluster analysis of voice quality ratings: identifying groups of perceptually similar speakers
Cluster analysis is a way of classifying individual cases into groups on the basis of their similarity in respect of a defined set of …
Exploring pause fillers in conversational speech for forensic phonetics: Findings in a Spanish cohort including twins
Pause fillers occur naturally during conversational speech, and have recently generated interest in their use for forensic …
2016
Holistic perception of voice quality matters more than L1 when judging speaker similarity in short stimuli
Spanish and English naïve listeners judged the similarity of five pairs of Spanish speaking identical twins. Listeners rated …
2015
The vocal tract as a biometric: output measures, interrelationships, and efficacy
This paper explores methods for characterising individual voices using different vocal tract output measures. Mel frequency cepstral …
2014
2013
Oral corpus of Spanish male twins and siblings: Forensic-phonetic application and further uses
Having noted a lack of oral corpora of Spanish twins’ voices, we have collected a database which consists of the following …
2012
2011
Acústica forense basada en relaciones de verosimilitud: representaciones paramétricas de las trayectorias formánticas de algunas combinaciones vocálicas del español peninsular
Some parametric curves (polynomials and discrete cosine transforms) were fitted to the formant trajectories of a series of Spanish …
2010
Parametric representations of the formant trajectories of Spanish vocalic sequences for likelihood-ratio-based forensic voice comparison
Non-contemporaneous speech samples from 30 Spanish male speakers were compared within the forensic-likelihood-ratio framework. The …
Variación inter- e intralocutor: parámetros acústicos segmentales que caracterizan fonéticamente a tres hermanos
A speech fragment from three Spanish-speaking adult brothers has been acoustically analyzed. The number of significant differences in …