Research
Every paper, grouped by line of work. Each entry opens with one plain-language sentence; the full citation is one click away.
§1 Voice as a clinical signal
- [1]
Vera-López Á. et al. · Frontiers in Medicine · 2026
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Vera-López Á., Tilves-Santiago D., Ramírez-Sánchez J.M., Docío-Fernández L., García-Mateo C., Bustillo-Casado M., García-Caballero A.A. Improving respiratory disease detection through SSL-enhanced acoustic analysis and exercise-rest measurements. Frontiers in Medicine, 2026.
- [4]
Voice biomarkers need clinical-grade validation: an extension of the V3 framework, focused on the data life cycle of clinical trials, and an open toolkit to check voice health datasets.
Ramírez J.M. et al. · XoveTIC · 2024
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Ramírez J.M., Docío-Fernández L., García-Mateo C. Dataset-Driven Voice Biomarker Validation: Advancing Clinical Standards with the Enhanced V3 Framework. XoveTIC 2024 (7th XoveTIC Congress, A Coruña), 2024.
- [6]
Ramírez Sánchez J.M. et al. · JMIR Preprints · 2023
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Ramírez Sánchez J.M., Docío-Fernández L., García Mateo C., Bustillo-Casado M., García-Caballero A.A. Identifying patients with Long COVID: study of the effectiveness of voice signal analysis and machine learning. JMIR Preprints, 2023.
§2 Mental-health AI and conversational safeguards
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An open psychometric and demographic dataset of adolescents at high risk of suicide, released to support reproducible mental-health AI.
Ramírez Sánchez J.M. et al. · Zenodo · 2026
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Ramírez Sánchez J.M., Manso-Vázquez M., Gómez Gómez B., et al. VisIA-Q: A cross-sectional psychometric and demographic dataset of adolescents at high-risk for suicide. Zenodo, 2026.
- [3]
A chat agent designed to spot suicide risk factors during a live conversation and to respond safely when it finds them.
Ramírez Sánchez J.M. et al. · IWSDS · 2025
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Ramírez Sánchez J.M., Manso Vázquez M., García-Mateo C., Docío-Fernández L., Fernández-Iglesias M.J., Gómez-Gómez B., Pinal B., Brañas A., García-Caballero A. Design of a conversational agent to support people on suicide risk. IWSDS 2025 (International Workshop on Spoken Dialogue Systems Technology), 2025.
- [5]
The plan for VisIA: a multimodal system that detects emotional distress and a speech-based conversational agent built on clinical guidelines, for non-invasive suicide-risk assessment in young adults.
Ramírez Sánchez J.M. et al. · IberSPEECH · 2024
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Ramírez Sánchez J.M., Manso M., García-Mateo C., Gómez-Gómez B., Pinal B., Brañas A., García Caballero A., Docío-Fernández L., Fernández-Iglesias M.J. VisIA Project: design of an automated AI-based emotional distress and suicide risk detection system. IberSPEECH 2024, 2024.
§3 Robust speech recognition and spoken search
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Results of an international challenge on finding spoken words and phrases in audio from several domains.
Tejedor J. et al. · Applied Sciences · 2021
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Tejedor J., Toledano D.T., Ramírez J.M., Montalvo A.R., Álvarez-Trejos J.I. The Multi-Domain International Search on Speech 2020 ALBAYZIN Evaluation: Overview, Systems, Results, Discussion and Post-Evaluation Analyses. Applied Sciences, 2021.
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A tool that finds spoken terms in audio recordings.
Ramírez Sánchez J.M. et al. · V Conferencia Internacional en Ciencias Computacionales e Informáticas · 2020
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Ramírez Sánchez J.M., Montalvo Bereau A.R., Calvo de Lara J.R. GELABERT: herramienta para la detección automática de términos hablados. V Conferencia Internacional en Ciencias Computacionales e Informáticas (CICCI 2020), 2020.
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Which data augmentation techniques actually help speech recognisers. My most-cited paper.
Ramírez J.M. et al. · CIARP · 2019
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Ramírez J.M., Montalvo A., Calvo J.R. A Survey of the Effects of Data Augmentation for Automatic Speech Recognition Systems. CIARP 2019, Lecture Notes in Computer Science, 2019.
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Results of the ALBAYZIN 2018 international evaluation on detecting spoken terms in Spanish audio.
Tejedor J. et al. · EURASIP Journal on Audio · 2019
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Tejedor J., Toledano D.T., Lopez-Otero P., Docío-Fernández L., Montalvo A.R., Ramírez J.M., Peñagarikano M., Rodríguez-Fuentes L.J. ALBAYZIN 2018 spoken term detection evaluation: a multi-domain international evaluation in Spanish. EURASIP Journal on Audio, Speech, and Music Processing, 2019.
- [13]
Ramírez Sánchez J.M. et al. · Revista Ingeniería Electrónica · 2019
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Ramírez Sánchez J.M., Montalvo Bereau A.R., Calvo de Lara J.R. Evaluación de Rasgos Acústicos para el Reconocimiento Automático del Habla en Escenarios Ruidosos usando Kaldi. Revista Ingeniería Electrónica, Automática y Comunicaciones (RIELAC) 40(3), 2019.
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CENATAV's system for the Albayzin 2018 search-on-speech challenge.
Montalvo A.R. et al. · IberSPEECH · 2018
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Montalvo A.R., Ramírez J.M., Roble A., Calvo J.R. Cenatav Voice Group System for Albayzin 2018 Search on Speech Evaluation. IberSPEECH 2018, 2018.
§4 Language technology for under-resourced languages
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The state of speech and language technology for Galician, written as the Galician representative in the EU-funded European Language Equality project.
Ramírez Sánchez J.M. et al. · European Language Equality · 2023
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Ramírez Sánchez J.M., Docío-Fernández L., García-Mateo C. Language Report Galician. European Language Equality (Springer, Cognitive Technologies), 2023.
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Where Galician stands in speech and language technology, and which resources are still missing.
Ramírez Sánchez J.M. et al. · IberSPEECH · 2022
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Ramírez Sánchez J.M., Docío-Fernández L., García-Mateo C. Galician's Language Technologies in the Digital Age. IberSPEECH 2022, 2022.