C. Hernandez-Olivan

PhD in Music Technology & Deep Learning

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C. Hernandez-Olivan

Hi, I am C. Hernandez-Olivan from Zaragoza, Spain, a historic city known for its Roman heritage. I am passionate about music and cinema.

Currently, I am a Postdoctoral Fellow at NTT. My research interests include:

Employment

Sep 2025 ~ Postdoctoral Fellow, NTT Kyoto, Japan
Apr 2025 - Aug 2025 Research Intern, MAML, Universal Music Group, UK
Jan 2025 - Mar 2025 Visiting Research Scientist, Centre for Digital Music, Queen Mary University of London, UK (Supported by Ibercaja Grant)
Dec 2024 - May 2025 Research Intern, SONY CSL Japan
Jan 2024 - Aug 2024 Research Intern, NTT Kyoto, Japan (Supported by Vulcanus Japan)
Apr 2023 - Jul 2023 Research Intern, Sony AI, Japan
Mar 2021 - Mar 2023 Assistant Researcher, University of Zaragoza, Spain
Feb 2020 - Mar 2023 Co-Founder and Research Scientist, AIBeatz, Spain
Nov 2019 - Jun 2020 Junior Researcher, University of Zaragoza, Spain
Sep 2016 - Jun 2017 Engineering Intern, BSH, Spain

Education

Feb 2020 - Mar 2025 PhD in Electronics, University of Zaragoza, Spain
Sep 2017 - Dec 2019 MSc in Industrial Engineering, University of Zaragoza, Spain
Sep 2011 - Sep 2017 BSc in Industrial Technologies Engineering, University of Zaragoza, Spain
Sep 2003 - Jun 2013 Professional Degree in Viola, Professional Conservatory of Zaragoza, Spain

Journal Publications

[4] C. Hernandez-Olivan, and Jose R. Beltran, "Symbolic music structure analysis with graph representations and changepoint detection methods". Neurocomputing, vol. 666, 132208, 2026. (IF: 6.5, Q1)
[3] C. Hernandez-Olivan, and Jose R. Beltran. "Musicaiz: A python library for symbolic music generation, analysis and visualization." SoftwareX, vol. 22, 101365, 2023. (IF: 2.4, Q2)
[2] C. Hernandez-Olivan, C. Hernandez Lopez, I. Zay, Jose R. Beltran. "A comparison of deep learning methods for timbre analysis in polyphonic automatic music transcription." Electronics, vol. 10, no. 7, 810, 2021. (IF: 2.397, Q3)
[1] C. Hernandez-Olivan, Jose R. Beltran, and D. Diaz-Guerra. "Music boundary detection using convolutional neural networks." IJIMAI, vol. 7, no 2, pp. 78-88, 2020. (IF: 3.137, Q2)

Conference Publications

[5] C. Hernandez-Olivan, M. Delcroix, T. Ochiai, N. Tawara, S. Araki, "Ontology-based Target Sound Extraction" in IWAENC, 2026.
[4] C. Hernandez-Olivan*, V. Koops*, H. H. Tan, E. Quinton, "Single-step Controllable Music Bandwidth Extension with Flow Matching" in ICASSP, pp. 1–5, 2026.
[3] C. Hernandez-Olivan, M. Delcroix; T. Ochiai, D. Niizumi, N. Tawara; T. Nakatani, S. Araki, "SoundBeam meets M2D: Target sound extraction with audio foundation model" in ICASSP, pp. 1-5, 2025.
[2] C. Hernandez-Olivan, M. Delcroix; T. Ochiai, N. Tawara; T. Nakatani, S. Araki, "Interaural time difference loss for binaural target sound extraction" in IWAENC, pp. 210-214, 2024.
[1] C. Hernandez-Olivan, K. Saito, N. Murata, C.H. Lai, W. Liao, Y. Mitsufuji, "VRDMG: Vocal Restoration via Diffusion Posterior Sampling with Multiple Guidance" in ICASSP, pp. 596-600, 2024.

Patents

1 submitted — June 2026.

Grants

2026-03 Marie Curie Grant — Seal of Excellence 90% (not conceded)
2025-01 Ibercaja Predoctoral Grant — 1.800 Euros (visited C4DM in QMUL)
2023-12 Vulcanus in Japan — 1.900.000 JPY (interned at NTT Keihanna)

Organized Challenges

DCASE 2026 Task 4 — Spatial Semantic Segmentation of Sound Scenes
Task arXiv

Languages

Spanish (MT), English (C1; CAE), Italian (B2; Plida), French (B1; Certacles), Japanese (A1; JLPT N5), Chinese (A1; HSK 1)

Professional Service

Journal Reviewer:
Conference Reviewer:

Acknowledgements & Collaborations

University of Zaragoza BSH Sony AI NTT Sony CSL QMUL Universal Music Group