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:

Source separation/Target sound extraction (general sounds, audio tagging, sound event detection)
Music restoration (audio enhancement, bandwidth extension, declipping)
Music generation (symbolic and generative models)
Music structure analysis (boundary detection and graph representations)

Employment

Sep 2025 ~ Postdoctoral Fellow, NTT Kyoto, Japan

Apr 2025 - Aug 2025 Research Intern, MAML, Universal Music Group, UK

Jan 2025 - May 2025 Visiting Research Scientist, Centre for Digital Music, Queen Mary University of London, UK (Supported by Ibercaja Grant)

Mar 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

[4] C. Hernandez-Olivan*, V. Koops*, H. H. Tan, E. Quinton, "Single-step Controllable Music Bandwidth Extension with Flow Matching" in ICASSP, 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, 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, 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, 2024.

Professional Service

Journal Reviewer:

IEEE Transactions on Neural Networks and Learning Systems (TNNLS)
Computer Music Journal (CMJ)
Transactions of the International Society for Music Information Retrieval (TISMIR)
Nature Scientific Reports
International Journal of Interactive Multimedia and Artificial Intelligence (IJIMAI)

Conference Reviewer:

IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP)

Employment

Education

Journal Publications

Conference Publications

Languages

Professional Service

Acknowledgements & Collaborations