Montevideo, Uruguay EN/ES

Gabriel Bibbó

Investigador e ingeniero de Audio ML

Audio ML · DSP · machine listening · privacidad acústica · audio en tiempo real · MIR

Ingeniería desde 2016Investigación en audio desde 202213 publicaciones y trabajosAutorización laboral UE

Actualizado 6 sep 2026

Gabriel Bibbó

Preguntas de trabajo

¿Qué significa realmente que un modelo de audio sea robusto?

Audio corto, ruidoso, reverberante y filtrado; hardware real.

¿Cuánta información acústica podemos conservar sin conservar habla?

Datasets y flujos de publicación con privacidad incorporada.

¿Cómo hacemos que machine listening sea útil para músicos?

Mezcla armónica, organización de librerías y análisis en tiempo real.

Trabajo seleccionado

Robustez, privacidad, machine listening y tecnología musical.

Ganancia de recuperación en difusión text-to-audio podada
Text-to-audio · compresión de modelos · evaluación2026

Ganancia de recuperación en difusión text-to-audio podada

El fine-tuning de recuperación puede hacer que un modelo text-to-audio fuertemente podado parezca casi recuperado cuando se evalúa en condiciones similares a las usadas durante ese fine-tuning. Pero esa recuperación aparente se debilita mucho con clips más cortos o prompts fuera de dominio. El resultado muestra por qué los modelos generativos comprimidos deben evaluarse en múltiples condiciones reales de uso, no en un único benchmark.

AudioLDM · Diffusion · Structured pruning · CLAP · PyTorch

Modelos audio-lenguaje para detección de actividad de voz
Audio AI · VAD · evaluación de modelos2025-2026

Modelos audio-lenguaje para detección de actividad de voz

Evalúo hasta dónde los modelos audio-lenguaje siguen detectando habla cuando el audio es corto, ruidoso, reverberante o filtrado. El trabajo compara Qwen2-Audio-7B, Qwen2-Audio-7B con LoRA, Qwen3-Omni-30B y Silero VAD sobre el mismo banco de degradaciones. El mejor resultado alcanzó 93,3% de balanced accuracy sobre 21.340 clips degradados.

Qwen · LoRA · OPRO · Silero · PyTorch

Dataset Sounds of Home
Dataset con privacidad · audio doméstico2024

Dataset Sounds of Home

Sounds of Home es un dataset de audio residencial para detección de eventos sonoros. Contiene 1.344 grabaciones de una hora recogidas en hogares de 8 participantes en Bélgica con grabadores AudioMoth en salas y cocinas. El habla se eliminó antes de la publicación y se incluyeron predicciones de PANNs para los frames de audio.

SED · AudioMoth · PANNs · Datasets

Framework para eliminación de habla
Privacidad · eliminación de habla · WASPAA2025

Framework para eliminación de habla

Framework para eliminar habla de grabaciones antes de compartirlas o publicarlas. El sistema permite flujos de liberación con preservación de privacidad manteniendo información acústica no verbal útil para investigación en detección de eventos sonoros.

PANNs · AST · Silero VAD · WebRTC VAD · Audio privacy

Compatibilidad armónica para mezcla de EDM
MIR · mezcla armónica · tesis MSc2021-2022

Compatibilidad armónica para mezcla de EDM

Sistema de análisis musical que estima cuán bien se mezclan armónicamente dos pistas de EDM. Analiza las pistas, calcula chroma, lo transforma en Tonal Interval Vectors, compara compatibilidad armónica y sugiere transposiciones que pueden mejorar la mezcla. El trabajo comenzó como tesis de MSc y luego se publicó en ICWE 2022.

Chroma · TIV · Essentia · librosa · EDM

Plataforma de mejora para ASR
Speech enhancement · plataforma backend2026

Plataforma de mejora para ASR

MVP end-to-end para comparar transcripción directa contra enhance-and-transcribe sobre audio pregrabado. El backend persiste jobs, artefactos de audio, transcripciones y payloads de proveedores con FastAPI, Celery, PostgreSQL, Redis, MinIO, Docker Compose, métricas, tracing, Grafana y CI. Es un prototipo de ingeniería reproducible, no un servicio endurecido para producción.

FastAPI · Celery · Docker · PostgreSQL · Redis

Traktor ML
MIR · organización de biblioteca DJ2026

Traktor ML

Traktor ML convierte una biblioteca local de Techno y Tech House en playlists listas para Traktor. El pipeline extrae embeddings MERT, separa stems con Demucs, obtiene BPM y tonalidad con Essentia, agrupa pistas similares, las ordena para transiciones más suaves y exporta playlists M3U. La ejecución V4 procesó 239 pistas y exportó 14 playlists.

MERT · Demucs · Essentia · HDBSCAN · UMAP · Streamlit

Experiencia

Jun.2026-Present
Edge Audio Labs

ML/DSP Engineer

Edge Audio Labs · Montevideo, Uruguay · Hybrid

  • Applied machine learning, digital signal processing, testing, and perceptual evaluation across two confidential audio product lines, without disclosing client or project identities.
  • Designed and delivered a rendering-side feature that maps score dynamics to model-level timbral expression rather than post-render gain alone, after reverse-engineering the end-to-end audio pipeline and identifying a hidden control-path failure.
  • Built measurement and listening-test tooling covering approximately 580 renders and a 48-clip blind evaluation, then delivered the feature server-side without retraining the model.
  • Built a headless C++ evaluation pipeline for real-time note and onset detection, from WAV and MIDI inputs through the production DSP to JSON metrics, regression tests, and adversarial canary cases.
  • Found and corrected a systematic onset timing offset of approximately 104 ms, improved detector guard logic, and communicated results through technical documentation, pull requests, Jira, and client-facing presentations.
Dec.2025-Present
University of Surrey

Visiting Researcher (collaboration)

University of Surrey · Remote · Research collaboration

  • Preparing the manuscript ‘A Psychometric Evaluation of Audio-Language Models for Robust Voice Activity Detection’ for Elsevier Computer Speech & Language with Mark D. Plumbley and Simone Spagnol.
  • Co-authoring work with Arshdeep Singh and Mark D. Plumbley on privacy-preserving audio and machine listening.
Nov.2022-Nov.2025
University of Surrey

Research Engineer in Sound Sensing

University of Surrey · Guildford, UK · Research engineering

  • Developed end-to-end audio ML systems for real-world smart environments, covering data preparation, model evaluation, prototype deployment, open-source releases, demos, datasets, and technical documentation.
  • Built privacy-preserving SED pipelines for sensitive in-home recordings, including a 197 GB residential audio dataset, speech-removal workflows, and reproducible evaluation resources.
  • Built an eight-model VAD benchmark on CHiME-Home and, separately, evaluated audio-language models under controlled duration, noise, reverberation, and spectral degradations.
  • Deployed real-time CNN inference on Raspberry Pi, including latency, thermal, efficiency, and robustness evaluation for edge sound sensing.
  • Published and presented research at ICASSP, IEEE WASPAA, CHiME Workshop, Inter-Noise, SMC, UKAI, UKIS, and AES. Supervised undergraduate and master’s projects.
Mar.2022-Nov.2022
Google

Technical Support Engineer - Google Workspace

Webhelp · Barcelona, Spain · Enterprise support

  • Tier 3 support for Google Workspace enterprise customers across APIs, OAuth, SAML/SSO, IAM, user provisioning, data migration, DNS/domain configuration, and security/compliance settings.
Nov.2021-Mar.2022
KPMG

IT Auditor

KPMG · Barcelona, Spain · Technology audit

  • Supported telecommunications companies and IT departments in technology audit engagements.
Aug.2016-Dec.2019
Ikatu

R&D Engineer

Ikatu · Montevideo, Uruguay · Embedded R&D

  • Designed and shipped embedded C/C++ audio and IoT firmware for Bang & Olufsen home automation products, including low-level drivers, hardware integration, audio I/O, and Internet connectivity.
  • Worked across requirements, architecture, implementation, testing, validation, and customer-facing documentation.
  • Trained and onboarded incoming programmers in embedded development practices.
Apr.2016-Jul.2016
Ikatu

Engineering Intern

Ikatu · Montevideo, Uruguay · Engineering internship

  • Developed and coordinated a complete home automation system project before transitioning into the R&D Engineer role.

Educación

Sep.2020-Aug.2021
Universitat Pompeu Fabra Music Technology Group

MSc Sound and Music Computing

Universitat Pompeu Fabra · Barcelona, Spain

60 ECTS · Computational models, audio engineering, perception, cognition, and interactive systems

Master thesis on harmonic compatibility for EDM mixing. Final thesis grade: 9/10.

Feb.2012-Dec.2017
Facultad de Ingeniería, Universidad de la República

BSc Electrical Engineering

Universidad de la República - Facultad de Ingeniería · Montevideo, Uruguay

Equivalent to 300 ECTS · Specialisation in electronics and signal processing

Bachelor thesis on autonomous mobile robots communicated by software-defined radio.

Mar.2002-Dec.2005

Formal musical training

School Nº265 ‘Virgilio Scarabelli Alberti’ · Montevideo, Uruguay

Musical language, choral singing, guitar, and instrumental ensembles

Publicaciones

2025

  1. Privacy for Audio AI: Risks, Challenges, and Emerging Solutions in the Era of Audio AI [Panel discussion]

    Privacy for Audio AI: Risks, Challenges, and Emerging Solutions in the Era of Audio AI [Panel discussion]

    Privacy for Audio AI: Risks, Challenges, and Emerging Solutions in the Era of Audio AI [Panel discussion]

    Thomas Deacon; Jennifer Williams; Jason R. C. Nurse; Christopher Hicks; Gabriel Bibbó; Arshdeep Singh; Mark D. Plumbley

    2025 AES International Conference on Artificial Intelligence and Machine Learning for Audio

  2. Speech Removal Framework for Privacy-preserving Audio Recordings

    Speech Removal Framework for Privacy-preserving Audio Recordings

    Speech Removal Framework for Privacy-preserving Audio Recordings

    Gabriel Bibbó; Arshdeep Singh; Thomas Deacon; Mark D. Plumbley

    2025 IEEE Workshop on Applications of Signal Processing to Audio and Acoustics (WASPAA), Tahoe City, CA, October 2025

  3. Room Acoustics and Microphone Characteristics Show Systematic Impact on Sound Event Recognition

    Room Acoustics and Microphone Characteristics Show Systematic Impact on Sound Event Recognition

    Room Acoustics and Microphone Characteristics Show Systematic Impact on Sound Event Recognition

    Gabriel Bibbó; Craig Cieciura; Mark D. Plumbley

    Proceedings of the 54th International Congress and Exposition on Noise Control Engineering, São Paulo, Brazil, August 2025

  4. Integrating IP broadcasting with audio tags: Workflow and challenges

    Integrating IP broadcasting with audio tags: Workflow and challenges

    Integrating IP broadcasting with audio tags: Workflow and challenges

    Rhys Burchett-Vass; Arshdeep Singh; Gabriel Bibbó; Mark D. Plumbley

    2025 AES International Conference on Artificial Intelligence and Machine Learning for Audio

  5. Soundscape Experience Mapping: A Deep Listening Approach for Eliciting Older Adults' Perceptions of Indoor Soundscapes

    Soundscape Experience Mapping: A Deep Listening Approach for Eliciting Older Adults' Perceptions of Indoor Soundscapes

    Soundscape Experience Mapping: A Deep Listening Approach for Eliciting Older Adults' Perceptions of Indoor Soundscapes

    Thomas Deacon; Gabriel Bibbó; Arshdeep Singh; Mark D. Plumbley

    Forum Acusticum / Euronoise 2025, Málaga, Spain, June 2025

  6. Personalized Live Sound Recognition Using Efficient PANNs [Show and Tell]

    Personalized Live Sound Recognition Using Efficient PANNs [Show and Tell]

    Personalized Live Sound Recognition Using Efficient PANNs [Show and Tell]

    Arshdeep Singh; Haohe Liu; Gabriel Bibbó; Thomas Deacon; Mark D. Plumbley

    IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP 2025), Hyderabad, India, April 2025

2024

  1. Environmental sound classification on an embedded hardware platform

    Environmental sound classification on an embedded hardware platform

    Environmental sound classification on an embedded hardware platform

    Gabriel Bibbó; Arshdeep Singh; Mark D. Plumbley

    INTER-NOISE and NOISE-CON Congress and Conference Proceedings, Nantes, France, August 2024

  2. The Sounds of Home: A Speech-Removed Residential Audio Dataset for Sound Event Detection

    The Sounds of Home: A Speech-Removed Residential Audio Dataset for Sound Event Detection

    The Sounds of Home: A Speech-Removed Residential Audio Dataset for Sound Event Detection

    Gabriel Bibbó; Thomas Deacon; Arshdeep Singh; Mark D. Plumbley

    8th International Workshop on Speech Processing in Everyday Environments (CHiME 2024), Kos Island, Greece, September 2024

  3. Soundscape Personalisation at Work: Designing AI-Enabled Sound Technologies for the Workplace

    Soundscape Personalisation at Work: Designing AI-Enabled Sound Technologies for the Workplace

    Soundscape Personalisation at Work: Designing AI-Enabled Sound Technologies for the Workplace

    Thomas Deacon; Gabriel Bibbó; Arshdeep Singh; Mark D. Plumbley

    International Conference on Sound and Music Computing (SMC 2024), Porto, Portugal, July 2024

2023

  1. Recognise and Notify Sound Events Using a Raspberry PI Based Standalone Device [Demo]

    Recognise and Notify Sound Events Using a Raspberry PI Based Standalone Device [Demo]

    Recognise and Notify Sound Events Using a Raspberry PI Based Standalone Device [Demo]

    Gabriel Bibbó; Arshdeep Singh; Mark D. Plumbley

    IEEE Workshop on Applications of Signal Processing to Audio and Acoustics (WASPAA 2023), New York, U.S.A, October 2023

2022

  1. A New Compatibility Measure for Harmonic EDM Mixing

    A New Compatibility Measure for Harmonic EDM Mixing

    A New Compatibility Measure for Harmonic EDM Mixing

    Gabriel Bibbó; Ángel Faraldo

    International Conference on Web Engineering (ICWE 2022), Bari, Italy, July 2022

2021

  1. Towards a New Compatibility Measure for Harmonic EDM Mixing

    Towards a New Compatibility Measure for Harmonic EDM Mixing

    Towards a New Compatibility Measure for Harmonic EDM Mixing

    Gabriel Bibbó

    Master thesis, Universitat Pompeu Fabra, Barcelona, Spain, 2021. Supervisor: Ángel Faraldo.

2017

  1. Autonomous Mobile Robots Communicated by Software Defined Radio

    Autonomous Mobile Robots Communicated by Software Defined Radio

    Autonomous Mobile Robots Communicated by Software Defined Radio

    Gabriel Bibbó; Mariana Gelós; Martín Randall

    Bachelor thesis, Universidad de la República, Montevideo, Uruguay, 2017. Supervisors: Pablo Belzarena and Federico Larroca.

Otros proyectos

ALPACA
Ingeniería de software · infraestructura de trading2026

ALPACA

Prototipo de ingeniería de software para infraestructura de trading algorítmico, con ingesta de datos de mercado, procesamiento de eventos, controles de riesgo, simulación histórica, persistencia, acceso por API y monitoring. No ha sido probado en producción.

Python · Backtesting · Risk controls · Monitoring

Demo de reconocimiento de eventos sonoros en Raspberry Pi
Edge AI · reconocimiento de eventos sonoros2023

Demo de reconocimiento de eventos sonoros en Raspberry Pi

Demo en Raspberry Pi para reconocimiento de eventos sonoros en tiempo real. El sistema ejecuta redes neuronales preentrenadas en un dispositivo edge de bajo costo, expone una interfaz web y puede enviar notificaciones por email cuando detecta eventos seleccionados de AudioSet.

Raspberry Pi · AudioSet · Real-time inference · Email notifications

3H-ATO
Diseño de producto · prototipado mecánico2020-2022

3H-ATO

Herramienta mecánica diseñada durante la pandemia para evitar el contacto directo con superficies compartidas.

Mechanical design · Prototyping · Product development

Dispensador automático de jabón IoT
IoT · sistemas embebidos2020-2021

Dispensador automático de jabón IoT

Dispositivo IoT para lavado de manos en entornos industriales. Utilizaba acero inoxidable, WiFi, conectividad cloud, sensores IR/RFID y un tanque de 3 litros.

WiFi · IR/RFID · Cloud connectivity · Industrial hygiene

Aplicación móvil UyVoy
Producto · aplicación móvil2020

Aplicación móvil UyVoy

Proyecto de aplicación móvil para reservar turnos y reducir aglomeraciones durante la pandemia. Gabriel trabajó como product owner y project lead.

Product ownership · Civic tech · Project management

Cursos y certificaciones

2024

PRINCE2 Foundation in Project Management

Certificate GR656321771GB · Expires 03/2027

Project management techniques, risk mitigation, resource allocation, project planning, and monitoring.

2023

Deep Learning

DeepLearning.AI · Coursera · Completed

CNNs, RNNs, transformers, TensorFlow, inductive transfer, and optimisation.

2020

Machine Learning

Stanford University · Coursera · Completed

Supervised and unsupervised learning and best practices in machine learning.

2018

Electronic Music Production

AURA · Montevideo, Uruguay · Graduated

Ableton and analogue instruments.

2006-2008

Private Guitar Lessons

Montevideo, Uruguay

Stack técnico

Stack

Python · C/C++ · PyTorch · Hugging Face · PEFT · TorchAudio · librosa · Essentia · mido · scikit-learn · pandas · NumPy · SciPy · Flask · FastAPI · Streamlit · Docker · Git · Linux CLI · Bash · Slurm · Redis · Prometheus · Grafana · PostgreSQL · SQLite · MATLAB · Unreal Engine 5.4 · FMOD · VS Code

ML

CNNs · Transformers · Audio-Language Models · LoRA Fine-tuning · 4-bit Quantization · Supervised and Self-supervised Learning · Evaluation Pipelines · Statistical Testing · Edge Deployment

Audio

Sound Event Detection · Voice Activity Detection · Pitch and Onset Detection · Music Information Retrieval · Digital Signal Processing · Real-Time Audio · Perceptual Evaluation · DAWs · Ableton · DJing · Electronic Music Production

Practice

Reproducible ML pipelines · Automated Audio Testing · Dataset Curation · Open-Source Development · MLOps practices · AI-assisted Development · Technical Writing · Interdisciplinary Collaboration

Idiomas

Español Nativo · Inglés C1 (CEFR) · Portugués A2 (CEFR)

Membresías e investigación financiada

IEEE Signal Processing Society (2025)

EPSRC AI for Sound · University of Surrey

Contacto

Disponible para colaboración académica, consultoría, contract research y oportunidades remotas seleccionadas en audio ML, machine listening, DSP y tecnología musical.