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DeepSonic: Deep sea soundscapes from machine learning

Objective

Acoustic recordings of ocean noise offer vital insights into marine ecosystems, revealing the impacts of human activities such as noise pollution and climate change. Large baleen whales like blue and fin whales emit low-frequency calls that travel long distances and can be detected by ocean bottom seismometers (OBS)—instruments originally deployed for seismological research. This makes OBSs a cost-effective, passive tool for long-term marine mammal and ocean noise monitoring in deep and remote areas. Traditional whale call detection methods are often inefficient in noisy environments and demand extensive manual effort. To overcome this, we developed new machine learning algorithms—carried out as part of an ERC UPFLOW spin-off project—that work in low-data training regimes to detect whale vocalisations, reverberations, and other signals within the unique UPFLOW OBS dataset, the largest of its kind in the Atlantic. We detected half million of whale calls in UPFLOW’s data in just two days, compared to the months-long timeline required by existing tools. Validated on independent OBS data, our approach accurately identifies whale calls in different oceans and can even automate the tracking of individual whales with minimal manual input. The goal of DeepSonic is to deliver a user-friendly, open-source software package for ocean noise analysis, bringing our ground-breaking algorithms to users beyond the seismology community. Initially tested with stakeholders OKEANOS (Azores) and Marine Conservation Research International (MCR), it will be integrated into PAMGuard, the go-to software platform for marine mammals passive monitoring, and later scaled to European and global monitoring observatories. Beyond whale monitoring, the software can also extend to other signals from dolphins, ships and marine infrastructure. Long-term goals include building a strong IP base and commercial pathway, targeting sectors such as offshore wind, subsea cables, and environmental regulation.

Fields of science (EuroSciVoc)

Programme(s)

Topic(s)

Funding Scheme

HORIZON-ERC-POC - HORIZON ERC Proof of Concept Grants

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Call for proposal

(opens in new window) ERC-2026-POC

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Host institution

UNIVERSITY COLLEGE LONDON
Net EU contribution
€ 112 517,00
Address
GOWER STREET
WC1E 6BT London
United Kingdom
Region
London Inner London — West Camden and City of London
Activity type
Higher or Secondary Education Establishments
Links
Total cost
No data

Beneficiaries (2)