Services

Clear services for acoustic monitoring projects.

Halicho Marine helps clients understand whether grey seals are acoustically present, what types of calls occur, and how vocal activity varies across a dataset.

Grey Seal Acoustic Assessment

For monitoring, baseline characterisation and project evidence.

  • You provide: hydrophone recordings or detection outputs.
  • You receive: presence assessment, call classification, QA notes and a technical summary.
  • Useful for: offshore renewables, marine monitoring and research datasets.

Expert Review & Verification

Independent review of candidate detections and labelled acoustic datasets.

  • False positive review
  • Call label consistency checks
  • Confidence scoring and uncertainty notes
  • Recommendations for detector or workflow improvement

Repertoire & Call-Type Analysis

Specialist interpretation of underwater seal vocalisation structure.

  • Call-type and subtype exploration
  • Spectrogram and audio review
  • Acoustic feature summaries
  • Publication-quality figures where required

Environmental Acoustic Analysis

Explore how acoustic activity varies with recording context.

  • Temporal and seasonal trends
  • Tidal phase relationships
  • Ambient noise conditions
  • Clear, caveated ecological interpretation

PAM Consultancy

Technical support for passive acoustic monitoring design and review.

  • Monitoring design input
  • Review of methods and reporting structure
  • Advice on analysis workflows
  • Support for environmental assessment deliverables

Machine Learning Support

Computational methods used carefully as part of a wider ecological workflow.

  • Workflow development
  • Model evaluation and benchmarking
  • Human-in-the-loop review
  • Transparent limitations and performance reporting
Grey seals hauled out on offshore habitatOffshore seal habitat and surrounding sea

The deliverable is not simply a list of detections. It is interpreted evidence that can support environmental assessment, monitoring design and consenting decisions.