These are specialized datasets from the series of International Workshops on the Detection and Localization of Marine Mammals Using Passive Acoustics. They have mainly cetacean sounds, but also include recordings of other sound sources and background noise.

• 1st Workshop: Halifax 2003 [zipped size 10.2 MB]
  - target species: northern Atlantic right whales
• 2nd Workshop: Monaco 2005 [zipped size 1.01 GB]
  - target species: sperm whales
• 3rd Workshop: Boston 2007 - target species: beaked whales
  - Localization Data [zipped size 2.85 GB]
  - Non Target Noise [zipped size 1.19 GB]
  - Test Data [zipped size 1.17 GB]
  - Training Data [zipped size 9.05 MB]
• 4th Workshop: Pavia 2009 - target species: beaked whales
  - Data Set 1 [zipped size 6.58 GB]
  - Data Set 2 [zipped size 9.21 GB]
  - Data Set 3 [zipped size 1.12 GB]
• 5th Workshop: Portland 2011 [files zipped with 7-Zip]
  Data sets:
  - Metadata [zipped size 70 MB]
  - Data common dolphin [zipped size 4.7 GB]
  - Data bottlenose dolphin [zipped size 10.2 GB]
  - Data spinner dolphin [zipped size 4.0 GB]
  - Data melon-headed whale [zipped size 13.3 GB]
  - Localization Data Set [zipped size 1.5 GB]
  Evaluation:
  - Evaluation Data Set [zipped size 965 MB]