Exploring Marine Mammal Bioacoustics Overview of ongoing research and approaches Xanadu

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Presentation transcript:

Exploring Marine Mammal Bioacoustics Overview of ongoing research and approaches Xanadu

What’s out there… Main Research Natural Sciences Engineering Biology Psych./Social Behavior Sound Processing Sound Collection Effects of man made noise on marine mammals Classification /Detection Localization Echolocation

The Data  Data obtained from Macaulay Cornell Lab of Ornithology (  Approximately 27 hours of recordings accompanied by field notes (eg. time/duration, location, type of call, coordinates, species, recording medium information).

More on the data…

Approaches  Classification/Detection See David Mellinger ( Identifying different vocalizations within a clip (eg. whistles, clips). Classifying different species. Approaches include contour similarity (CS) techniques(spectrum cross-correlations, kernel correlations). Also K-means on CS features for clustering types of calls.  Language See Brenda McCowan ( Exploring possible language model with the use of information theory

The Next Steps 1.Copying/ripping 22 GB of data from CDs 2.Signal Denoising 3.Computing simple features (FFT, MFCC, pitch) 4.Replicating algorithms (contour similarity techniques) 5.Applying speech tools towards classification 6.Information theory: Language and behavior models

References  Dave Mellinger:  Chris Clark: html html  Brenda McCowan:  All of these links can be found here: