Earthtrust dolphin research projects, 2001

http://www.earthtrust.org/delphis.html

The 2001 system by Dr Ken Marten includes a whistle recognizer system: http://www.cyrus.org/lilly/touchscreen00.html

http://www.cyrus.org/lilly/delphis01.html

Dr Marten's system uses software by Antoine Schmitt:
http://www.as-ci.net/asFFTXtra/index.html

Was this system ever used with dolphins? I don't recall reading anything about it's use, so it probably hasn't been used and it may not be completed or it may be unsatisfactory (inadequate design or implementation).