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C2h lets people talk to dolphins and whales, and if you happen to be a jazz musician, you will find a creative helper in Impro-Visor.

Dolphins are regarded as one of the most intelligent species of animal, but scientists still argue about whether the size of their brains is indicative of intelligence. Maybe you should just talk to the animals to find out. To do this, you need a translator, and the c2h (Cetacean to Human) program is exactly that. This program creates and identifies the songs of whales and dolphins, both of which are members of Order Cetacea.