Animal echolocation extremely narrow beams and many receivers to localize a target (multibeam sonar), animal echolocation has only one transmitter and two receivers (the ears) positioned slightly apart. The echoes returning to the ears arrive at different times and at different loudness levels, depending on the position of the object generating the echoes. The time and loudness differences are used by the animals to perceive distance and direction. With echolocation, the bat or other animal can see not only where it is going but also how big another animal is, what kind of animal it is, and other features.. At the most
Happy Feet available online, as well. The animation is invested heavily in motion capture technology, with the dance scenes acted out by human dancers. The tap-dancing for Mumble in particular was provided by Savion Glover who was also co-choreographer for the dance sequences. The dancers went through "Penguin School" to learn how to move like a penguin, and also wore head apparatus to mimic a penguin's beak. "Happy Feet" needed an enormous group of computers, and Animal Logic worked with IBM to build a server farm with sufficient processing potential. The film took four years to make. Ben Gunsberger, Lighting Supervisor and