New smart-collars can interpret dog-barks and cow-moos:
In Braunschweig, Germany, for example, researchers at the Institute of Technology and Biosystems Engineering have recently been able to decipher, with about 90 percent accuracy, what cows mean when they moo: hunger, thirst, need for milking and so on.
Dr. Gerhard Jahns, a control engineer who helped devise the project, said that about 700 "vocalizations" were recorded from about 20 cows, a process he described as "extremely time-consuming." Cows can go for hours without making a sound, Dr. Jahns said, "and it's hard to get them to speak into the microphone
(Thanks, Steve!)
