The general rule is to use short, repeated notes to encourage activity and one single note to discourage it. Let’s say you want your dog to come when you call. Perhaps because so many of us see this as an exercise in “obedience” (translation: a test of our authority), many humans belt out the word come like a marine drill sergeant. If I tape-recorded the sound and analyzed it, it would look exactly like the sounds made around the world to stop animals. You could substitute any combination of letters, and you would still have a single sharp, short note that replicates the “Whoa!” and “Ho” that
...more