worked out of their voice cracks a bit we humans perceive a higher pitched vocalizations as more urgent. friends home and. that holds for your human babies too when they get that high pitched cry you go running. when i create my own special way he doesn't always get the message. well i come home and he runs to greet me i pick a moderate get a little kiss when i put him down he gets annoyed. that could mean not now or could mean pick me up i mean let's get back to this later it depends. she needs an interpreter. but he gets it. you can tell from like.