Quote:
Originally Posted by No one
The physics behind this should be frequencies selection regardless of the signal strength: like cats "pick out" of the sound scene what's of particular interest to them - the kinds of sounds their prey can make (similar to your distinguishing of the voices you love/hate from indifferent ones, I guess). FWIW - I heard/read it somewhere, not an expert myself.
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I know what you're saying, it's the same with our dog he can be sleeping on the sofa with normal home noises he just keeps his eyes shut then when say a delivery man is coming up the driveway with a package which I can't even hear him coming he jumps up and starts growling lol