Anatomy of a cat

I have good hearing . The world sounds noisy to me. I like some quiet. Think how noisy the world is to a cat. The anatomy of a cat is specialized for hunting. Her senses are special. Her hearing is remarkable. Often we don't seem to appreciate this and I put myself in the category of people who sometimes forget how sensitive to sound cats are. Cat senses are attuned to efficient hunting. We have a similar hearing ability to cats at the lower end of the scale. However cats hear higher pitched sounds that we can't. They can hear sounds 1.6 octaves above the highest pitch that we can hear. One octave higher as I understand it is a frequency twice as high as the octave lower in the scale (if I'm wrong please tell me). Cats can also distinguish the pitch of a sound better than us. They are also able to locate the source of sound far better than us. This is probably because of the directional nature of the ear flap (the bit of the ear we can see called "Pinnae"). Appar