An ex-captain of the Salem militia is infuriated by the increase of crime on the streets â HIS streets! Although the Vigilante was fired for his violent and rash methods of war, he still has a strong sense of justice, or so he tells himself. As the death toll in the Town rises, his anger only grows as he finds the killer's identity obvious.
Dogs hear at a wider range of frequencies than humans.The low end of the range is similar: 67 Hz, but dogs hear noises up to 45 kHz, while humans only hear sounds up to about 23 kHz. This means that they could be hearing and responding to sounds that we can't hear at all.
Ok, so now you know how the canine ear hears.. now lets talk about what it hears. Sound is measured in vibrations, or cycles, per second, termed either cps or hertz. It is accepted that humans can hear 20 to 20,000 hertz, with the optimum range between 1,000 and 4,000 hertz.