High fidelity or hi-fi refers to the reproduction of sound and image that is very faithful to the original. That is without noticeable amount of noise and distortion.
... of 18, 6.7% from 18 to 24, 28.0% from 25 to 44, 25.8% from 45 to 64, and 17.2% who are 65 years of age or older. The median age is 41 years. For every 100 females there ...