Ray Dolby

Born: 1933

Dolby Noise Reduction. During the 1960s, Dolby discovered a way to dramatically reduce the “hiss” from analog tape sound recording and reproduction, revolutionizing the audio industry. As a result, the cassette became the most popular form of recorded music in the 1970s, and cinema audiences were able to enjoy surround sound from almost all movies.

Play Poptropica Worlds

Download Poptropica and play for free!

Explore a limitless universe of uncharted islands
App store
Google Play
 
See also: