Based on extensive interviews, this is the life story of Ray Dolby, inventor of the noise reduction system that in the mid 1960s started changing the way we listen to music. It describes how Dolby took his invention through different aspects of the entertainment industry, from music recording to film sound, TV broadcasting, and internet applications, from stereo to multi-channel reproduction and immersive experiences. Beginning with a small South London workshop, he created an international company with a logo and name recognized in every language.