Sound visionary and founder of Dolby Laboratories Ray Dolby died Thursday at his home in San Francisco. He was 80.
The company said that Dolby had been living with Alzheimer's disease in recent years and was diagnosed with acute leukemia in July.
Dolby is credited with revolutionizing how people experience sound with his multitude of audio technology inventions. Besides his pioneering work in noise reduction, Dolby also invented surround sound. He held more than 50 US patents.