Definitions for "Dolby"
Manufacturer of various patented systems for processing sound. Originally (pre-digital) concerned with reducing tape hiss, they now concentrate on stereo and surround sound.
Trademarked noise reduction systems and technology by Dolby Laboratories to improve the performance and fidelity of audio recording, playback, and transmission.
Dolby Laboratories trademark on a type of noise reduction. Dolby A and C are used on professional equipment; Dolby B is used on consumer equipment. If a tape is recorded and played back using Dolby, there will be less background tape hiss.