Technology / Home Audio / Dolby: The most common shared logo or feature between all brands is the Dolby labs' 'double D' symbol. Named after audio engineer, Ray Dolby, it represents a number of sound processing technologies that are incorp-orated in a diverse number of products since the early 1970's.

Dolby Pro Logic

Technology / Television (TV) / Dolby Pro Logic: Dolby Surround technology delivers four channels of audio - Left, Center, Right, and Mono Surround - that are matrix-encoded onto just two audio tracks. These two tracks are then carried on stereo pro MORE

Dolby Surround

Technology / Television (TV) / Dolby Surround: Or Dolby Stereo. Four audio channels (left, center, right, and surround) converted to two channels referred to as right-total and left-total. MORE

Dolby Noise Reduction

Technology / Home Audio / Dolby Noise Reduction: Decodes Dolby-encoded cassette tapes during playback to virtually eliminate the tape hiss which is especially apparent in quiet environments. Dolby B is the most widely used system. Dolby C is an exte MORE

Dolby Digital - AC-3 Compatible

Technology / Television (TV) / Dolby Digital - AC-3 Compatible: Formerly known as Dolby AC-3, or audiocoding-3, delivers the movie experience through a maximum of 5.1 channels of surround sound audio. Since the mid-1990's, this Dolby sound format has become the mo MORE

Dolby Digital

Technology / Home Audio / Dolby Digital: Dolby's name for its format for the digital soundtrack system for motion picture playback. Utilizes their AC-3 method of digital compression. The signal is optically printed between the sprocket holes MORE


Technology / Home Audio / Ac-3: (audio coding 3) Dolby's digital audio data compression algorithm adopted for HDTV transmission and used in dvds, laserdiscs and cds for 5.1 multichannel home theater use and automotive surround appli MORE