| has gloss | eng: Ultra Stereo is a cinematographic sound system that was developed by the year 1984 in competition to the predominant format, Dolby Stereo, by former employees of that company. Four channels of information (Left, Center, Right and Surround) are matrix-encoded into two soundtracks on 35mm optical theatrical release prints, occupying the same area of the film which previously held the monophonic soundtrack. The matrix-encoded track is decoded by the cinema processor in the theater during exhibition. |