Sony Dynamic Digital Sound
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Sony Dynamic Digital Sound is a cinema sound system developed by Sony, in which compressed digital sound information is recorded on both outer edges of the 35mm film release print. The system supports
A photo of a 35 mm film print featuring all four audio formats (or "quad track") - from left to right: SDDS (blue area to the left of the sprocket holes), Dolby Digital (grey area between the sprocket holes labelled with the Dolby "Double-D" logo in the middle), analog optical sound (the two white lines to the right of the sprocket holes), and the DTS time code (the dashed line to the far right.)
A Sony DFP-R2000 SDDS reader mounted on a Norelco AAII projector, with film threaded.
DTS, Inc.
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DTS is an American company that makes multichannel audio technologies for film and video. Based in Calabasas, California, the company introduced its DTS technology in 1993 as a competitor to Dolby Lab
Sony Dynamic Digital Sound
…SDDS was consistently the least popular of the three competing digital sound formats, the other two being Spectral Recording Dolby Stereo Digital and DTS. Along with being the most expensive to install (and the last to arrive), there were major reliability issues with SDDS due to the change from the…
A photo of a theatrical DTS CD-ROM disc used for the original 1993 release of Jurassic Park
A DTS Sound logo on a compatible Toshiba Laptop