Superbit was a variant on standard DVD-Video introduced in 2001 by the Columbia TriStar Home Entertainment division of Sony.
Superbit DVDs used a higher bit rate transfer process to optimise video quality, and always contained both a 5.1 Dolby Digital and DTS soundtrack. The actual increase in bit rate varied according to the space available on the disc, and the bit rate of the standard DVD version (which itself could vary). They were compatible with standard DVD players and so could carry the DVD logo. Due to the extra space required for video and audio data, bonus material is kept to a minimum or not included at all, though there were a handful of ‘Superbit Deluxe’ releases which carried the bonus material on a second disk. The menus were different to those on the standard DVD release, and were kept simple to save space.
Fewer than 60 titles were released in Superbit format, and Superbit releases typically only sold 2% of the amount of the standard DVD version.
By 2007, Sony was promoting Blu-ray and the Superbit line was dropped.
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