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It was used on some CDs distributed by Sony BMG and sparked the 2005 Sony BMG CD copy protection scandal; in that context it is also known as the Sony rootkit. Security researchers, beginning with Mark Russinovich in October 2005, have described the program as functionally identical to a rootkit : a computer program used by computer intruders ...
Sony CDP-101 from 1982, the first commercially released CD player for consumers Philips CD100 from 1983, the first commercially released CD player in the USA and Europe American inventor James T. Russell is known for inventing the first system to record digital video information on an optical transparent foil that is lit from behind by a high ...
The Sony CDP-101 was the world's first commercially released compact disc player. [1] The system was launched in Japan on October 1, 1982 at a list price of 168,000 yen (approx US$730). [2] The Japan-only launch was partially because Philips, Sony's partner in the development of the CD format, was unable to meet the original agreed launch date.
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The first obstacle is the "fake" Table of Contents (ToC), which is intended to mask the audio tracks from CD-ROM drives. However CD-R/RW drives, and similar, can usually access all session data on a disc, and thus can properly read the audio segment. The other major obstacle is the incompatible (and technically corrupted) error-correction data.
The two pieces of copy-protection software at issue in the 2005–2007 scandal were included on over 22 million CDs [7] marketed by Sony BMG, the record company formed by the 2004 merger of Sony and BMG's recorded music divisions.
The first commercially available audio CD player, the Sony CDP-101, was released in October 1982 in Japan. The format gained worldwide acceptance in 1983–84, selling more than a million CD players in its first two years, to play 22.5 million discs, [ 2 ] before overtaking records and cassette tapes to become the dominant standard for ...
Locally decodable codes are error-correcting codes for which single bits of the message can be probabilistically recovered by only looking at a small (say constant) number of positions of a codeword, even after the codeword has been corrupted at some constant fraction of positions.