Method and apparatus for storing text data in subcode packs
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United States of America Patent
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Jan 18, 1994
Issued Date -
N/A
app pub date -
Jun 22, 1990
filing date -
Jun 24, 1988
priority date (Note) -
Expired
status (Latency Note)
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Abstract
An apparatus and method for encoding data in a text format such as ASCII or EBCDIC on a laser disc or compact disc without affecting the digitized sound by utilizing what is known as the subcode channel of the laser disc or compact disc. By storing text data in the subcode channel region as described herein, it is possible to create subtitles for movies in a number of languages such that the language in which the subtitles appear is user selectable. In this manner, it is possible to create laser discs having subtitle information in, for example, ten languages thereby avoiding the necessity of creating ten separate laser discs, each having a different language used for subtitling.
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