Optical disc playback apparatus and method which utilizes single RAM for data decoding and TOC processing
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United States of America Patent
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Nov 14, 1995
Grant Date -
N/A
app pub date -
Nov 9, 1993
filing date -
Nov 13, 1992
priority date (Note) -
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Abstract
An optical disc playback apparatus for playing back information such as music recorded on a compact disc (CD) and/or information such as data recorded on compact disc read only memory (CD-ROM) comprises: device for reading the information from the CD or the CD-ROM; device for decoding the CD-ROM data from the reading device; device for processing TOC information from the reading device; memory for storing CD TOC information when the CD is played back, and data to be used for decoding the information recorded on the CD-ROM when the CD-ROM is played back; and device for changing over between using the memory for storing the TOC information or using the memory as a data decoder for the CD-ROM.
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