ONE Technologies
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17 CD Glossary
A/D
Analog/Digital. The conversion of analogue signals to digital
characters.
ADPCM
Adaptive Delta Puls Code Modulation. This is a compression
procedure for audio data which is applied primarily for CD-I
and CD-ROM/ XA. With this procedure, up to 16 hours of
music in normal radio quality can be stored on a CD.
ASPI
Advanced SCSI Programming Interface. An expanded
Standard SCSI software interface which serves as a link
between host adapters and SCSI programs.
Block
A block is the smallest addressable information unit on a CD-
ROM. A block corresponds to a sector.
Bridge Disc
A CD-ROM which can be read by a normal CD drive as well
as by CD-I devices. It is specified in the White Book. An
example of a Bridge Disc is the Photo-CD.
Cache
A fast intermediate or buffer memory which is applied at many
different areas in a computer system. With Nero, cache
memory is used to store files in buffer from drives which
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