CD-ROM's mode 2

Posted on 1998-08-17
Medium Priority
Last Modified: 2010-04-27
On many CD-ROM specification is written that in mode 1 the speed is 150KB/s, the capacity 650MB and the KB/s for 32x CD is 150x32=4800KB/s
My question is: What is that mode 2 (There - on the web page - was written that in mode 2 the speed is 171KB/s and the capacity about 750MB and the KB/s for 32x CD is 171x32=5470KB/s. Are anywhere such discs to be buyed, are some CD-R/RWs compatible with mode 2 and what is this (link and/or review if possible)
Question by:second

Accepted Solution

ryans earned 200 total points
ID: 1123117
There are two recording modes for compact discs. In Mode 1, used with CD-ROM, 288 bytes of each sector are used for storing error correction code, and the remaining 2048 bytes per sector are available for user data. Mode 2, used in CD-I and CD-ROM XA, has two forms: Form 1 is similar to Mode 1, as it is also used to record data that requires error correction; Form 2 is used for recording information such as sound or images which do not require such extreme precision. Since less error correction is needed, more bytes in the sector can be freed for information storage, resulting in a user data area of 2336 bytes per sector.
Hopefully this makes sense because that's what it is..:)

Author Comment

ID: 1123118

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