Reply 20 of 28, by darry
BardBun wrote on 2021-02-16, 11:26:1541 wrote on 2021-02-16, 11:24:
You can't even use .iso if your game-CD contains audio tracks, like WarCraft II, Dungeon Keeper, Fury³ and many more...
I have a different game called Q-POP, the CD contains Audio that you can also play back in a real CD Player, works just fine as .iso as well.
My guess is that the .ISO file that you have is an "ISO" image in name only and is actually in another format. CD audio tracks are outside the scope of an ISO 9660 image file (which is what a file with an ISO extension is supposed to be, at least in theory ) .
My understanding is as follows, sorry if this either common knowledge to many people or if there are any errors/misconceptions (fell free to correct me) :
a) An audio CD (Red Book) contains digital audio tracks meant to be played by an audio CD player .
b) A CD-ROM (Yellow Book) is a disc where a filesystem is present in a track tagged as "DATA" rather than audio . This track will contain a filesystem which will typically be of the ISO 9660 type .
c) A CD-ROM that contains both a and b is usually referred to as a mixed-mode disc .
d) "a" cannot be dumped into a true to form ISO file image because it has no data track containing an ISO 9660 filesystem
e) By definition of what it is, a true to form ISO file image can be made of the ISO 9660 filesystem contained in the data track on "b" or "c", but in the case of "c", the image file will not contain any CD audio tracks as these have nothing to do with the ISO 9660 filesystem contained only on the data track .
f) There are ways to dump a complete (all tracks, both data and audio) disc image of "a", "b" or "c" (and also of other disc formats), but not into ISO files . cue/bin and Nero's NRG format are but two examples.
g) AFAIK, the degree of accuracy with which "f" is possible will depend on the software used, the optical drive used and possibly even the limitations of the dump format chosen .
h) I seem to recall there being some software that would dump "b" or "c" into into what it called and "ISO" file, but was actually some other, possibly oddball, format .
https://en.wikipedia.org/wiki/Mixed_Mode_CD EDIT : this one is not very well written at this point in time , IMHO .