[edmccard]

>so putting the OST in CD format was a nice easter egg.

It wasn't an easter egg; it was how the games accessed and played the in-game music (and digitized speech when that was a new, exciting thing). There would be one huge data track and then dozens of small audio tracks. If the game did take multiple CDs, then either (a) you installed all the discs but all the audio was on the CD that had to be in the drive for the game to play or (b) each CD had the audio needed for the levels that were on that disc (I think that scenario was more common on PS1 games, but I could be mis-remembering)

[masklinn]

> It wasn't an easter egg; it was how the games accessed and played the in-game music

Except they never had to do that, even before the MPs, they could always have stored the audio data as regular files on the disk image. Using CDDA just makes things more complicated as you need to reaccess the raw media instead of just reading the data from the filesystem.

[corey_moncure]

In those days CD drives could output the audio as analog or digital signals separately from the data bus, using a cable that connected directly to the sound card for zero-overhead music. Commodity CD drives on the PC go back to about 1992 and playing CD audio would have been prohibitive overhead for contemporary CPUs

[wolpoli]

It was quite surprising for me when I found music from the CD drive kept playing after I shut down Windows 95.