Any ideas on how they achieved to make CD-DA tracks as copyable files ?

[aybe]

That takes us back 17 years ago

I was fascinated the first time I did put a PSX cd into my PC, doing 'dir' under DOS, the files were visible !!!
Then I rushed to run an EXE file but I've been granted by the phrase : "Program too big to fit in memory"
Obviously it wouldn't work ... then I found another thing that was working : I could copy CD audio tracks to my PC, they were here as files.

Here's an example : Wipeout XL (Jap)



Actually all the SWP files are audio tracks, you could either listen to them using a regular CD player,
but you could also copy them, they are nothing more than WAV files without the RIFF header.

There are a couple of other games that did that as well, such as Twisted Metal for instance.

My question is : do you have any ideas on how they achieved this ?

Thank you !

[mrjared123]

My question is: how do you play them? I never have found a converter for CDDA from PS1 games (such as Ridge Racer Revolution). So yeah, how do you play them?

[aybe]

Any audio editor will do (Wavelab, Audacity ...), just import it as a raw file with the following settings : 16-bit, 44.1 Khz, Stereo.

(It's nothing more than a WAV file without the 44 bytes long header)

[mrjared123]

Sweet! Thanks, also sorry I have no clue about your question haha...

[aybe]

The thing is it should be reverse-engineered, when I have some time ...
I'm sure all this takes place on the TOC, therefore I need to create a parser, a boring task