QUERY: rebuilding mixed CD (audio & data)

[dhruba.bandopadhyay]

I have a 2 game CDs which contains both data & audio parts. The data on
both CDs are different, but the audios are the same (same tracks, etc.).

Now both CDs are partially scratched due to years of usage. On CD 1 some
audio tracks are distorted (eg. track 2, 4, 7), and on CD 2, tracks 3,
5, 6 are distorted.

What am wanting to do is to rebuild the CD, but replacing distorted
audio tracks with a clean one from the other CD.

What software/program is best to do this? How can one go about doing
this task easily? Do I need to rip the audio tracks? What program can
rip audio without compressing them (no MP3, etc)?