AV-CD-DVD-BD

CD 2352
A 700MB CD is 80 minutes long, which works out to about 800MB of audio data.  ~100MB less is available for storing regular files in order to provide better error correction.

DVD 2048
4,707,319,808 DVD-R
4,700,372,992 DVD+R
8,543,666,176 DVD-R DL
8,547,991,552 DVD+R DL

BD 2048
 9,414,639,616 DVD-R DS
 9,400,745,984 DVD+R DS
17,087,332,352 DVD-R DS DL
17,095,983,104 DVD+R DS DL
24,220,008,448 BD-R
25,025,314,816 BD+R