Sure, that's what I meant by "once CD quality digitized audio became cheap enough to store". Both the fact that once games started to be shipped on CD, they cou

Sure, that's what I meant by "once CD quality digitized audio became cheap enough to store". Both the fact that once games started to be shipped on CD, they could literally play audio tracks straight from the CD, and the fact that faster CPUs and better codecs made it feasible to ship compressed audio and decode it in realtime.