DOSBox Adlib Emulation
Posted: Fri Aug 06, 2010 12:32 pm
I made some recordings. Actually OPL emulation seems to have improved quite a bit from when last I tested it. Beforehand I noticed that stereo Adlib emulation wasn't near as good as my AWE32. Even so, it does seem to do a lot more hard panning than my AWE32. I ran DOSBox with OPL2dual (like the AWE32), both the mixer and opl rate set to 49716, and sbtype set to SB16 (which I think is what the AWE32 has). At first glance the DOSBox stream seems higher quality but I believe that's due to the way I recorded from the AWE32. I ran it from my 486 sound card, to a 6-channel mixer, to my sound card's line input. Between all the connections and the wiring there's probably some signal degradation. And I don't think the Audigy 2 ZS's input quality is the best either so there's some background computer noise coming from both computers probably.
Getting past that, the instruments sound identical. The only things I noticed was that some instruments would drop out in DOSBox from time to time. I couldn't find a polyphony setting in the dosbox.conf file so I'm guessing it comes down to the emulation. The other thing is that some instruments are panned farther left and right than the AWE32 makes them out to be. Here's the recordings I made.
Space Quest III (DOSBox)
Space Quest III (AWE32)
Getting past that, the instruments sound identical. The only things I noticed was that some instruments would drop out in DOSBox from time to time. I couldn't find a polyphony setting in the dosbox.conf file so I'm guessing it comes down to the emulation. The other thing is that some instruments are panned farther left and right than the AWE32 makes them out to be. Here's the recordings I made.
Space Quest III (DOSBox)
Space Quest III (AWE32)