What you could do is open the bin with
CDMage and getting it to auto detect the contents. I haven't got any bins on my PC at the moment, so I can't tell you exactly how it's done...
It's not a great solution, but you could end up with a data track and one big audio track that you could slice up later with a sound editing program.
Which game is it?
It could also be that someone extracted just the data track from a CD using CDRWin. You end up with a bin file if you do that. Attempting to open it with CDmage would tell you if that's the case.