your computer is too fast. use dosbox to run it (downloadable from abandonia main site) or vdm sound
OR (easier solution for some people)
download program for slowing your cpu down like CPUkiller or freeware slowdown
slowdown:
http://www.hpaa.com/moslo/v15/moslo15.zip
cpukiller:
http://www.cpukiller.com/download.html (but this one is payed)