these are all real good-

sound synthesis and sampling - M. russ -focal press - ISBN 0240514297
this is the most usefull for you, i would have thought.

digital sound processsing for music and multimedia - R. kirk & A. hunt - focal press - ISBN 0240515064

acoustics and psychoacoustics - D. M. howard and J. angus - focal press - ISBN 0240514289

geek alert