You may want to look at John Clements' rsound package on PLaneT: http://planet.plt-scheme.org/display.ss?package=rsound.plt&owner=clements
On Sun, May 22, 2011 at 8:53 PM, 김태윤 <[email protected]> wrote: > hello > > I want to make voice pitch classfying program in scheme > > for that, > > I want to know > > 0x1. how wav file's data chunk value represent lowest and highest and mid > point > > 0000 for lowest, FFFF for highest and 8FFF for mid point? > > 0x2. how to receive data from microphone? > > and any advice or suggestion for classyfing voice pitch? > > thanks alot! > > if my question is vague, unclear, or need fixing, please let me know > _________________________________________________ > For list-related administrative tasks: > http://lists.racket-lang.org/listinfo/users > _________________________________________________ For list-related administrative tasks: http://lists.racket-lang.org/listinfo/users

