[racket] receive data from microphone, wav file's data chunk value represention

From: Greg Hendershott (greghendershott at gmail.com)
Date: Sun May 22 20:58:42 EDT 2011

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 <kty1104 at gmail.com> 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
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