[linux-audio-dev] formant analysis lib
Samuel S Chessman
chessman at tux.org
Wed Nov 17 22:28:16 UTC 2004
On Wed, 17 Nov 2004, Dave Griffiths wrote:
> Hi all,
>
> Not an area I'm that familiar with, but are there any good libraries out there
> that can do formant analysis of speech?
>
> cheers,
>
> dave
CMU Sphinx (Java) uses Cepstra for recognition.
That's the Fourier transform of the log-magnitude spectrum:
fFt(ln( | fFt(window . signal) | ))
http://cmusphinx.sourceforge.net/sphinx4/
--
Sam Chessman chessman (a) tux.org
First do what's necessary, then what's possible, finally the impossible.
More information about the Linux-audio-dev
mailing list