readme

linux下的FFT 频谱分析

FFT Spectra (c) 2006 Petr Danecek

=====================
*About this software*
=====================
                                                                                                                               
The latest version of this software is available at
http://fft-spectra.sourceforge.net/. 

FFT Spectra is a tool for visualization of frequency spectra 
of an audio signal. What is it good for? For instance, you 
can verify whether you are able to sing and whistle in-tune 
or tune your guitar.

Type `fft-spectra -?` to obtain list of command line parameters.


===========
* INSTALL *
===========

1) Unpack the tarball by running `tar -xzf fft-spectra.tgz`
2) cd fft-spectra
3) ./autogen.sh
4) make all install

Make sure that the config file fft-spectra/fft-spectra.conf
is accessible as $HOME/.fft-spectra.

================
* Useful links *
================

1) Excellent site about physics of music, many musical instruments
are covered:
    http://www.phys.unsw.edu.au/music/

2) Pitch frequencies and notation used in the config file:
    http://en.wikipedia.org/wiki/Scientific_Pitch_Notation

3) A book about audio processing (haven't read):
    http://www.dspguide.com/

Send me more!


========
* BUGS *
========

No known bugs. If you find any, please report.

===========
* SUPPORT *
===========

If you find any bugs, please report them at the mailing list
accessible via the mailman interface from 
    http://sourceforge.net/capture/fft-spectra.
This program is only a fun project, so do not expect immediate
response, if any. However, i'll try my best to help you.
Patches and extensions are wellcomed.