DSPnet:

http://www.techonline.com/community/tech_group/dsp

DSP - Programmable logic

ALTERA:
http://www.altera.com/technology/dsp/dsp-index.jsp

XILINX:
http://www.xilinx.com/products/design_resources/dsp_central/grouping/index.htm


DSP processors

ANALOG:
http://www.analog.com/communities/dsp/../index.html

Texas Instruments:
http://www.ti.com/

Freescale (dawniej Motorola)
http://www.freescale.com/

Agere Systems:
http://www.agere.com/telecom/dsps.html


Simulation

MATLAB:
http://www.mathworks.com/

OCTAVE:
http://www.octave.org/


Def.

Webopedia:
http://www.webopedia.com/TERM/D/DSP.html

Wikipedia
http://pl.wikipedia.org/wiki/Cyfrowe_przetwarzanie_sygna%C5%82%C3%B3w


FFT

http://www.fftw.org/

DSP BOOK online

http://www.dspguide.com/