DSPLab is distributed as shareware. If you
want to order the sources of DSPLAB then click here.
DSPLAB version 2.05 for Delphi 4, Delphi 5,
Delphi 6, Delphi 7 and Delphi 2006
Simple FFT demo
This demo shows how to work with FFT component. The program
generates the signal and fills the FFT buffer with the data. Then the
program calculates FFT and spectrum of signal. And finally, it displays
the input signal and spectrum using TChart component.
Simple IIR Filter demo
This demo shows how to work with IIR Filter component to
process realtime signal. The program generates a signal. The every
value of signal is passed through the filter. The input and output
values are displayed on the screen. Change the parameters of the filter
and you will see the changes of filtered signal on the chart.
Plot demo - Plot the frequency response of IIR filter
demo shows how to plot the frequency response of IIR filter. You can
change the parameters of filter and plot the frequency respomse on a
This demo calculates the perfomance of IIR Filter and FFT.
Simple spectrum analyzer
This demo shows how to calculate the spectrum of recorded
signal in realtime.
This demo is simple sound player. This demo shows how to build a timbre
block, graphical equalizer and spectrum analyzer. The timbre block uses
IIR Filter components. The graphical equalizer uses FFT components and
FFT convolution method to filter signal. The spectrum analyzer uses FFT
components. Please see the source code of demos for more details.
to build frequency meter using TdspIIRFilter >> download sources or executable
>> download sources or executable
calculate spectrum of wave file >> download sources or executable
How to use DSPLAB inside
VST-plugin >> download