Phase, group delay, rolloffs

Here's some general fun stuff:

What group delay is and how it relates to phase:
na.tm.agilent.com/pna/help/PNAWebHelp/Tu...s/Group_Delay6_5.htm

What minimum-phase means and how it relates to group delay:
www.atp.ruhr-uni-bochum.de/rt1/syscontrol/node34.html

A little about Bessel filters and their group delay behaviour:
www.rane.com/note147.html

More to follow...

General Topics</span></font>

</span></font> </span></font> A Brief Discussion of Grou</span></font> p
</span></font> Dela</span></font> y

</span></font> Time Aligned, Phase Coherent..</span></font> .
</span></font> What they mean and d</span></font> o

</span></font> Crossover/Drive</span></font> r
</span></font><a href=" www.geocities.com/kreskovs/Phase-B.html " target="_blank">Amplitude/Phase interaction
</span></font>
</span></font> Doppler/Waveform Distortion</span></font>

</span></font> Damping dual voice coil woofers using</span></font>
t</span></font> he second voice coi</span></font> l

</span></font> </span></font> A look at sealed box woofer Q. </span></font>
www.geocities.com/kreskovs/John1.html