[PD]OT-What would you name this function?

Kyle Klipowicz kyleklip at gmail.com
Thu Feb 8 15:38:20 CET 2007

Ask the music-dsp list. They love that sort of stuff.


On 2/3/07, Charles Henry <czhenry at gmail.com> wrote:
> There's a function I think could be useful for system response measurement:
> f(x)=sin(pi*(fH-fL)*t)*cos(pi*(fH+fL)*t)/t
> it's basically the ideal bandpass function, it's fourier transform is
> 0.5 between fL and fH and 0 everywhere else.  There's another related
> signal, the sinc... but what should this one be called?
> "cosinc" is already taken--it's the name of the derivative of the
> sinc.  sincos?  sounds silly
> Chuck
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