Re: [Discuss-gnuradio] GNU Radio IIR Filter Taps

[Keyur Parikh]

Mark,

Thanks for your reply. Quick question: the second term isn't b1*x(n-1)?

Keyur

On Fri, May 22, 2015 at 10:30 AM, Mark Haun <address@hidden> wrote:

Keyur Parikh [address@hidden] wrote:
> I'm in fm_emph.py and can see the taps listed as
>
> btaps = [b0, b1]
> ataps = [1, a1]

This looks like "MATLAB form".  If so, the difference equation should be
y(n) = b0*x(n) + b1*x(n) - a1*y(n-1)

Mark