[music-dsp] creating an IIR filter from an impulse response...
Bram - Smartelectronix
bram at smartelectronix.com
Tue Mar 23 09:23:41 EST 2004
Richard Dobson wrote:
> Inevitably, the answer has to be "it depends". If your impulse response is a
> finite sequence of values,as any practical sampled response has to be, then by
> definition it is finite, and hence cannot be generated by a recursive filter,
> which by definition generates an ~infinite~ impulse response.
Hmm, I've read a paper that uses finite versions of IIR's to make
1 - a^N * z^(-N)
H(z) = ------------------
1 - a*z^(-1)
And, couldn't this be generalised?
- Phone : +32484154730
- Messaging : ask me
More information about the music-dsp