2013/3/20 Matthew Robbetts <wingfeathera at gmail.com>: > Ah sorry, I see what you mean. Yes, you're right. (except for the typo: 2 -> sqrt(2)) > Either, the > coefficient design code should be changed to the arbitrary filtering > correctly (probably quite a lot more code to do this), or the the user > interface should be constrained to only actually allow the user to ask > for second-order Butterworth. I agree that the latter is probably more > suitable. > > I clearly have not added very much here. Sorry for the noise! No need to say sorry. We do need your eyes for the next round of DSP reviews. Tanu: I am still waiting for your reply regarding the best way to do clickless rewinds in IIR filters (i.e. one of: "disallow rewinds", "keep full history of the intermediate state", or some creative solution). -- Alexander E. Patrakov
