Thank you so much for your answer, Joe and Alexandre. 

You're right, Joe. I was actually referring to hip~ when talking about the impulse response, indeed hip~ is one-pole and one-zero. It might be good to specify it in the help file. 

What formula would you use for the coefficients of rpole~ and rzero~ to implement it?

Cheers,

Dario

On 18 February 2016 at 20:27, Alexandre Torres Porres <porres@gmail.com> wrote:

let me share some patches too.

as said: lop~ is not the same as rpole~ but is possible to be implemented using rpole~, hip~ can be implemented with rpole~ and rzero~

my patches show the difference equations and all, they're in portuguese, and part of my computer music class examples available here

cheers

2016-02-18 14:32 GMT-02:00 Joe White <white.joe4@gmail.com>:

Hey Dario,

[lop~] can be implemented with just an [rpole~], did you make sure to set the coefficients correctly? I've attached an example patch to implement [lop~].

[hip~] is an [rpole~] and [rzero~] in series. You can find the coefficients in the source code.

Cheers,

Joe

On 18 February 2016 at 14:59, Dario Sanfilippo <sanfilippo.dario@gmail.com> wrote:

Hello, list.

Do you know what the difference equations of [lop~] and [hip~] are?

Just hoping that one of you has a quick answer, otherwise I'll try figuring it out by looking at the code.

Anyway, they don't seem to be the same as [rpole~] as the impulse response is different.

Thanks,

Dario

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