[PD] [biquad~] as cyclone's [allpass~]?

[Alexandre Torres Porres]

i hope i guess i figured it out on how to implement it with delay lines.
see attachment. And I realize you can't do this with [fexpr~] or [biquad~]
because the sample delay length is kinda big for that, right?

cheers


2013/10/3 Alexandre Torres Porres <porres at gmail.com>

> cool, but do you know how to implement cyclone's [allpass~] with it?
>
> It's really unclear to me what is the relation of this pass filter with
> the one you can generate with biquad coefficients, or with raw poles/zeros
> objects for that matter.
>
> Well, one way or another, it's also unclear to me how to do it with delay
> lines.
>
> seems that it is related to a comb filter, right?
>
> cheers
>
>
> 2013/10/2 Chris Clepper <cgclepper at gmail.com>
>
>> Allpass for reverb is easy to do with delwrite~ and vd~.  I used 32 of
>> them today to recreate a famous 'deep space' reverb.
>>
>>
>> On Wed, Oct 2, 2013 at 1:53 AM, Alexandre Torres Porres <porres at gmail.com
>> > wrote:
>>
>>> hi there, i see the biquad's coefficients can be set as an allpass
>>> filter, generated by frequency and "Q" parameters. But can it do the same
>>> as cyclone's [allpass~] filer? If yes, them how since the parameters for
>>> [allpass~] are different (delaytime and such).
>>>
>>> One way or another, I guess that my real question is: how to implement
>>> [allpass~] from vanilla objects?
>>>
>>> thanks
>>>
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>>
>
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