[PD] [bp~] really equal to [vcf~]?

[IOhannes m zmölnig]

On 07/25/2014 03:36 PM, Alexandre Torres Porres wrote:
>> it's accurate to say that [biquad~] is a real-valued 2-pole/2-zero filter.
> 
> but why, if the poles and zeros can have complex values?

can they?
afaict, [biquad~] only ever has real-valued coefficients and states.


df,ase
IOhannes


-------------- next part --------------
A non-text attachment was scrubbed...
Name: signature.asc
Type: application/pgp-signature
Size: 819 bytes
Desc: OpenPGP digital signature
URL: <http://lists.puredata.info/pipermail/pd-list/attachments/20140725/1462c1e4/attachment.sig>