Yes, it’s true. I mainly wanted to get the point across that he wouldn’t be opening up a fundamentally different approach to his solution. If he’s not sure how to analyze his circuit before reading "VA", he still won’t be. ;-)
> On Nov 30, 2023, at 12:20 AM, Vadim Zavalishin > <vadim.zavalis...@native-instruments.de> wrote: > > Fair enough, but also bear in mind that direct forms, typically implicitly > assumed by transfer function-based DSP texts, are more prone to quantization > issues than a TPT SVF, so one might still want to apply the latter (no matter > how you arrive at the transfer function itself). > > Regards, > Vadim > > On Thu, Nov 30, 2023 at 7:27 AM Nigel Redmon <earle...@earlevel.com > <mailto:earle...@earlevel.com>> wrote: >> It’s a good source, but bear in mind that it doesn’t get you new kinds of >> basic filters, and its strength is in designs that give you good behavior >> while time-varying the parameters. In other words, it’s more important for >> synth filters with frequency controlled by envelope generators than for >> static filters for EQ. But a second-order Butterworth lowpass filter is >> still a second-order Butterworth lowpass filter, whether you get it from >> Robert’s cookbook formulas or a “VA” design. >> >> >>> On Nov 29, 2023, at 3:07 PM, Jens Johansson <jmobile...@gmail.com >>> <mailto:jmobile...@gmail.com>> wrote: >>> >>> One document I stumbled upon while googling is "The art of VA filter >>> design", by Vadim Zavalishin (it's apparently a book he published for >>> free). If I can even wrap my head around some of that stuff, might it be a >>> recommended good place to start I wonder? >>> >>> Cheers, >>> J >>> > > > -- > Vadim Zavalishin > Reaktor Application Architect | R&D > Native Instruments GmbH > +49-30-611035-0 > > www.native-instruments.com <http://www.native-instruments.com/>
