KVR Audio

zerocrossing · Post by **zerocrossing** » Thu Apr 25, 2013 11:45 am

sqigls wrote:and yes, i am the idiot.
and i am in suspense.

andy-cytomic · Post by **andy-cytomic** » Thu May 02, 2013 1:22 pm

Some good news, while I was waiting to hear back from testers I got totally obsessed with finishing the Cascade SH filter and it's all done! I'll include it in the new build. I designed a custom filter based on a cross between a Roland Jupiter-8 and an SH-2. Because of the large number of voltages and components being modelled I finally took the plunge and invested the time in automating the entire process of generating SSE2 code directly from the definitions of all the components and how they are connected. There is still some manual legwork involved in defining the order in which dependencies are solved, but the turnaround time now to try new ideas has reduced from an hour down to around 10 minutes which really helps!

It was bloody hard getting this one done, and I completely shut down checking email and sometimes even eating, but I'm very happy with the results. I had to model the full resistor network that supports the IR3109 chip to get just the right top end sizzle. Here are some photos of the breadboard, some audio demos and a video coming soon

penguinfromdeep · Post by **penguinfromdeep** » Thu May 02, 2013 1:32 pm

WOW!!!

Motion · Post by **Motion** » Thu May 02, 2013 2:09 pm

That's serious heavy brain wear from a crap load of hard work, looking forward to more filter black magic. Thanks for the info and nice insights.

MFXxx · Post by **MFXxx** » Thu May 02, 2013 3:06 pm

Excellent insight of work progress and development. Amazing amount of work!

Looking forward to the exhilerating output

Does this mean beta0.999 is in the pipeline?

xiphiuz · Post by **xiphiuz** » Thu May 02, 2013 3:22 pm

Great to hear Andy! Your filter is not only musical and damn fine. But all the modulation possibilities are a bless!
Oh and I forget the drive and pre and post gain

Can't wait for this one... .. .

themossinator · Post by **themossinator** » Thu May 02, 2013 4:03 pm

you can hear the results of all that hard work in the Drop - it really is a cut above any thing else.....well done Andy!

andy-cytomic · Post by **andy-cytomic** » Fri May 03, 2013 4:13 am

A couple of audio demos for the Cascade SH 4 pole low pass to give you an idea of the tone, nothing fancy just some sweeps with varying drive, and a basic arp with some knob twiddling:

www.cytomic.com/files/drop-cascade-sh-sweeps.mp3
www.cytomic.com/files/drop-cascade-sh-arp.mp3

lnikj · Post by **lnikj** » Fri May 03, 2013 5:23 am

The resonances sound incredible Andy and the non-linearities give it a really organic feel. Can't wait to get my hands on your next beta!

MFXxx · Post by **MFXxx** » Fri May 03, 2013 7:02 am

andy_cytomic wrote:A couple of audio demos for the Cascade SH 4 pole low pass to give you an idea of the tone, nothing fancy just some sweeps with varying drive, and a basic arp with some knob twiddling:

www.cytomic.com/files/drop-cascade-sh-sweeps.mp3
www.cytomic.com/files/drop-cascade-sh-arp.mp3

Andy these sound absolutely incredible...this is going to be a killer plugin.

I'd be interested in listening to a/b (know you are busy) an original source for comparisson would be good for reference.

Keep up the great work...can't wait.

xiphiuz · Post by **xiphiuz** » Fri May 03, 2013 7:34 am

Superb sounding filters Andy! The low end is superb and the resonance is killer! Any ETC or ETA?

@MFXxx you can already buy this amazing plugin and its getting better and better "every day"!

MFXxx · Post by **MFXxx** » Fri May 03, 2013 7:48 am

xiphiuz wrote:Superb sounding filters Andy! The low end is superb and the resonance is killer! Any ETC or ETA?

@MFXxx you can allready buy this amazing plugin and its getting better and better "every day"!

Already got it way,way back

I was referring to the demo ie raw vs effected. My bad I can see how it's misinterpreted.

xiphiuz · Post by **xiphiuz** » Fri May 03, 2013 7:52 am

Allright!

andy-cytomic · Post by **andy-cytomic** » Fri May 03, 2013 8:19 am

MFXxx wrote:
Andy these sound absolutely incredible...this is going to be a killer plugin.

I'd be interested in listening to a/b (know you are busy) an original source for comparisson would be good for reference.

Keep up the great work...can't wait.

I'm going to do a screengrab of a scope and spectrum display with a/b switching between the model and the breadboard through a range of settings like I did for the MS20 mk2 and Prodigy. Is this what you meant?

xalama qo · Post by **xalama qo** » Fri May 03, 2013 8:53 am

Wow...superb! Love it!

Cytomic "The Drop" Resonant Filter