Is there any synth that can do roland's Saw PWM?

VST, AU, AAX, etc. plug-in Virtual Instruments discussion
bstageboss
KVRist
289 posts since 11 Sep, 2004 from just a little to the left

Post Mon Jul 25, 2011 8:31 pm

Some interesting stuff. Do we have any developers watching this?

cytospur wrote:I think this image might be quite pertinent:

Image


Yep, that's pretty much what I was looking for in the manual. Where'd you find it?

By the way, it is possible to do the D-50 style saw PWM with Synth 1 (sort of):

http://www.box.net/shared/n012ehrtquh09tfc766p

Tricky thing is that Synth 1 uses freerunning oscillators, so it will sound different everytime you hit a key. In the above example I got somewhat lucky.
The ideal situation would be a start phase control on on the sine wave oscillator, to ensure a consistent sound for every note.

Anybody guess the mystery synth yet? (Hint: It has a phase control for one of the oscillators)

STV

AdmiralQuality
Banned
6657 posts since 10 Oct, 2005 from Toronto, Canada

Post Mon Jul 25, 2011 8:39 pm

bstageboss wrote:Some interesting stuff. Do we have any developers watching this?


Ahem. ;)

cytospur wrote:I think this image might be quite pertinent:

Image


Yep, that's pretty much what I was looking for in the manual. Where'd you find it?

By the way, it is possible to do the D-50 style saw PWM with Synth 1 (sort of):

http://www.box.net/shared/n012ehrtquh09tfc766p

Tricky thing is that Synth 1 uses freerunning oscillators, so it will sound different everytime you hit a key. In the above example I got somewhat lucky.
The ideal situation would be a start phase control on on the sine wave oscillator, to ensure a consistent sound for every note.

Anybody guess the mystery synth yet? (Hint: It has a phase control for one of the oscillators)

STV


Andromeda?

Poly-Ana's oscillators can be set to retrigger on note start (or not). As well as setting the starting phase (the phase knob doesn't mean much on a free running oscillator, though phase can still be modulated for classic "FM" operator sounds).

zorniko
KVRist
466 posts since 31 Jan, 2010

Post Mon Jul 25, 2011 11:10 pm

bstageboss wrote:Tricky thing is that Synth 1 uses freerunning oscillators

Tried to use phase knob?

zorniko
KVRist
466 posts since 31 Jan, 2010

Post Tue Jul 26, 2011 12:51 am

I can get VERY close to that D50 waveshape with this settings:

Image

(pitch = -12, fine = +01, p/w around 3/4, phase = 1)

A little note: to hear the phase change when moving a knob you must press a key again.

cytospur
KVRian
1020 posts since 26 Jun, 2002 from London, UK

Post Tue Jul 26, 2011 1:38 am

bstageboss wrote:Some interesting stuff. Do we have any developers watching this?

cytospur wrote:I think this image might be quite pertinent:

Image


Yep, that's pretty much what I was looking for in the manual. Where'd you find it?

STV


I think it's from the D50 manual, but I found it on Google Images.
Music: https://soundcloud.com/markholt
DUNE2, Serum, Blofeld and compatibles wavetables: http://charlesdickens.neocities.org/

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Urs
u-he
22400 posts since 8 Aug, 2002 from Berlin

Post Tue Jul 26, 2011 2:21 am

Oh My Goodness. I'll be dammed.

This thing works. Here's the Zebra patch for D-50 Saw with PWM:

http://www.u-he.com/zebra/patches/UHD50Saw-PWM.h2p.zip

Note that the filter still works and is resonant even though it's *before* the ringmodulator :shock:

Intriguing!

User avatar
Urs
u-he
22400 posts since 8 Aug, 2002 from Berlin

Post Tue Jul 26, 2011 4:46 am

(uploaded it again... PW wasn't centered... sounds better now!)

bstageboss
KVRist
289 posts since 11 Sep, 2004 from just a little to the left

Post Tue Jul 26, 2011 7:38 am

zorniko wrote:
bstageboss wrote:Tricky thing is that Synth 1 uses freerunning oscillators

Tried to use phase knob?


:dog: Didn't even notice that [fires up reaper and loads Synth1]...yep, there it is. Cool!


Urs wrote:Oh My Goodness. I'll be dammed.

This thing works. Here's the Zebra patch for D-50 Saw with PWM:

http://www.u-he.com/zebra/patches/UHD50Saw-PWM.h2p .zip

Note that the filter still works and is resonant even though it's *before* the ringmodulator

Intriguing!


I bet the filter does sound a little different and you might not get it to self-oscillate in this configuration.

Looks like I'll have to get Zebra for myself now (barring winning it in a Patch contest, which hasn't happened yet :( , I'll go ahead and buy the license and support the developer) It's always been on the horizon, but I think it's time. You still have that "replaced by Zebra" discount, don't you? I'm thinking of putting the card on, oh, say, a D-50 perhaps? :hihi:

STV

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WOK
KVRAF
2093 posts since 24 Feb, 2004 from Germany

Post Tue Jul 26, 2011 7:54 am

ImageImage

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Bronto Scorpio
KVRAF
5555 posts since 13 Feb, 2006 from Wiesmoor, Germany

Post Tue Jul 26, 2011 8:20 am

Urs wrote:Oh My Goodness. I'll be dammed.

This thing works. Here's the Zebra patch for D-50 Saw with PWM:

http://www.u-he.com/zebra/patches/UHD50Saw-PWM.h2p.zip

Note that the filter still works and is resonant even though it's *before* the ringmodulator :shock:

Intriguing!
Interesting patch! :)

Cheers
Dennis

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Urs
u-he
22400 posts since 8 Aug, 2002 from Berlin

Post Tue Jul 26, 2011 8:40 am

bstageboss wrote:I'm thinking of putting the card on, oh, say, a D-50 perhaps? :hihi:

Always a welcome retiree ;)

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Sendy
KVRAF
5230 posts since 20 Jul, 2010

Post Tue Jul 26, 2011 11:46 am

zorniko wrote:
Sendy wrote:The JP-8000 just seems to sort of crease up and become a bit brighter, like some kind of FM... From the manual:

Image


I approx. achieved this pic :) (on Synth1) also with the ring mod: osc1 sine, osc2 square (-12), 0:100, p/w 127, LP24 (not fully open)...

Image
https://sites.google.com/site/zornikokv ... P8ktri.mp3


Thanks for that! It's a good start, and certainly in the right ballpark, but there are asymmetries which should become more and more present as you increase the 'Shape' parameter, and obviously it needs to morph smoothly from the triangle, thru the spikey wave in the middle, to the top crumpled wave.

It's just such an arbitrary seeming transformation for Roland to put in, and unlike anything I've seen, but sounding quite nice, hence my curiosity.
http://sendy.bandcamp.com/releases < My new album at Bandcamp! Now pay what you like!

zorniko
KVRist
466 posts since 31 Jan, 2010

Post Tue Jul 26, 2011 12:01 pm

Waveshapes from WOK's SAM, just to have a pic reference here.
It would be nice if someone will post Urs's Zebra patch example as mp3 and synth or waveshape pic.

Image

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Sendy
KVRAF
5230 posts since 20 Jul, 2010

Post Tue Jul 26, 2011 12:50 pm

Here are the resulting waveforms from Urs' D-50 patch.

Image

Really interesting patch to play with, I liked the sound it made when I lowered the pulse an octave.
http://sendy.bandcamp.com/releases < My new album at Bandcamp! Now pay what you like!

zorniko
KVRist
466 posts since 31 Jan, 2010

Post Thu Jul 28, 2011 2:12 pm

This one? You may also find it interesting to play...

Image

phase, p/w = 96, mix 25:75.

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