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Obxd synthesizer

VST, AU, etc. plug-in Virtual Instruments discussion

Moderator: Moderators (Main)

2DaT
KVRist
 
273 posts since 21 Jun, 2013

Postby 2DaT; Thu Aug 29, 2013 6:50 am

analoguesamples909 wrote:it sounds pretty good. One question - would it be possible to add in some low noise and dirt/colour into the Osc and filters? Despite sounding quite authentic to my ears it sounds a bit too clean as it stands compared to an analogue-at least-my OB8. It would be good for modern styles of music but perhaps it could have an 'old' mode or something...?


I am looking for it.To emulate those analog imperfections i need .wav samples of unmodulated sounds (which i cant find on the internet) eg 1 osc saw at full cutoff without anything.

I think the vst should sound close to analog synth plugged into the sound card. Its worthless to compare overcompressed .mp3 and youtube videos at all.
HunterKiller
KVRAF
 
1535 posts since 9 Mar, 2006, from Sydney, Australia

Postby HunterKiller; Thu Aug 29, 2013 11:13 pm

“Don't tell me the sky's the limit when there are footprints on the moon.” - Paul Brandt
2DaT
KVRist
 
273 posts since 21 Jun, 2013

Postby 2DaT; Tue Sep 03, 2013 2:28 am

Added some additional waveshaping to warm up the sound.Lets compare:
Original ob-xa with some delay.
http://www.babic.com/SYN/OBXA/OBXA_reso ... amento.mp3
Raw ob-xd. Some hearable clipping though :?
https://dl.dropboxusercontent.com/s/iz2 ... g/obxd.mp3
Maybe i overtweaked params somewhere but what about overall impression?
Last edited by 2DaT on Tue Sep 03, 2013 2:43 am, edited 2 times in total.
2DaT
KVRist
 
273 posts since 21 Jun, 2013

Postby 2DaT; Tue Sep 03, 2013 2:41 am

fixed
izonin
KVRian
 
666 posts since 27 Oct, 2009

Postby izonin; Tue Sep 03, 2013 3:19 am

The hardware has more energy in the higher frequencies. In the software the energy is distributed equally across the spectrum, leading to a flatter, duller sound. My advice is to work towards achieving those fresh and shiny highs.
I could be completely wrong.
User avatar
chk071
KVRAF
 
2771 posts since 10 Apr, 2010, from Germany

Postby chk071; Tue Sep 03, 2013 3:23 am

Hard to compare actually. Could you try to equal the envelopes a bit more?
electro
KVRAF
 
3256 posts since 5 May, 2002

Postby electro; Tue Sep 03, 2013 3:45 am

2DaT wrote:Added some additional waveshaping to warm up the sound.Lets compare:
Original ob-xa with some delay.
http://www.babic.com/SYN/OBXA/OBXA_reso ... amento.mp3
Raw ob-xd. Some hearable clipping though :?
https://dl.dropboxusercontent.com/s/iz2 ... g/obxd.mp3
Maybe i overtweaked params somewhere but what about overall impression?


First thing you need to do is nail 1 running oscillator with the filter fully open and Resonance at zero. you should be able to splice the hardware with the plugin back and forth and not be able to tell where the splice points are. The golden example is what Relab did with lx480
http://www.kvraudio.com/forum/viewtopic ... sc&start=0


After you achieve that, the next step is to calibrate the envelopes at various settings.
Intel Core2 Quad CPU + 4 GIG RAM
2DaT
KVRist
 
273 posts since 21 Jun, 2013

Postby 2DaT; Tue Sep 03, 2013 4:22 am

Thanks everyone for response.Note that plugin is still in the active development and sound characteristics may change significantly.
Now i want to focus on porting to c++ with mac support and increased performance. So there wont be sound improvements till i get hand to hardware(which i hope to). :)
User avatar
fluffy_little_something
KVRAF
 
3065 posts since 5 Jun, 2012

Postby fluffy_little_something; Tue Sep 03, 2013 5:17 am

I am not sure, but it seems to me that the original sounds more intense and pleasing in the mid-frequency range, whereas your emulation sounds sharper and more piercing in the higher frequencies. I personally prefer the original's softer, rounder sound because I am a bit allergic to high frequencies.
But maybe it is just my ears playing a trick on me :)
analoguesamples909
KVRian
 
1487 posts since 28 Dec, 2007

Postby analoguesamples909; Tue Sep 03, 2013 6:12 am

2DaT wrote:
analoguesamples909 wrote:it sounds pretty good. One question - would it be possible to add in some low noise and dirt/colour into the Osc and filters? Despite sounding quite authentic to my ears it sounds a bit too clean as it stands compared to an analogue-at least-my OB8. It would be good for modern styles of music but perhaps it could have an 'old' mode or something...?


I am looking for it.To emulate those analog imperfections i need .wav samples of unmodulated sounds (which i cant find on the internet) eg 1 osc saw at full cutoff without anything.

I think the vst should sound close to analog synth plugged into the sound card. Its worthless to compare overcompressed .mp3 and youtube videos at all.


I have an OB8 if thats useful...should be getting it back from the menders soon...
strog
KVRer
 
1 post since 29 Jan, 2008

Postby strog; Wed Sep 04, 2013 10:13 am

I get this VST.NET error on initialization. Renoise 2.8

system null reference exception : Object reference not set to an instance of an object

at Obx.Processor.get_parameters() at jacobi.Vst.Framework.Plugin.StdPluginCommandStub.GetParameter(Int32 index)

at Jacobi.Vst.Interop.Plugin.PluginCommandProxy.GetParameter(Int32 index)
2DaT
KVRist
 
273 posts since 21 Jun, 2013

Postby 2DaT; Thu Sep 05, 2013 1:32 pm

Did my midnight idea to dither the filter .Some tweaking can be done later.No external processing.
https://dl.dropboxusercontent.com/s/47z ... erdirt.wav
Note that this is not added white noise signal , but some complicated noise that modulates itself inside the filter (exists in analogue schemes). That gives high frequencies shiness and low frequencies noisyness.
2DaT
KVRist
 
273 posts since 21 Jun, 2013

Postby 2DaT; Sun Sep 22, 2013 9:08 am

I think i wont do it by the end of this month. But results i get with c++ are good, at least double performance in current version. :) i think with some dsp tricks i can triple it
analoguesamples909
KVRian
 
1487 posts since 28 Dec, 2007

Postby analoguesamples909; Sun Sep 22, 2013 9:13 am

2DaT wrote:I think i wont do it by the end of this month. But results i get with c++ are good, at least double performance in current version. :) i think with some dsp tricks i can triple it


nice work...just wondering if a mac au might be planned for 'one day'?
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