Korg Poly800/EX800 Users group photo

Yahoo Groups archive

Korg Poly800/EX800 Users

Index last updated: 2026-04-28 23:27 UTC

Messages

Browse messages

Page 102 of 141 · 7050 messages matched

Re: [korgpolyex] Re: LFO's

2007-07-19 by jure zitnik

haha yes it s pretty obvious for this case, but i think many (probably most) math libraries out there also use some kind of interpolated lookup table. although

Thread view Attachments: 0

Re: LFO's

2007-07-18 by korgpolyex800

Hey Jure, That s good advice given that the CPU is only 8 bits and has no floating point arithmetic logic unit. LOL

Thread view Attachments: 0

Re: [korgpolyex] LFO's

2007-07-17 by Atom Smasher

... =============== very good stuff, especially that! -- ...atom ________________________ http://atom.smasher.org/ 762A 3B98 A3C3 96C9 C6B7 582A B88D 52E4 D9F5

Thread view Attachments: 0

LFO's

2007-07-17 by korgpolyex800

Hi Atom, The existing and future LFO are implemented as software generated cycles. I haven t quite worked out the exact math used to generate the waveform (is

Thread view Attachments: 0

Re: [korgpolyex] Re: Unison

2007-07-15 by Atom Smasher

... ============= how about making MG (LFO) 1 and 2 targets for MG (LFO) 2? can detune be a target? or would it sound zippery because of the way that the

Thread view Attachments: 0

Re: Unison

2007-07-14 by korgpolyex800

Yes, I ve added that feature to my to do list. We want to be able to create a randomising MG to compliment the existing LFO and MG. I think we definitely want

Thread view Attachments: 0

Re: [korgpolyex] Re: Unison

2007-07-14 by Atom Smasher

... ===================== well, there s random, and there s RANDOM... i don t think any musical instrument needs a random modulation source that s

Thread view Attachments: 0

Re: [korgpolyex] Re: Unison

2007-07-14 by jure zitnik

theoretically, you could implement another MG (modulation generator) that would output randomized values... implementing a random from the scratch, on the

Thread view Attachments: 0

Re: [korgpolyex] Re: Randomization ?

2007-07-13 by Atom Smasher

... ================= one way would sound like bleoop , and he inverse would sound like in inverted bleoop ;) off the top of my head, i can t think of a

Thread view Attachments: 0

Re: Unison

2007-07-12 by korgpolyex800

Modulating the filter or osc from the noise generator is definitely a hardware mod. These sorts of mod s I am trying to address through digital potentiometers

Thread view Attachments: 0

Re: Unison

2007-07-12 by Russ

I dont think randomization is required so much as being able to use noise as a modulation source for the filter or osc. not sure if this is electrical or a

Thread view Attachments: 0

Velocity features

2007-07-12 by korgpolyex800

Here is my list so far: i) velocity input to maximum volume value per DCO. ii) velocity input to EG s attack. iii) velocity to VCF cutoff. iv) velocity to VCF

Thread view Attachments: 0

Re: Unison

2007-07-12 by korgpolyex800

Great to hear from you again Atom, The TG in the Poly 800 is the OKI MSM-5232. This chip was actually used in many arcade games and that seems to be what it

Thread view Attachments: 0

Re: [korgpolyex] Re: Unison

2007-07-12 by jure zitnik

i don t think playing a note with just any frequency is possible... there s probably a table of note-to-freq values somewhere hard-coded. if you remember, you

Thread view Attachments: 0

Re: [korgpolyex] Re: Randomization ?

2007-07-12 by Atom Smasher

... ================ don t forget the option to invert the velocity settings! -- ...atom ________________________ http://atom.smasher.org/ 762A 3B98 A3C3 96C9

Thread view Attachments: 0

Re: [korgpolyex] Re: Unison

2007-07-12 by Atom Smasher

... ====================== wouldn t it be possible/feasible to get a four (or eight) oscillator detune in a similar way to playing a chord: just tell each of

Thread view Attachments: 0

Re: Flow chart?

2007-07-11 by korgpolyex800

Fran, I was just being facecious. I haven t resorted to flow charts yet because the disassembly is actually not too difficult to read - yet. I happened to

Thread view Attachments: 0

Re: Flow chart?

2007-07-11 by narfman96

Shows how much of a programmer I am. Not! You must have some way of denoting all the sub-routines, program branches and loops. I used the old electronics

Thread view Attachments: 0

Re: Randomization ?

2007-07-11 by jusufzemplin

... I supposed it ,though I have only elementary knowledge of programming. ... Yes, it would be great!! It is much better way to this result. It would be

Thread view Attachments: 0

Re: Unison

2007-07-10 by kozmisch

Thank you, Mike, for the explanation. I wish you good luck in the process.) Jani.

Thread view Attachments: 0

buying new patches

2007-07-10 by Wayne

I was wondering if anybody has tried the patches offered by Kid Nepro. If they have: How good were the sounds?, Were they worth the $25.00?, Did you have any

Thread view Attachments: 0

Re: Unison

2007-07-10 by korgpolyex800

Hi Kozmisch, I thought a little more about Unison and portamento modes. When you look at the design and features on the Korg EX-8000/DW-8000 you can see how

Thread view Attachments: 0

Poly-800 II Service Manual and Mods

2007-07-10 by narfman96

I was surfing Ebay yesterday when an interesting item caught my eye... An original Poly-800 II Service Manual complete with schematics and parts listing.

Thread view Attachments: 0

Re: Randomization ?

2007-07-10 by korgpolyex800

This would take a lot of work but could be done. The question is will the work be worth the result. I am not sure that it would be worth the work. But, I am

Thread view Attachments: 0

Randomization ?

2007-07-10 by jusufzemplin

Hi , I had an idea about making some modification, what would randomize values of Envelope generators for example in some limits. Sound would be more life. I

Thread view Attachments: 0

Re: Unison

2007-07-09 by korgpolyex800

Hi Kozmisch, Unison mode would be great if all 8 DCO s could be detuned but the MSM 5232 tone generator chip only has two clock inputs. One for four DCO s and

Thread view Attachments: 0

Unision

2007-07-09 by kozmisch

Hi! I m interested, if in the new soft/hardware update known as Poly/EX 800 MKIII coould be a Unision Option. It would be very powerful, 8 DCOs, detuned,

Thread view Attachments: 0

Three controllers done

2007-07-07 by korgpolyex800

Thanks for that Summa, I will make sure I follow the GM2 MIDI spec from this point forward. Just think of it, the EX800 will actually be GM2 compatible! Also,

Thread view Attachments: 0

Two and a half new controllers

2007-07-06 by korgpolyex800

Hi all, Well, today I created to new MIDI controllers for the EX800. Now you can control VCF cutoff and VCF resonance via MIDI controllers 3 and 4. So that s

Thread view Attachments: 0

Re: [korgpolyex] Another little update

2007-07-02 by jure zitnik

i m really happy everytime you post about progress, you the man! i wish i could help you but i don t think i m competent to act smart about EG maths ... still

Thread view Attachments: 0

Another little update

2007-07-02 by korgpolyex800

Gooday Poly fans, I managed to spend another few hours pouring over the EX800 assembler code and discovered a fundamental error in my interpretation of one

Thread view Attachments: 0

Re: anybody out there?

2007-06-30 by narfman96

I m hanging out waiting to go to the Rush concert at SPAC tonight so I decided to sample the noise level mod. The tune I played is dorky sounding at best but

Thread view Attachments: 0

Re: anybody out there?

2007-06-26 by narfman96

I could sample it and post an mp3 of the sound so you can decide for yourself if it is useable....

Thread view Attachments: 0

Re: anybody out there?

2007-06-25 by narfman96

I did the Noise Level mod this past weekend. Basically all I did was replace the 1 meg ohm trimmer (VR3) on the board with a 1meg pot mounted on the top panel.

Thread view Attachments: 0

New file uploaded to korgpolyex

2007-06-21 by korgpolyex@yahoogroups.com

Hello, This email message is a notification to let you know that a file has been uploaded to the Files area of the korgpolyex group. File :

Thread view Attachments: 0

Sequencer trigger - an idea!

2007-06-05 by radek_tymecki

Damn I was thinking... Maybe it s possible to make sequencer trigger?! So we ll be able to connect our drum machines [TR707 etc]? Anyone knows sth?

Thread view Attachments: 0

Re: anybody out there?

2007-06-05 by narfman96

Hi Brian, Glad you re still here, time has been flyin by for me because it s our busy time of year so I know what you mean. I didn t find out anything other

Thread view Attachments: 0

Re: anybody out there?

2007-06-05 by BRIAN

... white noise VR-3 mod is similar to the VR-5 or VR_2 mod? Also do you have a detailed schematic for the delay mod on VR-3 delay board. Thanks again for all

Thread view Attachments: 0

Re: [korgpolyex] Re: ITS ALIVE

2007-05-31 by David Mochen

Oh, OK... good luck with it! :-) ... From: Marcus Wilson To: korgpolyex@yahoogroups.com Sent: Thursday, May 31, 2007 7:45 AM Subject: Re: [korgpolyex] Re: ITS

Thread view Attachments: 0

Move to quarantaine

This moves the raw source file on disk only. The archive index is not changed automatically, so you still need to run a manual refresh afterward.