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Infos, versions and license:

General features:

Name: Kx-PolyM-CSE
File name: Kx-PolyM-CSE.dll
Author: Xavier Kalensky
Marque: KX77FREE
OS: All Windows (32 bit or 64 bit hosts with vst 2.xx bridge)
Type: 2.3 VSTi (x86)
State: Release

Name: Kx PolyM CSE
File name: Kx PolyM CSE.vst3 or dll (same file)
Author: Xavier Kalensky
Marque: KX77FREE
OS: All x64 Windows
Type: 3.66 VST3-VST2 (x64)
State: Release


1.00 21-07-2013
1.10 14-12-2013
1.1c 12-01-2014
1.1d 22-07-2014
1.1e 10-11-2014
1.1f 27-05-2015
1.1g 12-07-2015
1.1h 15-02-2016
1.1i 11-06-2016
1.2 14-08-2017
2.00 05-03-2017 (x64 only)
2.03 10-06-2017 (x64 only)
2.04 26-06-2017 (x64 only)
2.05 06-08-2017 (x64 only)
2.06 19-11-2017 (x64 only)

version 1.1:
- 55 KX's presets added.
- Now the Lfo envelope is reseted correctly like the original.
- No Lfo synchronization with the host if the Lfo envelope controls the Lfo speed, only the host tempo value is used to control the Lfo speed.
- Values under the BAR for the envelope synchronization with the host tempo.
- Improvement of the Scope by setting its rate to 15 hz.
- Improvement of x16 files loading when the plug-in is initialized.
Fixed bug:
- Now after a Prg Change the plug-in plays the first Midi note.
- The resonance is decreased following the output of Sv filters to avoid an overflow of these filters when the Noise modulates the Cut off and the resonance level is upper than 8 (SvLp, SvHp, SvBp, SvBr).

version 1.1c:
- Optimization of EQ filters.
- Minor internal changes.
Fixed bug:
- The SvBr cut off was wrong in 4 poles mode.

version 1.1d:
- 6 new filters: SV (type R, more resonance) and Vcs3 (based of BLT's recording).
- Improvement of Lo* and Hi* filters (renamed Mg* and Mgd*).
- Update of Fx filters (Sv to Sv type R).
- S/N ratio of the vcos synchronization improved.
- Ring modulator: new oversampling filter (upper fc).
- Possibility to disable the reset of oscillators.
- Improvement of Kxmod generators.
- Minor internal changes.
Fixed bug:
- An All Note Off Midi message is sending when the keyboard split limits are modified to avoid possible blocked notes during a program change.

version 1.1e:
- Possibility to detune the Sine oscillators.
Fixed bug (1.1d):
- The Midi input (note on) of the sequencer works properly even if its Hi limit is upper than the low limit of the synthesizer (split options).

version 1.1f:
- The number of SEM has been strongly decreased to prevent Windows limit of MT dlls loaded (only 2 sem files).
- Informations added into the property of SEM (dll) to prevent false positive AV alerts.
Fixed bugs:
- A Midi message All Notes Off (cc123) was sent when the pitch bend wheel was in upper position depending on the Midi keyboard used.

version 1.1g:
Fixed bug:
- New SDK3 SEM modules of all main plug-ins to prevent a possible bug of x16 sequencer during the initialization of a very large session in your DAW (Cubase 5 bug).

version 1.1h:
- Improvement of VCO 1 synchronization with oversampled processes (new parameter: Sync Colour).
- Improvement of IIR filters used for oversampling.
Fixed bugs:
- VCO 1: "Voice" was unavailable with the oscillator reset selector (enum list error).
- FX: filter reset when the filter knobs were used.

version 1.1i:
Fixed bug:
- VCA (Oversampled Modulation) : possible CPU overload when the matrix modulations were disconnected.

version 2.0 (x64 only):
SDK 369 - SE 1.2355
Some x86 features are not available yet:
Midi Learn, Midi out, help text on each knob, html loading, the possibility to change the background colour.
This version 2.0 is a beta built with KX77FREE c++ SEM and SE 1.2355 (some D2d GUI features are not finished yet).

version 2.03 (x64 only):
SDK 392 - SE 1.2399
- Midi learn.
- XML presets.
- DAW show parameters in correct order.
- Skins adapted to new SE directx gamma blending feature.
Following your driver the GPU Intel HD 4000 is not supported yet 
(edit: bugged optimus laptop drivers, hd4000 + nvdia 620m).
Fixed bugs:
- VSTHost 1.56 works fine now with all parameters
(edit: not solved in fact...).
- GUI editor loading time too long.
- Frozen GUI DAW while mouse held.

version 2.04 (x64 only):
SDK 392 - SE 1.2399
Fixed bug:
- Oscillators: x64 error code (shifted index), the S/N was decreased to -90 dBFs instead of -120 dBFs.

version 2.05 (x64 only):
SDK 392 - SE 1.2399
- Oscillator Sync quality improved.
- Clip leds added (internal signal clipped to +6 dBFs).
Fixed bug:
- Lfo speed knob blocked.

version 1.2 (x86 only):
SE 1.1914
- Oscillator Sync quality improved.

version 2.06 (x64 only):
SDK 412 - SE 1.2412

Made with the latest stable version of SE (1.2412) and with the latest SDK3 (c++).
Parameter indexes have been fixed to preserve compatibility between future versions.
These versions pass the main tests of the Steinberg tool to check the VST3.
The period of beta testing with end users is over.
Fixed bugs:
- XML presets: the file extension has been replaced by *.xmlpreset.
- The FX filters are correctly initialized after a sample rate change.

Built with the stable Synthedit release: 1.1914 (x86).
Built with the beta Synthedit release: 1.2412 (x64).

KX77FREE's SEM modules specialy written in C++ for this plug-in:
oscillators, ring modulator, matrix, filter, adsr, distortion, delay, etc...

Polyphonic Synthesizer. A virtual modular analog with matrix and CV/GATE sequencer.
This plug-in is a special work to implement a CS70M* emulation and the x16 sequencer inside a modular VA.

If you like this plugin, please do not forget to make some publicity about it.

Caution ! , If you are a novice, don't work with a headphone and the volume at max
because electronic instruments can generate powerfull bass (<40 hz)
and very high frequencies (res at max).
The KX77FREE plugins are made for electronic experienced musicians
who pratice electronic sounds synthesis regularly.

KX77FREE License:
author of the vst plugins KX77FREE: Xavier Kalensky

The user downloads and uses the vst plugins KX77FREE at his own risk.
The author of the vst plugins KX77FREE (or all other provider with KX77FREE agreement* )
can not be responsible of material** or corporal damages (direct or indirect) caused
by the use of the vst plugins KX77FREE.
* like Mao magazines, the url to download the KX77FREE files (zip or setup.exe, wma) is All other urls have not the author agreement!
** as any financial, personal or computer data loss.
It's recommended to save any important data before using the vst plugins KX77FREE.

The vst plugins KX77FREE in FREEWARE version are provided without warranty.
The user may not distribute the vst plugins KX77FREE in any way.
The user may not distribute, modify and use the files provided with the vst plugin (sem, dll, png, etc...) in any way.
The vst plugins KX77FREE are always distributed with the file ''Licence.pdf ''
which contains this licence.
Before downlading and using the vst plugins KX77FREE,
the user has read carrefuly this licence (1-Warning and 2-License) and he accept it.

KX77FREE: 2003-2017 by Xavier Kalensky. All Rights Reserved.

*All other copyrights and trademarks are the property of their respective owners:
SynthEdit: 2003 by Jeff McClintock. All Rights Reserved.
VST and ASIO are trademarks of Steinberg Soft- und Hardware GmbH.

Infos and license
Install infos
Midi learn

Install infos:

1- Unzip and copy the VST3 folder in "C:\Programs\Common files\VST3".

2- In "Users\"your account"\Documents\VST3 Presets\xavier kalensky\"Kx PolyM CSE",
you copy all *.vstpreset files provided with the VST3.

3- If your DAW does not support VST3, change the extension of the plugin *.vst3 by *.dll (VST2)
and copy the VST2 folder in "C:\Programs\Common files\VST2" or in your usual x64 VST folder...

4- Update the database of your DAW by scanning the VST3i plugins.

"Common Files" is a protected Windows system folder.
Your DAW must be in Administrator mode to save the sequencer *.x16 files or your XML presets.
If else you must save in your Document folder of your account or in out of protected Windows folders.

1- Unzip the

2- Copy the Kx-PolyM-CSE.dll and the "Kx-PolyM-CSE" folder into your Vstplugins folder.

Normally the plug-in copies its embedded files (*.sem, data, etc...) inside a folder with the same name when the plug-in is
initialized for the first time by your host program. But sometime on Vista or Seven that doesn't work with Live,
generally it is a bug about the rights. So this is why the plug-in folder is in the zip ...
You must be logged in administor not in simple user because you must have all rights on the "vstplugins" folder generally installed
in the  "Program file" folder which is protected by Windows.


About x64 VST:

VST2 recommended for VSTHost:
The GUI editor of VSTHost 1.56 stays incompatible when the plug-ins are used in VST3 not in VST2. VST3 GUI works fine only with VSTHost 1.54.

Recommended Fruity Loop VST settings:

Select "Use fixed size buffers" in the plug-in options to win 25% of CPU use!

Recommended Reaper VST settings:
With small Asio buffers if you experimented Reaper bugs when you reloaded a session without to close Reaper before.
To fix it > Preference > Plug-ins > VST > "Allow complete unload of VST plug-ins" (to clean all current session memory).
If you listen audio "pops" when you edit something on Reaper with Asio4All.
To fix it > FX windows > Compatibility settings > "Save minimal undo steps".

FAQ (x86):

1 - Why the oscillators are muted?
You selected types or numbers for waveforms which are not inside the plug-in folder.
This plug-in uses Kx77free's waveforms built with the Kx-Modulad. These files are classified in 3 quality: low, med, hi,
only the med quality (498 ko) is compatible with the Kx-PolyM plug-in.
They must be copied inside the root of plug-in folder.
Don't erase the data.kxw file because the plug-in uses it to locate the waveforms!

2 - Why my host cannot load the SEM modules when the plug-in is loading?
You forgot to copy the "Kx-PolyM-CSE" folder into your Vstplugins folder.

Normally the plug-in copies its embedded files (*.sem, data, etc...) inside a folder with the same name when the plug-in is
initialized for the first time by your host program. But sometime on Vista or Seven that doesn't work with Live,
generally it is a bug about the rights. So this is why the plug-in folder is in the zip ...
You must be logged in administor not in simple user because you must have all rights on the "vstplugins" folder generally installed
in the  "Program file" folder which is protected by Windows.

3 - How can I reduce the CPU use?
This plug-in is optimized but if you patch with a wrong way you will increase the CPU use!

- First, do the difference between the source signals. The polyphonic signals use more CPU, one modulation per note played.

Lfo, Noise, Lfo Eg, SH, Midi Ctrls.

Polyphonic gate on (note on):
Kbd, Vel.

Polyphonic alway running:
Kxmod, Vcos, Ring Modulator, Egs (to release end).

- With the matrix, do not select a source if you don't use it.

- Select off or None on the selectors (sub matrix, ring, filters).

- Set the level of the unused generators to 0 (led off).

- Avoid to use oversampled filters* and the polyphonic oversampled x4 distortion with poly presets!
You need to oversample x4 the distortion only if you work on presets with very high frequencies.

See the following CPU use tests ...

Relative % of cpu use for 6 notes played:

Sine, Saw, Tri=0.93%
Pw, TriSaw=1.3%

Vcos + sync + fade:
Sine, Saw, Tri=1.75%
Pw, TriSaw=2.2%

Ring= 0.5%
Ring*2 (oversampled)=4.4%

Filters: --=0.22%, NoRes=0.52%,
CS-SV=0.53%, Hp=0.59%, Hq=0.6%,
HqM=0.7%, LP18,12,6=0.8%,
LoM=0.83%, 18b,12a,6a=0.96%,
Hi=3%, Lo=3.15%, LP18=3.5%, LP18d=5%

Poly Stereo Distortion (oversampled):
1 vca = 7.2% (x4) or  3.8% (x2)
2 vcas = 14.4% (x4) or  7.6% (x2)

Mono source = 0.145% (1 up to 12 dest)
Poly source = 0.8% (1 up to 12 dest)
Selectors (poly) = 0.2% (none=0%, 1 dest)

4 -Midi Learn Setting:
The Midi Learn setting is saved in the bank and in the preset (x86 only).

5 - Beta-testing results:
This is a stable release, it was tested on 32 bits and 64 bits Windows with the main VST hosts:
Cubase SX, Cubase SE, Cubase 5, Samplitude, Orion, Cantabile, Energy XT, Reaper, FL, Live, VstHost, Chainer, Sonar...

6 - Minimum requirements (x86):

Windows  (32 or 64): Xp sp2, Vista, Seven...
Any compatible VST 2.3 32 bit host with Asio driver.
Need a vst 32 bridge (jbridge) with some 64 bit hosts (Live 64 bit).
Any old mono SSE2 processors >= : P4, Athlon K8.

This plug-in is not compatible with the old Athlon XP processors!

A 64 bit VST3 version of this plug-in will be available when SE 64 bit will be stable
and when the convertion of my SDK2 32 bit SEM modules to 64 bit modules will be end...
So if you want to use the Kx-PolyM-CSE with your 64 bit host and if this one has not a vst
32 bridge (64 bit version of Live), you can use the jbrige 32/64-64/32 vst bridge (20$ only):

Your host and Jbrigde must run in administrator mode:
To solve this, locate theirs shorcuts, right-click them, choose "Properties", and in the "compatibility" tab enable
"Run this program as an administrator option".

The KX77FREE plug-ins are FREEWARES, so 20$, it's a good deal!

7 - Recommended configurations:
All Dual Core or Quad Core configurations with host programs optimized for these processors.

8 - Know problems:
FL Studio:
The plug-in uses less CPU (-25%) and the wav export works fine with these Wrapper options:
- Use fixed size buffer.
- FL 9 and upper -> Allow threaded processing must be enabled (on quad core).
The Midi Learn doesn't work with FL, FL locks the CC for its automation.

To change the values of the knob fields, use the "Caps lock" key.

Midi learn:

All controllers can be edited with the Midi learn (right click).

CC 120 = All sounds off
CC 123 = All notes off

The default setting is all parameters set to "none".
The current setting is saved in the bank or in the preset (x86 only).

Infos and license
Install infos
Midi learn

KX77FREE: 2003-2017 by Xavier Kalensky. All Rights Reserved.