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 TrapezoidSynth by Uhhyou is a Virtual Instrument Audio Plugin. It functions as a VST 3 Plugin.
TrapezoidSynth
Product TrapezoidSynth
Developer Uhhyou
Price (MSRP)
Free
Type / Tags Synthesizer
Plug-in, App & Soundware Format(s)
Instrument(s) 
Operating System Availability
Operating
System
Latest
Version
Download Released
 
0.1.2
 
  Download Released
 
0.1.2
 
  Download Released
 
0.1.2
 
  Download Released
Miscellaneous Information
Copy ProtectionNone
Important Note
GUI is disabled for Linux build for now.
GPL 3

Note: Currently Linux build doesn't display GUI due to some problem related to VSTGUI. For Linux, LV2 version is available at https://github.com/ryukau/LV2Plugins.

Note: I don't have mac so macOS build is not tested. If you find bug, please report it to https://github.com/ryukau/VSTPlugins.

TrapezoidSynth is a monophonic synthesizer equipped with two trapezoid oscillator which is piecewise function of PTR ramp function. In other words, it's just a fancy version of tri-pulse oscillator:

  • Equipped with 2 trapezoid oscillator.
  • Pitch drift with white noise for oscillator 1.
  • Slope and pulse width controls for trapezoid shape.
  • Phase modulation to oscillator 1. Feedback knob is just another phase modulation.
  • Up to 8 order low-pass filter with saturation.
  • Can be modulate filter cutoff with Oscillator 1 output.
  • 2 ADSR envelopes for output gain and filter. Filter envelope can be used to modulate oscillator pitch in octave.
  • 2 AD envelopes for various modulation.
  • Retrigger control for all envelopes.
  • 1 LFO for oscillator 1 and filter cutoff.
  • 3 types of pitch slide. Always, only when sustain, reset to 0 Hz when first note on or last note off.
  • Pitch slide time offset between oscillator 1 and 2.

LV2 version is used in demo video. Only difference between VST3 version and LV2 version is small details in GUI.

{See video at top of page}

Latest User Reviews Average user rating of 0.00 from 0 reviews
Discussion

Discussion

Discussion: Active
Illforddd
Illforddd
17 November 2019 at 2:48pm

There's no VST file?

ryukau
ryukau
20 November 2019 at 12:40am

I think I clicked wrong button and deleted the post. I'm very sorry for that.

Removed post said a file is missing in package. It's now fixed and windows binary is available.

I'll try to find a way if it's possible to revert the deletion.

oddy.o.lynx
oddy.o.lynx
1 December 2019 at 3:04am

the VST3 doesn't display in Linux however I have successfully built the VST2 which does display, as does the LV2.

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