by Xen-Arts
4.0 / 5     (5 votes)
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IVOR (Microtonal Virtual Analog Synthesizer) is a subtractive synthesizer designed for microtonal and xenharmonic music.

It is a two-oscillator subtractive synthesizer that features full-controller MIDI Pitch Microtuning using MTS (MIDI Tuning Standard), where any MIDI Note Number can be freely microtuned to any desired pitch across the MIDI range, thereby enabling musicians and composers to explore the vast expressive possibilities of composing music with alternative intonation systems.

IVOR is a microtonal sound-designer's virtual analog synthesizer with a carefully designed ergonomic workflow for quickly creating powerful sounding and musical useful timbres. It excels at making categories of timbres that include bass, distortion, keys, pads, broken, weird, leads and other analog synthesis types of sounds.
  • A knob-less design featuring slider controls only, which enables intuitive direct control with a computer mouse.
  • A dedicated control signal system mapped to the most important synthesis functions.
  • Settings are made by typing values into fields, dropdown lists, left-and-right arrows, switches and sliders.
  • Enables musicians to specify precise microtonal pitch-bend settings.
  • Features arbitrary microtonal oscillator transposition settings.
  • Velocity modulation of harmonics enables dynamically playing harmonics of the fundamental pitch.

Oscillator Section
  • Two Oscillators with 22 Waveforms.
  • Microtonal, Harmonic Series and Subharmonic Series Oscillator Transposition.
  • LFO (with Rate Sequencer) and Envelope Generator for Phase, Pulse-Width and Pitch Modulation.
  • LFO and Envelope Generator features both Unidirectional and Bidirectional Modulation.
  • Analog Pitch Drift Emulator with both Unidirectional and Bidirectional Modulation.
  • Velocity-to-Harmonics Modulation enables oscillators to dynamically sound harmonics of the fundamental pitch.
  • Ring Modulation with 23 RM Types.
  • Oscillator and Ring Modulator Mixer.

Filter Section
  • Pre-Filter Saturation Stage with 20 Saturation Types.
  • Two Independent Filters with Six Filter Types: LP4, LP2, HPF, BPF, BRF, APF.
  • One and Two Stage Filter Cascade.
  • LFO (with Rate Sequencer) and Envelope Generator for Filter Cutoff Frequency Modulation.
  • LFO and Envelope Generator enables both Unidirectional and Bidirectional Filter Modulation.

VCA Section
  • Dedicated Envelope Generator.
  • Switchable Velocity Sensitivity and Fixed Volume Control.

Performance Control
  • MIDI Pitch Microtuning with MTS (MIDI Tuning Standard).
  • MTS Support for both Single Note and Bulk Dump.
  • Loads MTS Microtuning Format Files Internally and Receives MTS Externally.
  • Local (Per-Patch) and Global Microtuning (Static Microtuning for All Patches).
  • Microtunings can be loaded from any directory on hard drives or storage devices connected to the computer.
  • Ten Note Polyphonic.
  • Monophonic Legato Mode.
  • Polyphonic Portamento with Three Glide Modes.
  • Microtonal Pitch Bend.
  • Vibrato.
  • Effects include Warm Filter and Stereo Ensemble.

IVOR includes a detailed instruction manual, 98 factory patches and 54 microtonal tunings.
Michael W. Dean Sept 01 2018
(5 / 5)
Sept 01 2018
Love it! Was my intro into xenharmonic music, and I'm having a blast. Works well.
Samhooey Sept 23 2017
(5 / 5)
Sept 23 2017
Nice with great distinctive sounds.
Peter P. Marques Apr 09 2015
(5 / 5)
Apr 09 2015
PERFECT. <3 Combo IVOR-SCALA-CUBASE = Fell like Stockhausen.