Modor Formant Filter Eurorack Module

£259.00

Based on the Formant Filter from the Modor NF-1 standalone synthesizer. Formant Filters create sounds similar to human vocal sounds. The Modor version allows you to use preset formants or to tune in your own and then save them.
  • Based on the Formant Filter from the Modor NF-1 standalone synthesizer.
  • Formant Filters create sounds similar to human vocal sounds.
  • The Modor version allows you to use preset formants or to tune in your own and then save them.

Height: 3U
Width: 16hp

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Manufacturer: ModorCategories: Equipment, Eurorack, Filters & Processing

Modor's Formant Filter is a special filter that does a kind of 'vowel morphing' between three vowels. The big central FORMANT control is responsible for that, and on the Eurorack module there's of course a CV control (with attenuation) on this parameter.

Key Features

  • FORMANT control morphs between the three vowels
  • AMOUNT control dictates the amount of CV modulation for FORMANT
  • Three LEDs above the buttons indicate which vowel is selected for editing
  • VOWEL button selects which of the 10 factory presets go into the active vowel
  • SHIFT+VOWEL saves all the actual settings to be reloaded when the modular system is powered off and on
  • 1-2-3-4 controls select the 4 frequency bands of the active vowel
  • SHIFT+1-2-3 sets the presence of the first three frequencies, SHIFT+4 sets the volume of the active vowel

You can imagine a formant filter as a set of parallel bandpass filters, picking up and amplifying a set of small frequency bands. For example, with these frequency bands around 750Hz, 1200Hz and 2800Hz, you get the sound of an 'A'. So far, nothing special. There are more formant filters around composed of a set of parallel bandpass filters.

It gets more interesting when you're able to 'morph' between different sets of those formant frequencies. Behind the central FORMANT control, there are 3 of those sets of frequencies. One at full left, one in the middle, and one fully right. So you can for example morph between A-E-O. Or U-I-E. Or AO-UI-EU. Or ...

That's what it does: morphing between different sets of formant frequencies, and that's why it sounds a lot more genuine vowelish than many other static bandpass combinators.

The center big FORMANT control does the morphing between the three vowels, the AMOUNT control sets the amount of CV modulation for this control.

The three leds above the buttons show which of the three vowels is selected for editing. That depends on the position of the FORMANT control.

The VOWEL button chooses which of the 10 factory presets go into the active vowel. SHIFT+VOWEL saves all the actual settings to be reloaded when the modular system is powered off and on.

The 1-2-3-4 controls select the 4 frequency bands of the active vowel. SHIFT+1-2-3 sets the presence of the first three frequencies, SHIFT+4 sets the volume of the active vowel.

There are 10 preset vowels, that can be selected with the VOWEL button: A-E-O-I-OE-U-EI-EU-AO-U-UI. The vowels of the Dutch language... :-)

The 1-2-3-4 controls on top give you the possibility of composing your own vowels by manually adjusting the frequency bands.

EURORACK
  • Width: 16 HP
  • Depth: 12mm
  • 140mA +12V
  • 10mA -12V
POLYPHONY
  • Or: 2-voice polyphonic
  • Or: stereo
FRONT PANEL CONTROLS
  • 6 rotary knobs
  • 3 pushbuttons
  • 9 indicator leds
CONNECTORS
  • 2 audio inputs
  • 2 CV inputs
  • 2 audio outputs

 
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