Mod (Modulation); Modulation Types - Boss ME-90 Parameter Manual

Effects

MOD (modulation)

Adds spaciousness or an undulating character to the sound.
In manual mode or in memory edit mode, you can turn the effect on/off with the number [3]/[MOD] pedal.

Modulation types

Effect type Indicator color
1. PHASER Green
2. FLANGER Purple
3. TREMOLO Green
4. CHORUS
Light blue
5. VIBRATO
Light blue
6. PITCH SHIFT
Light blue
7. HARMONIST Light blue
8. ROTARY Light blue
9. UNI-V Light blue
10. DELAY White
11. OVERTONE Light blue
You can use the BOSS TONE STUDIO for ME-90 dedicated app to exchange the 11. OVERTONE with the following effects.
Different settings can be made for each patch.
Effect type Indicator color
SCRIPT PHASER Green
STEREO CHORUS Light blue
CE-1 CHORUS Light blue
AUTO WAH Light blue
6
Explanation
Adds an out-of-phase sound for a modulated, swelling effect.
Adds modulation that sounds like a jet airplane taking off and landing.
Gives a retro effect by cyclically changing the volume.
Chorus is an effect that creates a beautiful spaciousness and depth by adding a slightly modulated
sound. The direct sound is set to a fixed volume.
Gives a wild vibrato effect that can't be created using standard guitar playing techniques.
This effect changes the pitch of the original sound (up or down) within a range of two octaves.
Creates harmonies similar to playing twin guitar.
* Use single notes when playing with this effect. The direct sound is set to a fixed volume.
Produces a stereo effect like the sound of a rotary speaker.
Models the Uni-Vibe sound that's a must-have for 1960s rock.
Delays the sound to create an echo-like effect. You can set the delay time between 10–800 ms
(milliseconds), for use as a second delay.
This effect uses MDP technology to add new harmonics to the sound, producing resonance and
richness that was not present in the original sound.
Explanation
This models the MXR Phase 90 which was manufactured during the '70s.
This is a two-phase stereo chorus effect that adds different chorus sounds to the L and R channels.
The chorus sound of the BOSS CE-1.
This changes the filtering over a periodic cycle, providing an automatic wah effect.