Resonator; Mono/Stereo Tremolo; Stereo Simulator - Alesis 2 Reference Manual

Simultaneous effects processor

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A resonator is a special filter whose response is so sharp that it actually imparts a pitch

to any signal going through it. By tuning the resonator to your instrument and

balancing their relative amplitudes you can accentuate different harmonics in a guitar

tone, for instance. This can be very useful to dramatically change the character of an

instrument's sound.

The Mono Tremolo modulates the amplitude of its input signal according to three

parameters: speed, which controls how often the sound changes amplitude; depth,

controlling how strong the tremolos will be; and shape, which controls whether the

amplitude transitions will be hard (drastic) or soft (gradual). Mono tremolo can recreate

the sound of older guitar amps.

Stereo Tremolo alternates the loudness of the signal in opposite channels according

to the same three parameters as the Mono Tremolo effect. On slow speeds with a soft

shape, stereo tremolo provides continuous automated panning. At low to moderate

depths and moderate speeds, the vibrating sound of traditional electric pianos can

easily be reproduced.

This effect is useful for "widening" a flat sound to produce a wider stereo field. It takes

a mono sound source and creates the illusion that sound is emanating in stereo from

a pair of speakers placed somewhere around the listener. By doing so, the sound

appears spatially distributed, and takes on a lively new ambiance. When placed at 0

degrees, there is virtually no effect. At 90 degrees, there is an illusion that the

speakers are on either side of the listener. At 99 degrees, the sound appears to

come from slightly behind the listener's head.

QuadraVerb 2 Reference Manual

Perceived Speaker Placement

Listener

Overview - Chapter 3

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