Lexicon PCM 81 - REV, User Manual, Page: 107 / 174

Lexicon
3-46
PCM 81 User Guide
Inverse
Dual Shifter
Dual-Inv
This algorithm includes a dual pitch shifter combined with the Inverse reverb.
The pitch shifter has two voices. Each voice has independent controls for pitch,
level, delay, pan, feedback and cross-feedback. The pitch of each voice is
adjustable up or down over a 3 octave range with a resolution of 1 cent.
Maximum delay time for each voice is 1.250 seconds.
Inverse reverb allows you to vary the slope of the initial portion of the reverb
envelope. The slope can decay, remain level, or rise over a variable time interval.
When the time interval is up, the reverberation cuts off abruptly. The resulting
effect is similar to a gate, but is not at all dependent on the level or complexity
of the input signal. Slopes are adjustable over a negative, even, or positive slope.
Positive slopes create inverse effects, while more even slopes create gated
effects. Negative slope values have rather natural reverb tails.