Editing Programs: Chapter 6

to “Pitch” and the Tracking Generator’s input is an LFO using an “Up Sawtooth” as its waveform.

TIP: The Tracking Generator can be used to turn a variable control, such as the Mod Wheel or velocity, into a switch by setting all of the points to 0 except for point 10. Only near the maximum input will anything other than 0 come out of the Tracking generator. You can patch the Mod Wheel somewhere else in addition to the Tracking Generator, giving you gradual control of one function with the full range of the Mod

Wheel, while switching on a second function only at the top of the wheel.

However, the Tracking Generator interpolates between steps; this is sort of like playing “connect the dots.” In other words, the Tracking Generator does not step directly from one point to the next, but ramps from point to point.

Tracking Input

Page 1

Select the input of the Tracking Generator from the following sources:

Note Number

Velocity

Release Velocity

Aftertouch

Poly Pressure

Mod Wheel

Pitch Wheel

MIDI Volume

Sustain Pedal

Pedal 1

Pedal 2

Pitch LFO

Filter LFO

Amp LFO

Pitch Envelope

Filter Envelope

Amp Envelope

Random

Trig Rate

Controllers A–D

For detailed descriptions of each of these sources, see the section “Modulation Source” in the Mod section on pages 73–75.

Tracking Points 0 – 10 (00–100)

Pages 2–12

The remaining pages of the TRACK function control the levels of points 0–10.

QS7/QS8 Reference Manual

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Image 83
Alesis QS8, QS7 manual Tracking Input, Tracking Points 0 10