Reference Manual

358 Live Audio Effect Reference
The Pinch Effect section adds odd harmonics to the input signal. These distortions typically occur
180 degrees out of phase, creating a richer stereo image. The Pinch Effect has the same controls
as the Tracing Model, but generates a rather different sound.
The Drive control increases or decreases the overall distortion amount created by both the Trac-
ing Model and Pinch.
There are two distortion modes: Soft and Hard. The Soft Mode simulates the sound of a dub
plate, while Hard Mode is more like that of a standard vinyl record.
The stereo/mono switch determines whether the Pinch distortion occurs in stereo or mono. Set it
to stereo for realistic simulation of vinyl distortions.
The Crackle section adds noise to the signal, with noise density set by the Density control. The
Volume control adjusts the amount of gain applied to the noise.
22.34 Vocoder
The Vocoder Effect.
(Note: the Vocoder effect is not available in the Intro and Lite Editions.)
A vocoder is an effect that combines the frequency information of one audio signal (called the
carrier) with the amplitude contour of another audio signal (called the modulator). The modula-
tor source is generally something with a clear rhythmic character such as speech or drums, while
the carrier is typically a harmonically-rich synthesizer sound such as a string or pad. The most
familiar application of a vocoder is to create ”talking synthesizer” or robotic voice effects.