Ableton Live - 9.0 Manual do Utilizador descarregar pdf (Página 319)

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319 Live Audio Effect Reference

22.15 Flanger

The Flanger Effect.

(Note: the Flanger effect is not available in the Lite Edition.)

Flanger uses two parallel time-modulated delays to create ﬂanging effects.

Flanger’s delays can be adjusted with the Delay Time control. The Feedback control sends part

of the output signal back through the device input, while the Polarity switch (”+” or ”-”) sets the

polarity. Delay Time and Feedback can be changed simultaneously using the effect’s X-Y con-

troller.

Periodic control of delay time is possible using the envelope section. You can increase or de-

crease the envelope amount (or invert its shape with negative values), and then use the Attack

and Release controls to deﬁne envelope shape.

Flanger contains two LFOs to modulate delay time for the left and right stereo channels. The

LFOs have six possible waveform shapes: sine, square, triangle, sawtooth up, sawtooth down

and random. The extent of LFO inﬂuence on the delays is set with the Amount control.

LFO speed is controlled with the Rate control, which can be set in terms of hertz. Rate can also

be synced to the song tempo and set in meter subdivisions (e.g., sixteenth notes).

The Phase control lends the sound stereo movement by setting the LFOs to run at the same fre-

quency, but offsetting their waveforms relative to each other. Set this to ”180”, and the LFOs will

be perfectly out of phase (180 degrees apart), so that when one reaches its peak, the other is at

its minimum.

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