Ableton Live - 5.0 Manual de Instruções descarregar pdf (Página 260)

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18.14. PHASER 258

18.14 Phaser

The Phaser Effect.

Phaser uses a series of all-pass lters to create a phase shift in the frequency spectrum of a

sound.

The Poles control creates notches in the frequency spectrum. The Feedback control can

then be used to invert the waveform and convert these notches into peaks (or poles). Filter

cutoff frequency is changed with the Frequency control, which can be adjusted in tandem

with Feedback using the effect's X-Y controller.

The device has two modes, Space and Earth, for changing the spacing of notches along the

spectrum, and hence the color of the sound. This effect can be further adjusted with the

Color control.

Periodic control of the lter frequency is possible using the envelope section. You can

increase or decrease the envelope amount (or invert its shape with negative values), and

then use the Attack and Release controls to dene envelope shape.

Phaser contains two LFOs to modulate lter frequency for the left and right stereo channels.

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

down and random. The extent of LFO inuence on the lter frequency is set with the

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