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Soundtrack Pro 3 Effects Reference (en).pdf - Help Library - Apple

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Although rich, combined flanging and chorus effects are possible, the Modulation Delay<br />

is capable of producing some extreme modulation effects. These include emulations of<br />

tape speed fluctuations and metallic, robot-like modulations of incoming signals.<br />

• Feedback slider and field: Determines the amount of the effect signal that is routed back<br />

to the input. If you’re going for radical flanging effects, <strong>en</strong>ter a high Feedback value. If<br />

simple doubling is what you’re after, don’t use any feedback. Negative values invert<br />

the phase of the feedback signal, resulting in more chaotic effects.<br />

• Flanger-Chorus knob and field: Sets the basic delay time. Set to the far left position to<br />

create flanger effects, to the c<strong>en</strong>ter for chorus effects, and to the far right to hear clearly<br />

discernible delays.<br />

• De-Warble button: Ensures that the pitch of the modulated signal remains constant.<br />

• Const Mod. (Constant Modulation) button: Ensures that the modulation width remains<br />

constant, regardless of the modulation rate.<br />

Note: Wh<strong>en</strong> Const Mod is <strong>en</strong>abled, higher modulation frequ<strong>en</strong>cies reduce the<br />

modulation width.<br />

• Mod. Int<strong>en</strong>sity slider and field: Sets the modulation amount.<br />

• LFO Mix slider and fields: Determines the balance betwe<strong>en</strong> the two LFOs.<br />

• LFO 1 and LFO 2 Rate knobs and fields: The left knob sets the modulation rate for the<br />

left stereo channel, and the right knob sets the modulation rate for the right stereo<br />

channel.<br />

In surround instances, the c<strong>en</strong>ter channel is assigned the middle value of the left and<br />

right LFO Rate knobs. The other channels are assigned values betwe<strong>en</strong> the left and<br />

right LFO rates.<br />

• LFO Left Right Link button: Links the modulation rates of the left and right stereo<br />

channels. Adjustm<strong>en</strong>t of either Rate knob will affect the other channels.<br />

• LFO Phase knob and field: It controls the phase relationship betwe<strong>en</strong> individual channel<br />

modulations.<br />

• At 0°, the extreme values of the modulation are achieved simultaneously for all<br />

channels.<br />

Chapter 8 Modulation <strong>Effects</strong><br />

109

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