Apple Motion 5.1.1 User Manual
Page 1029
 
Chapter 23
Audio
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Smooth: Each peak of the animation curve is drawn by a single keyframe with a Bezier curve. 
A selected keyframe has a tangent handle to change the shape of the curve.
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Square: Each peak of the animation curve is drawn by four keyframes. A selected keyframe 
has no tangent handles.
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Continuous: The animation curve behaves like Smooth interpolation, but without access to 
Bezier handles, because they are calculated automatically from peak to peak.
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Attack: A slider that modifies the number of frames that the curve takes to reach its peak from 
its initial value. The animation curve shows the amount of the offset in frames between the 
first keyframe of the curve and the peak of the curve generated by the Audio behavior. This 
parameter is available only if Respond To is set to Transients.
Attack side of the curve
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Release: A slider that modifies the animation curve to the amount of the offset in frames 
between the peak of the curve generated by the Audio behavior and the last keyframe of the 
curve. The number of frames that the curve takes to reach its final value from its peak is called 
the Release. This parameter is only available if Respond To is set to Transients.
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Apply Mode: A pop-up menu that sets the method by which the audio analysis affects the 
curve. Choose Add, Subtract, Multiply, or Add and Subtract.
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Delay: A slider that sets a delay in frames to offset the resulting keyframes.
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Scale: A slider that sets the scale factor to affect the result of the audio analysis.
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Apply To: A parameter assignment pop-up menu that sets the object parameter to which the 
audio behavior is applied.
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