Adobe After Effects CS4 Manual de usuario descargar pdf (Pagina 495)

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USING AFTER EFFECTS CS4

Effects and animation presets

Last updated 12/21/2009

Use Polar Path The path starts from a single point and appears as a radial graph.

Start Frequency, End Frequency The lowest and highest frequencies, in hertz, to display.

Frequency Bands The number of frequency bands into which to divide displayed frequencies.

Maximum Height Maximum height, in pixels, of a displayed frequency.

Audio Duration Duration of audio, in milliseconds, used to calculate the spectrum.

Audio Offset Time offset in milliseconds used to retrieve the audio.

Thickness Thickness of the bands.

Softness How feathered or blurry the bands appear.

Inside Color, Outside Color Inside and outside colors of the bands.

Blend Overlapping Colors Specifies that overlapping spectrums are blended.

Hue Interpolation If the value is greater than 0, the frequencies displayed rotate through the hue color space.

Dynamic Hue Phase If selected, and the Hue Interpolation is greater than 0, the Start color shifts to the maximum

frequency in the range of displayed frequencies. This setting allows the hue to follow the fundamental frequency of the

spectrum displayed as it changes.

Color Symmetry If selected, and the Hue Interpolation is greater than 0, the start and end colors are the same. This

setting allows color continuity on closed paths.

Display Options Specifies whether to display frequency as Digital, Analog Lines, or Analog Dots.

Side Options Specifies whether to display the spectrum above the path (Side A), below the path (Side B), or both (Side

A & B).

Duration Averaging Specifies that audio frequencies are averaged to reduce randomness.

Composite On Original If selected, displays the original layer with the effect.

Audio Waveform effect

Apply the Audio Waveform effect to a video layer to display the audio waveform of a layer that contains audio (and

optionally video). You can display the audio waveform in several different ways, including along an open or closed

mask path.

Note: Audio Waveform uses the audio source footage without time-remapping, effects, stretch, or levels. To display the

spectrum with such effects, precompose the audio layer before applying the Audio Waveform effect.

To prevent masks on the layer from clipping the output of the Audio Waveform effect, set their mask modes to None.

(See “Mask modes” on page 377.)

This effect works with 8-bpc, 16-bpc, and 32-bpc color.

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