Bedienungsanleitung Adobe Handleiding Adobe Audition 3.0 (Seite 50 von 294) (Englisch)

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ADOBE AUDITION 3.0

User Guide

3 Select an image file in BMP format, and click Open.

4 Select one of the following import options:

Carve/Modulate Into Selection Applies the imported image as a mask, which filters existing spectral data.

Direct Paste Into Selection Completely replaces existing spectral data with the imported image.

Overlap Paste Into Selection Addstheimportedimagetoexistingspectraldata,producingresultssimilartotheMix

Paste command. (See “Mix audio data when pasting” on page 77.)

Full Import To New Waveform Creates a new audio file from the imported image. When you click OK, this option

displays the New Waveform dialog box, where you specify sample rate, channels, and bit resolution. For more infor-

mation about these options, see “Create a new, blank audio file” on page 43.

5 In the Advanced Options section, adjust the following settings if needed, and then click OK.

Note: Some options below are available only when specific import options are selected above.

White, Black Determine the decibel values that the brightest highlights and darkest shadows correspond to. Specify

a small range to produce compressed audio or a large range to produce more dynamic audio.

Gamma Adjusts the midtone point, determining the relative amount of highlights and shadows. The standard

gamma for Windows is 2.2. If the imported image was created in Mac OS, however, specify the standard gamma for

that platform, 1.8. Or, specify more extreme gamma settings to produce experimental results.

If you set Black to a high amplitude value (such as -20 dB) and White to a low one (such as -100 dB), invert the

gamma for better results. For example, instead of 2.0, use 0.5.

Frequency Spacing Available only with the Direct Paste and Overlap Paste options above, this setting determines

how colors are distributed across the frequency spectrum. Lower values space colors more densely but require longer

processing. Higher values provide quicker processing but reduce image detail. The default setting is 100 Hz for linear

frequency display mode, or 100 Cents for logarithmic display mode. With cents, large values (50 or more) provide

more musical results, particularly in Pure Tones mode.

Pure Tones Produces spectral lines at specific frequencies that vary in amplitude based on the image data. In

logarithmic mode, harmonic results are easily achieved. In linear frequency display mode, results are very robotic

and buzzy.

Random Noise Bands Adds a random frequency to each spectral line, smoothing out the harshness of pure tones.

Solid color patches play as smoother noise, hiss, or rumble.

Track Spectral Features Achieves higher detail with fewer spectral lines. The results are less buzzy than with Pure

Tones mode, with the ability to simulate noise cleanly as well. Individual lines in the source image are translated to

individual frequency harmonics that follow the contour of the original image. Grass, whiskers, branches, and other

features with lines are reproduced as spectral lines, providing a pen-and-ink or woodblock-print effect. Subtle

patterns in the image are also preserved and audible. (By contrast, the two other modes above lose pattern detail.)

Log Amplitude or Linear Transfer Converts brightness values into audio amplitude either logarithmically (inter-

preting color data as decibels) or linearly (interpreting color data as amplitude percentages).

High Resolution AvailableonlywhenCarve/ModulateorFullImportisselectedabove,thisoptionincreasesimage

detail, requiring longer processing. High resolution is recommended if the bitmap image is an exported spectral

graph that you modified in an image-editing application such as Adobe Photoshop.

Reset Returns all settings to the defaults, which are best for importing to a new file.

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