Apple Compressor 2 Manual de usuario descargar pdf (Pagina 190)

190 Chapter 14 Adding Filters to a Setting

Experiment with one of the following deinterlacing methods in the pop-up menu to

see which one works best with your footage:

Â Blur: Blends the odd and even fields together. This setting gives more importance to

temporal data and preserves motion better, but because individual frames consist of

a composite of both frames, they don’t look good when you pause playback.

Â Even: Keeps the even fields and ignores the odd fields, avoiding motion blur.

Â Odd: Keeps the odd fields and ignores the even fields, avoiding motion blur.

Â Sharp: Looks at both fields to make all edges sharper. This setting gives more

importance to spatial data.

Â Gamma Correction: Controls the overall brightness of an image as displayed on a

monitor by changing the gamma amount of the media file. This filter can be used to

remove detail from an underexposed clip or reduce an overexposed clip’s saturation

to an acceptable level without washing out the image too much. Computers using

different operating systems have different monitor settings. For cross-platform

viewing, correcting the gamma will improve the image for all platforms. Choose a

gamma setting between 0.1 and 4.0.

Â Letterbox: Scales and positions the image in the frame within horizontal letterbox bars.

Â Type: This pop-up menu allows you to choose the type of letterboxing to use.

Scale vertically compresses the video to fit within the letterbox bars. Matte crops

off the video where the letterbox bars are placed.

Â Position: This pop-up menu allows you to choose the position of the video. Center

places letterbox bars above and below the video, keeping the video centered.

Bottom positions the video at the bottom of the screen with a single letterbox bar

above it. Top positions the video at the top of the screen with a single letterbox

bar below it.

Â Output: This pop-up menu allows you to choose the specific aspect ratio to use for

the letterbox. Each setting is followed by a value that shows the ratio of the width

to the height for that setting. For example, the Academy setting shows its aspect

ratio as 1.85:1, indicating that the image’s width is 1.85 times the size of its height.

The Manual setting enables the Manual slider which you can use to manually set

the letterbox aspect ratio.

Â Manual slider: Used when Manual is selected in the Output pop-up menu. Allows

you to manually set the letterbox aspect ratio. The Manual slider has no effect

when Manual is not selected in the Output pop-up menu.

Â Background color box: Sets the letterbox color. Click this box to choose a

background color from the color picker.

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Apple Compressor 2 Manual de usuario Pagina 190