C-Media Multi-Sound Spezifikationen PDF herunterladen (Seite 142)

142 Chapter 8 Commands

Thumbnail Allows you to choose a thumbnail image to represent the proxy in the Media

window, inside cues and in the Stage window preview. If not specified, a

default icon will be displayed.

Dimension Specifies the size of the image. Applies to still and moving images.

Transparency Allows you to specify whether the image contains transparent areas, as well as

the form of transparency used. Normally, WATCHOUT determines this from

the information in the media file, but when using a proxy, you must specify this

manually. Setting this incorrectly may cause the image to display without trans-

parency or not at all. Applies to still and moving images.

The types of transparency supported by WATCHOUT includes:

• None. The image or video has no alpha channel.

• Straight Alpha. The transparency information affects the alpha channel of

the image only.

• Pre-multiplied with White. The transparency affects both the alpha channel

and the pixels in the image so that the pixels in fully transparent areas are

white. This is often used in material produced for printing purposes.

• Pre-multiplied with Black. The transparency affects both the alpha channel

and the pixels in the image so that the pixels in fully transparent areas are

black. This is often used in material produced for video compositing

purposes.

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C-Media Multi-Sound Spezifikationen Seite 142