- markers
Indicators that can be placed on a clip or globally in a project to help you find a specific location while you edit. Can be used to sync action between two clips, identify beats of music, mark a reference word from a narrator, and so on.
- marquee
The black-and-white animated dashed lines that highlight a selection.
- mask
An image, clip, or shape used to define areas of transparency in another clip. Acts like an external alpha channel. A mask is an application of a matte.
- master shot
A single, long shot of dramatic action from which shorter cuts, such as close-ups, and medium shots are taken in order to fill out the story.
- matte
An effect that uses information in one layer of video to affect another layer. Mattes are useful when you want to use one clip to selectively hide or reveal part of anotherfor example, to reveal parts of a video layer with a round spotlight shape. Matte filters can be used by themselves to mask out areas of a clip, or to create alpha channel information for a clip in order to make a transparent border around the clip that can be composited against other layers. - See also [alpha channel]
- media file
A generic term for elements such as movies, sounds, and pictures.
- midtones
The middle brightness range of an image. Not the brightest part nor the darkest part.
- mini-Timeline
The small timeline at the base of the Canvas that solos the timing events for the selected object, filter, mask, or behavior.
- MiniDV cassette
A small cassette used for the DV digital videotape format.
- mono audio
A type of sound in which audio channels are taken from a tape and mixed together into a single track, using equal amounts of audio channels 1 and 2.
- motion blur
An effect that blurs any clip with keyframed motion applied to it, similar to blurred motion recorded by a camera.
- motion path
A path that appears in the Canvas showing the path a clip will travel based on keyframe points that are applied to the clip.
- MPEG
(Moving Picture Experts Group) A group of compression standards for video and audio, which includes MPEG-1, MPEG-2, and MPEG-4.
- MPEG-4
A global multimedia standard based on the QuickTime file format, delivering scalable, high-quality audio and video streams over a wide range of bandwidths, ranging from cell phone to broadband, that also supports 3D objects, sprites, text, and other media types.
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