Apple MA261Z/A User Manual - Page 1082

color correction, color depth, colorist, component video, compositing, compression, contrast, coverage

Page 1082 highlights

color correction A process in which the color of clips used in an edited program is evened out so that all shots in a given scene match. Color correction is generally one of the last steps in finishing an edited program. The color correction tools in Final Cut Express HD give you precise control over the look of every clip in your project by adjusting the color balance, black levels, mids, and white levels of individual clips. color depth The possible range of colors that can be used in a movie or image. There are generally four choices with computer graphics- 8-bit (grayscale), 16-bit, and 24-bit (millions of colors). Higher color depths provide a wider range of colors but require more space for a given image size. Broadcast video is generally 24-bit, with 8 bits of color information per channel. See also channels. colorist A professional who performs color correction. The colorist, in consultation with the cinematographer, director, or producer, works shot by shot to determine the look of each clip according to the needs of the project. component video A type of analog video signal in which the luma and chroma signals are recorded separately for better video quality. Professional video equipment, such as a Betacam SP deck, uses component Y´CRCB (also called component YUV) video inputs and outputs. Another form of component video, component RGB, is not as widespread on video gear as component Y´CBCR. composite video An analog video signal that combines all chroma and luma information into a single waveform running through a single cable. This can result in analog "artifacts," affecting the quality of the video signal. Nearly all video equipment has composite inputs and outputs. compositing A process in which two or more images are combined into a single frame. This term can also describe the process of creating various video effects. compression The process by which video, graphics, and audio files are reduced in size. "Lossy" compression refers to a process of reducing video file sizes through the removal of redundant or less noticeable image data. Lossless compression reduces file sizes by mathematically consolidating redundant image data without discarding it. See also codec. contrast The difference between the lightest and darkest values in an image. High-contrast images have a large range of values from the darkest shadow to the lightest highlight. Low-contrast images have a more narrow range of values, resulting in a "flatter" look. coverage A series of medium shots and close-ups, taken after the master shot, all of which cover the same material in the script. Used when shooting a scene with continuity. These shots are called coverage because they're often used to cover different edits made in the scene. 1082 Glossary

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1082
Glossary
color correction
A process in which the color of clips used in an edited program is
evened out so that all shots in a given scene match. Color correction is generally one of
the last steps in finishing an edited program. The color correction tools in
Final Cut Express HD give you precise control over the look of every clip in your project
by adjusting the color balance, black levels, mids, and white levels of individual clips.
color depth
The possible range of colors that can be used in a movie or image. There
are generally four choices with computer graphics— 8-bit (grayscale), 16-bit, and 24-bit
(millions of colors). Higher color depths provide a wider range of colors but require
more space for a given image size. Broadcast video is generally 24-bit, with 8 bits of
color information per channel. See also
channels
.
colorist
A professional who performs color correction. The colorist, in consultation with
the cinematographer, director, or producer, works shot by shot to determine the look of
each clip according to the needs of the project.
component video
A type of analog video signal in which the luma and chroma signals
are recorded separately for better video quality. Professional video equipment, such as
a Betacam SP deck, uses component Y´C
R
C
B
(also called component YUV) video inputs
and outputs. Another form of component video, component RGB, is not as widespread
on video gear as component Y´C
B
C
R
.
composite video
An analog video signal that combines all chroma and luma
information into a single waveform running through a single cable. This can result in
analog “artifacts,” affecting the quality of the video signal. Nearly all video equipment
has composite inputs and outputs.
compositing
A process in which two or more images are combined into a single
frame. This term can also describe the process of creating various video effects.
compression
The process by which video, graphics, and audio files are reduced in size.
“Lossy” compression refers to a process of reducing video file sizes through the removal
of redundant or less noticeable image data. Lossless compression reduces file sizes by
mathematically consolidating redundant image data without discarding it. See also
codec
.
contrast
The difference between the lightest and darkest values in an image.
High-contrast images have a large range of values from the darkest shadow to the
lightest highlight. Low-contrast images have a more narrow range of values, resulting
in a “flatter” look.
coverage
A series of medium shots and close-ups, taken after the master shot, all of
which cover the same material in the script. Used when shooting a scene with
continuity. These shots are called coverage because they’re often used to cover
different edits made in the scene.