User Manual
GLOSSARY 430
J
JPEGCompression: Thisreferstoalossycompressionalgorithmmethod.
JPEGisanabbreviationforJointPhotographic
Experts Group.
K
Kelvin: The name for a scale that measures the color of a
light source.
Key frames: A term which generally refers to events or marks within a
clip or scene.
L
Leader: A section of film at the beginning of a film roll. Leader can
be in the form of blank film, a countdown or even a clock.
Letterbox: The method of displaying the entire contents of a wide
screen image on a television monitor. This will show the
entire image within the center of the display and there will
be black borders on the top and bottom.
Lossless compression: A method of file compression which performs the
function without loosing any information.
Lossy Compression: A type of data compression that discards information in
order to complete the function.
Lousy Compression: Unwanted compression.
LTC: An abbreviation for Longitudinal Time Code.
LUT: Otherwise known as a Lookup Table. It is essentially a
conversion table. It can be used to perform a conversion
between color spaces.
M
Macro: A button or key which is programmed to carry out a task
which was normally done by pressing a series of buttons
Mask: A method of masking or isolating a region within an image
by using a source such as a Power Window.
Matte: A signal which cuts a section of the image for the purpose
of replacement with other information.
Moiré: An effect which is caused by lines within the material that
conflict with the scan lines.
Monochrome: Another term for black & white film stock.