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The A-roll and B-roll scenes, shot at 24 frames per second, were converted to the television frame rate of 30 fps using a telecine system consisting of two film projectors, one showing the main A-roll footage and the other showing the B-roll. The sound from the A-roll footage was used, or sound from narration or voiceover, while MOS images from ...
Use of NASA logos, insignia and emblems is restricted per U.S. law 14 CFR 1221.; The NASA website hosts a large number of images from the Soviet/Russian space agency, and other non-American space agencies.
B-roll, the supplemental or alternate footage intercut with the main shot in an interview or documentary David Broll , Canadian ice hockey player Topics referred to by the same term
The difference between A-roll and B-roll isn't clear from the diagram. It maybe would work better if the durations of the shots were different, or if the frames used images that would be understood as primary footage and a cutaway. How these strips relate to each other or the final print isn't explained.
The origin of the term "footage" comes from early 35 mm silent film, which is traditionally measured in feet and frames.The fact that film was measured by length in cutting rooms, and that there are 16 frames (4-perf film format) in a foot of 35 mm film (518.4 frames/meter), which roughly represented 1 second of screen time in some early silent films, made footage a natural unit of measure for ...
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Roll (gymnastics), a fundamental skill in gymnastics; Roll, a British obsolete unit of measurement for butter and cheese; Coin wrapper or roll, a container for a number of coins; Scroll, or roll, a rolled-up piece of parchment or paper; Roll (finance), process of switching to a contract with a later expiry date
A drum roll (or roll for short) is a technique used by percussionists to produce a sustained sound for the duration of a written note. [2]All drum figures are based upon three fundamental beats, technically called roll, single stroke, and flam...Sustentation is accomplished upon wind instruments by blowing into the instrument; it is accomplished upon the violin and the allied instruments by ...