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Film Glossary/B

1 – 9 A B C D E F G H

B neg. See uncircled takes.

B side. Incoming shot or right side of the cut.

back porch. The TV signal located between the back end of horizontal sync and the back end of corresponding blanking.

back splice. Adding a two-sprocket splice on the reverse side of each four-sprocket splice on a picture reel.

balance. During the mix, ensuring that all the elements — dialogue, SFX, and music — blend and can be heard.

bandwidth. The rate at which digital data passes through a cable, channel, disk, drive, or network, measured in bps (bits per second) or Mbps (Megabits per second).

banner. Useful, temporary graphic that functions as a placeholder (timed or untimed) until the final material can be dropped in e.g. stock shot missing, scene missing, insert commercial here, etc.

bars and tone. Video and audio references for setting up consistent video and audio levels.

base side. Shiny side of picture or sound film that consists of a thin plastic backing.

basey. See tubby.

beep. See sync pop.

bit. Binary digit. (b) A bit defines two states or levels such as on or off, black or white, etc.

bit depth. Amount of color data in a digital image.

black burst. A composite video signal that carries no luminance or chrominance but that contains horizontal, vertical, and color synchronizing elements of a video signal. A reference signal commonly used for timing by colorists, tape operators, and online editors that generates a black screen on a monitor.

black burst generator. Electronic device that generates a reference signal – a black burst – which records as pure black on videotape and is used for timing by colorists, tape operators, and editors.

black out.When a shot cuts to black.

blanking. (noun and verb) The short period between video fields when the picture is not being scanned and its information is blanked (blacked out). The creating of the blanking in the video tape by a sync generator.

blue screen. Same as green screen except that a blue screen is used. See green screen.

BMI. Broadcast Music Incorporated. A prominent performing rights organization of which there are many, including ASCAP. See also ASCAP.

B-mode. Method in which online assembly events are numbered in non-sequential order by Source reel and then Record IN time code.

bps. Bits per second. The rate of data transfer in a communication system. Used to measure bandwidth, modem speed, and other data rates in communication lines.

B roll. Modern term for second unit footage or background, filler footage. Term originated with 16mm where it denotes the negative camera rolls are edited and slugged on two different reels – A and B rolls – by the negative cutter for printing.

B side. Incoming shot or right side of the cut.

bumper. Five second re-cap of what just happened on a television show intended to hold the viewer’s interest until after the commercial when the next segment airs.

BWF. Broadcast wave format. Latest standard PCM-type audio file format used in professional audio recording and broadcast which contains time code for smooth syncing with filmed film or video images. See also PCM.

byte. (B) A unit of data that is equals 8 bits. The amount of memory space required to store one character on a computer such as a letter or number.