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B
- backing object
- In multimedia streaming, the backing object is either the DirectDraw surface for video or the IAudioData object for audio.
- bi-phase mark
- A method of encoding digital data within an analog signal. Bi-phase mark code is self-clocking (signal alternates on entry and exit) and not polarity conscious (identical values can be on top or bottom). Because it can be read over a wide range of play speeds, it is used for LTC signals. (originally known as Manchester-1 code).
- blackburst
- A video signal that can be used to synchronize multiple video sources. Blackburst contains the vertical sync, horizontal sync, and the chroma burst information, but no active picture information.
- blit
- Bit block transfer. Used to transfer all or part of a bitmap from a source such as memory or the screen, to a destination such as another memory or display surface.
- bob
- A method of displaying interlaced video fields on a progressive monitor. See field for a more detailed description. See also weave.
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