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・ brilliant
・ bring x to its knees
・ british broadcasting corporation
・ british library method
・ british standards institute
・ british telecom
・ british telecom research laboratories
・ brittle
・ broadband
・ broadcast
broadcast quality video
・ broadcast storm
・ broadway
・ brochureware
・ broken
・ broken arrow
・ broker
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・ brooks's law
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broadcast quality video : FOLDOC
broadcast quality video
Roughly, video with more than 30 frames per second at a resolution of 800 x 640 pixels.
The quality of moving pictures and sound is determined by the complete chain from camera to receiver. Relevant factors are the colour temperature of the lighting, the balance of the red, green and blue vision pick-up tubes to produce the correct display colour temperature (which will be different) and the gamma pre-correction to cancel the non-linear characteristic of {cathode-ray tubes} in television receivers. The resolution of the camera tube and video coding system will determine the maximum number of pixels in the picture.
Different colour coding systems have different defects. The NTSC system (National Television Systems Committee) can produce hue errors. The PAL system (Phase Alternation by Line) can produce saturation errors.
Television modulation systems are specified by ITU CCIR Report 624. Low-resolution sy


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