UKfilmNet | |||||
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contrast Ratio | |
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Contrast Ratio is a measurement of the difference in brightness between the whitest white and the darkest black within an image. A ratio of 300:1 means the brightest point in the image is 300 times as bright as the darkest point. A higher contrast ratio therefore means a larger difference in brightness. Contrast ratio is of interest in two situations: | |
mixer | |
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1. The person or role involved in mixing audio or video signals (the location sound mixer, or the vision mixer when applied to the role of the person responsible for mixing live video feeds during a television studio production) 2. The equipment used to mix (usually but not exclusively) audio signals from a number of sources into a single output (stereo or otherwise). This is done using channel faders. The equipment is either body worn, desk mounted or rack mounted. | |
rack | |
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a term used to describe the mounting of certain types of audio visual equipment - especially in outside broadcast vehicles and recording studios. Rack mounted equipment always conforms to a standard width of 19 inches (approximately 40 cms) hence the term 19| rack mount. The height of a standard piece of 19" rack equipment is known as 1U or one unit. This can be as high as 2m3 or 4 units depending on the equipments role. ("Half U" means rack equipment that is able to it in pairs along side each other in 1 rack unit or "U" Rack mixers are mixers designed to mount into 19" rack mounting cabinets. | |
mic | |
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mic - See Microphone | |