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N

• N-curve: See Academy Curve.
• Negative Gain Screen: Material that reflects less light than a reference material. Often used for DLP and LCD projection systems.
• Noise: An unwanted portion of a signal such as hiss, hum, whine, static, or buzzing.
• NTSC: National Television Standards Committee. Government-directed committee that established the U.S. color TV standard in 1953. Also known, sarcastically, as Never Twice the Same Color or Never The Same Color due to the inherent difficulty in achieving proper color calibration.