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Additive color: Additive color, or "additive mixing", is a property of a color model that predicts the appearance of colors made by coincident component lights with distinct colors, i.e. the perceived color can be predicted by summing the numeric representations of the component colors.
Additive inverse: In mathematics, the additive inverse of a number a is the number that, when added to a, yields zero. This number is also known as the opposite , sign change, and negation.
Additive white Gaussian noise: Additive white Gaussian noise is a basic noise model used in Information theory to mimic the effect of many random processes that occur in nature. The modifiers denote specific characteristics: Additive because it is added to any noise that might be intrinsic to the information system.
Additive synthesis: Additive synthesis is a sound synthesis technique that creates timbre by adding sine waves together.The timbre of musical instruments can be considered in the light of Fourier theory to consist of multiple harmonic or inharmonic partials or overtones. Each partial is a sine wave of different frequency and amplitude that swells and decays over time due to modulation from an ADSR envelope or low frequency oscillator.