Media Rating Council (MRC)

The Media Rating Council (MRC) is an independent, not-for-profit organisation that provides standards and accreditation for media measurement research. The MRC was founded in 1963 by the American Association of Advertising Agencies (AAAA) and the American Advertising Federation (AAF). The MRC’s mission is to ensure that measurement services used by the media industry are valid, … Read more

Fourier synthesis

In signal processing, Fourier synthesis is the process of creating a signal from its spectral components. This is done by summing sinusoids of different frequencies, amplitudes, and phases. The frequencies of the sinusoids are typically integer multiples of a common base frequency, and their amplitudes are typically proportional to the corresponding spectral components. The phases … Read more