noise equalization

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• Equalization filter — An equalization (EQ) filter is a filter, usually adjustable, chiefly meant to compensate for the unequal frequency response of some other signal processing circuit or system. An EQ filter typically allows the user to adjust one or more parameters …   Wikipedia

• Equalization — F/A/V The alteration of sound frequencies for a specific purpose, such as to remove noise frequencies or to improve speech clarity. PP The process of balancing the frequency of a sound. This could involve raising the treble and lowering the bass …   Audio and video glossary

• RIAA equalization — The RIAA equalization curve for playback of vinyl records. RIAA equalization is a specification for the correct playback of gramophone records, established by the Recording Industry Association of America (RIAA). The purpose of the equalization… …   Wikipedia

• Histogram equalization — is a method in image processing of contrast adjustment using the image s histogram.OverviewThis method usually increases the local contrast of many images, especially when the usable data of the image is represented by close contrast values.… …   Wikipedia

• Adaptive histogram equalization — is a computer image processing technique used to improve contrast in images. It differs from ordinary histogram equalization in the respect that the adaptive method computes several histograms, each corresponding to a distinct section of the… …   Wikipedia

• Blind equalization — is a digital signal processing technique in which the transmitted signal is inferred from the received signal, while making use only of the transmitted signal statistics. Hence, the use of the word blind in the name.Blind equalization is… …   Wikipedia

• White noise — is a random signal (or process) with a flat power spectral density. In other words, the signal contains equal power within a fixed bandwidth at any center frequency. White noise draws its name from white light in which the power spectral density… …   Wikipedia

• Dolby noise-reduction system — A Dolby 361 A type noise reduction module Dolby NR is the name given to a series of noise reduction systems developed by Dolby Laboratories for use in analog magnetic tape recording. The first was Dolby A, a professional broadband noise reduction …   Wikipedia

• Gramophone record — A 12 inch (30 cm) 33⅓ rpm record (left), a 7 inch 45 rpm record (right), and a CD (above) A gramophone record, commonly known as a phonograph record (in American English), vinyl record (in reference to vinyl, the material most commonly used after …   Wikipedia

• Orthogonal frequency-division multiplexing — Passband modulation v · d · e Analog modulation AM · …   Wikipedia

• Phonograph — Turntable redirects here. For other uses, see Turntable (disambiguation). Edison cylinder phonograph ca. 1899 …   Wikipedia