apodization

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apodization

(ap″ŏ-dĭ-zā′shŏn)
1. Alteration of a surface by removal of its irregularities.
2. Introduction of a gradual change into a mathematical function that would otherwise be discontinuous. It is used in radiology to smooth out choppy signals, and in optics, to blend diffractive steps.
References in periodicals archive ?
Besides enabling optimum 96k upsampling, this technology features a unique apodizing filter that "masks" the unwanted digital artifacts known as "preringing," which is introduced during the content-capture and content-creation process.
One of the best features in Dolby TrueHD with advanced 96k upsampling is the apodizing filter, which makes remarkable improvement in the articulation in high-frequency attacks while simultaneously cleaning up midrange mush," said Brant Biles, President and Chief Engineer, Mi Casa Multimedia.