- downsampled
- v. reduce the resolution of a digital image; reduce the quality of a digital sound file by lowering the frequency of the sampling rate
English contemporary dictionary. 2014.
downsampled
Look at other dictionaries:
Downsampling — In signal processing, downsampling (or subsampling ) is the process of reducing the sampling rate of a signal. This is usually done to reduce the data rate or the size of the data. The downsampling factor (commonly denoted by M) is usually an… … Wikipedia
Nyquist–Shannon sampling theorem — Fig.1: Hypothetical spectrum of a bandlimited signal as a function of frequency The Nyquist–Shannon sampling theorem, after Harry Nyquist and Claude Shannon, is a fundamental result in the field of information theory, in particular… … Wikipedia
Anisotropic filtering — In 3D computer graphics, anisotropic filtering (abbreviated AF) is a method of enhancing the image quality of textures on surfaces that are at oblique viewing angles with respect to the camera where the projection of the texture (not the polygon… … Wikipedia
Gravis Ultrasound — or GUS is a sound card for the IBM PC compatible system platform, made by Canada based Advanced Gravis Computer Technology Ltd. It was very popular in the demo scene in the 1990s, due to its superior sound quality compared to similarly priced… … Wikipedia
Oversampling — In signal processing, oversampling is the process of sampling a signal with a sampling frequency significantly higher than twice the bandwidth or highest frequency of the signal being sampled. Oversampling helps avoid aliasing, improves… … Wikipedia
Analog-to-digital converter — An analog to digital converter (abbreviated ADC, A/D or A to D) is an electronic integrated circuit, which converts continuous signals to discrete digital numbers. The reverse operation is performed by a digital to analog converter… … Wikipedia
Windows 98 — Part of the Microsoft Windows family … Wikipedia
Killer Instinct — For the FOX television series, see Killer Instinct (TV series). For the 1988 film, see Killer Instinct (1988 film). For the 1991 film, see Killer Instinct (1991 film). For the reference to human behaviour, see Killer instinct (human behaviour).… … Wikipedia
Betacam — The early form of Betacam videocassette tapes are interchangeable with Betamax, though the recordings are not Media type … Wikipedia
Discrete wavelet transform — An example of the 2D discrete wavelet transform that is used in JPEG2000. The original image is high pass filtered, yielding the three large images, each describing local changes in brightness (details) in the original image. It is then low pass… … Wikipedia
