Waveform Interpolation
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Aliasing — This article applies to signal processing, including computer graphics. For uses in computer programming, please refer to aliasing (computing). In statistics, signal processing, computer graphics and related disciplines, aliasing refers to an… … Wikipedia
Record restoration — Record restoration, a particular kind of audio restoration, is the process of converting the analog signal stored on gramophone records (either 78 rpm shellac, or 45 and 33⅓ rpmvinyl) into digital audio files that can then be edited with computer … Wikipedia
Numerically controlled oscillator — A numerically controlled oscillator (NCO) is a digital signal generator which creates a synchronous (i.e. clocked), discrete time, discrete valued representation of a waveform, usually sinusoidal.[1] NCOs are often used in conjunction with a… … Wikipedia
Sampling (signal processing) — Signal sampling representation. The continuous signal is represented with a green color whereas the discrete samples are in blue. In signal processing, sampling is the reduction of a continuous signal to a discrete signal. A common example is the … Wikipedia
Clipping (audio) — For shortening of voice snippets due to failures in voice activity detection, see squelch and voice activity detection. The altered peaks and troughs of the sinusoidal waveform displayed on this oscilloscope indicate the signal has been clipped.… … Wikipedia
Resampling — is the digital process of changing the sample rate or dimensions of digital imagery or audio by temporally or areally analysing and sampling the original data.AudioAudio resampling is also called sample rate conversion. This operation in digital… … Wikipedia
Direct digital synthesis — (DDS) is an electronic method for digitally creating arbitrary waveforms and frequencies from a single, fixed source frequency. OverviewA basic DDS circuit consists of an electronic controller, a random access memory, a frequency reference… … Wikipedia
Digital signal — Main article: Signal (electronics) A digital signal is a physical signal that is a representation of a sequence of discrete values (a quantified discrete time signal), for example of an arbitrary bit stream, or of a digitized (sampled and analog… … Wikipedia
Window function — For the term used in SQL statements, see Window function (SQL) In signal processing, a window function (also known as an apodization function or tapering function[1]) is a mathematical function that is zero valued outside of some chosen interval … Wikipedia
Cactus Data Shield — (CDS) is a form of CD/DVD copy protection for audio compact discs developed by Midbar Tech now owned by Macrovision. It has been used extensively by EMI and BMG and their subsidiaries, see Copy Control. CDS relies on two components: multiple… … Wikipedia
Karplus-Strong string synthesis — is a method of physical modelling synthesis that loops a short waveform through a filtered delay line to simulate the sound of a hammered or plucked string or some types of percussion.Although it is useful to view this as a subtractive synthesis… … Wikipedia
