About: Quantization (signal processing)

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Quantization, in mathematics and digital signal processing, is the process of mapping input values from a large set (often a continuous set) to output values in a (countable) smaller set, often with a finite number of elements. Rounding and truncation are typical examples of quantization processes. Quantization is involved to some degree in nearly all digital signal processing, as the process of representing a signal in digital form ordinarily involves rounding. Quantization also forms the core of essentially all lossy compression algorithms.

Attributes	Values
rdf:type	Thing Election
rdfs:label	Quantization (signal processing) (en)
rdfs:comment	Quantization, in mathematics and digital signal processing, is the process of mapping input values from a large set (often a continuous set) to output values in a (countable) smaller set, often with a finite number of elements. Rounding and truncation are typical examples of quantization processes. Quantization is involved to some degree in nearly all digital signal processing, as the process of representing a signal in digital form ordinarily involves rounding. Quantization also forms the core of essentially all lossy compression algorithms. (en)
rdfs:seeAlso	Quantum noise
sameAs	Quantization (signal processing) Quantization (signal processing)
dbp:wikiPageUsesTemplate	dbt:Anchor dbt:Citation dbt:Cite_book dbt:Efn dbt:Notelist dbt:Refbegin dbt:Refend dbt:Reflist dbt:See_also dbt:Short_description dbt:Use_American_English dbt:No_break dbt:Compression_Methods dbt:Noise dbt:DSP
Subject	Digital audio Digital signal processing Signal processing Telecommunication theory Noise (electronics) Computer graphic artifacts
gold:hypernym	Process
prov:wasDerivedFrom	http://en.wikipedia.org/wiki/Quantization_(signal_processing)?oldid=1070006587&ns=0
Wikipage page ID	317018 (xsd:integer)
page length (characters) of wiki page	42105 (xsd:nonNegativeInteger)
Wikipage revision ID	1070006587 (xsd:integer)
has abstract	Quantization, in mathematics and digital signal processing, is the process of mapping input values from a large set (often a continuous set) to output values in a (countable) smaller set, often with a finite number of elements. Rounding and truncation are typical examples of quantization processes. Quantization is involved to some degree in nearly all digital signal processing, as the process of representing a signal in digital form ordinarily involves rounding. Quantization also forms the core of essentially all lossy compression algorithms. The difference between an input value and its quantized value (such as round-off error) is referred to as quantization error. A device or algorithmic function that performs quantization is called a quantizer. An analog-to-digital converter is an example of a quantizer. (en)
foaf:isPrimaryTopicOf	http://en.wikipedia.org/wiki/Quantization_(signal_processing)
is rdfs:seeAlso of	Ordinary least squares
is Wikipage redirect of	Signal quantization Quantisation (signal processing) Quantization (sound processing) Quantization distortion Dead-zone quantizer 8-bit sample Q-noise Quantisation error Quantisation noise Quantiser Quantization error Quantization error model Quantization noise Quantized signal Quantizer Quantizing noise Scalar quantization Adaptive Quantization
is Link from a Wikipage to another Wikipage of	FlightGear Floyd–Steinberg dithering Frame (linear algebra) Lloyd's algorithm Magnetometer Noise (electronics) Noise (signal processing) Noise shaping Numerically-controlled oscillator Nyquist–Shannon sampling theorem Adaptive Transform Acoustic Coding Adaptive predictive coding Advanced Audio Coding Analog-to-digital converter Analog recording Analog signal Analogue electronics Approximation error Au file format Audio bit depth Audio system measurements BeatBuddy Beta encoder Bin (computational geometry) Bitcrusher Bob Adams (electrical engineer) N-ary code CELT Centroidal Voronoi tessellation Generation loss Geometric hashing Glossary of computer science Glossary of electrical and electronics engineering Differential entropy Differential pulse-code modulation Digital-to-analog converter Digital Audio Tape Digital Earth Digital Earth Reference Model Digital biquad filter Digital control Digital data Digital data Digital image processing Digital imaging Digital recording

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