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- Digital_signal_(signal_processing) abstract "In the context of Digital signal processing (DSP), a digital signal is a discrete-time signal for which not only the time but also the amplitude has discrete values; in other words, its samples take on only values from a discrete set (a countable set that can be mapped one-to-one to a subset of integers). If that discrete set is finite, the discrete values can be represented with digital words of a finite width. Most commonly, these discrete values are represented as fixed-point words (either proportional to the waveform values or companded) or floating-point words.The process of analog-to-digital conversion produces a digital signal. It can be thought of as two steps: (1) sampling, which produces a continuous-valued discrete-time signal, and (2) quantization, which replaces each sample value by an approximation selected from a given discrete set (for example by truncating or rounding). It can be shown that for signal frequencies strictly below the Nyquist limit that the original continuous-valued continuous-time signal can be almost perfectly reconstructed, down to the (often very low) limit set by the quantisation.Common practical digital signals are represented as 8-bit (256 levels), 16-bit (65,536 levels), 32-bit (4.3 billion levels). But the number of quantization levels is not limited to powers of two.".
- Digital_signal_(signal_processing) thumbnail Digital.signal.svg?width=300.
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- Digital_signal_(signal_processing) wikiPageRevisionID "683604964".
- Digital_signal_(signal_processing) wikiPageWikiLink 16-bit.
- Digital_signal_(signal_processing) wikiPageWikiLink 32-bit.
- Digital_signal_(signal_processing) wikiPageWikiLink 8-bit.
- Digital_signal_(signal_processing) wikiPageWikiLink Analog-to-digital_conversion.
- Digital_signal_(signal_processing) wikiPageWikiLink Analog-to-digital_converter.
- Digital_signal_(signal_processing) wikiPageWikiLink Category:Digital_signal_processing.
- Digital_signal_(signal_processing) wikiPageWikiLink Companded.
- Digital_signal_(signal_processing) wikiPageWikiLink Companding.
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- Digital_signal_(signal_processing) wikiPageWikiLink Digital_signal.
- Digital_signal_(signal_processing) wikiPageWikiLink Digital_signal_processing.
- Digital_signal_(signal_processing) wikiPageWikiLink Discrete-time_signal.
- Digital_signal_(signal_processing) wikiPageWikiLink Discrete_set.
- Digital_signal_(signal_processing) wikiPageWikiLink Fixed-point_arithmetic.
- Digital_signal_(signal_processing) wikiPageWikiLink Floating-point.
- Digital_signal_(signal_processing) wikiPageWikiLink Floating_point.
- Digital_signal_(signal_processing) wikiPageWikiLink Injective_function.
- Digital_signal_(signal_processing) wikiPageWikiLink Integer.
- Digital_signal_(signal_processing) wikiPageWikiLink Isolated_point.
- Digital_signal_(signal_processing) wikiPageWikiLink Linear_function.
- Digital_signal_(signal_processing) wikiPageWikiLink Nyquist_frequency.
- Digital_signal_(signal_processing) wikiPageWikiLink Nyquist_limit.
- Digital_signal_(signal_processing) wikiPageWikiLink Nyquist–Shannon_sampling_theorem.
- Digital_signal_(signal_processing) wikiPageWikiLink Power_of_two.
- Digital_signal_(signal_processing) wikiPageWikiLink Quantization_(signal_processing).
- Digital_signal_(signal_processing) wikiPageWikiLink Sampling_(signal_processing).
- Digital_signal_(signal_processing) wikiPageWikiLink Whittaker–Shannon_interpolation_formula.
- Digital_signal_(signal_processing) wikiPageWikiLink Word_(computer_architecture).
- Digital_signal_(signal_processing) wikiPageWikiLink File:Digital.signal.discret.svg.
- Digital_signal_(signal_processing) wikiPageWikiLink File:Digital.signal.svg.
- Digital_signal_(signal_processing) wikiPageWikiLink File:Discrete_cosine.svg.
- Digital_signal_(signal_processing) wikiPageWikiLink Talk:Digital_signal.
- Digital_signal_(signal_processing) wikiPageWikiLinkText "Digital signal (signal processing)".
- Digital_signal_(signal_processing) wikiPageWikiLinkText "digital signal".
- Digital_signal_(signal_processing) wikiPageWikiLinkText "digital signals".
- Digital_signal_(signal_processing) wikiPageWikiLinkText "digital".
- Digital_signal_(signal_processing) hasPhotoCollection Digital_signal_(signal_processing).
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- Digital_signal_(signal_processing) subject Category:Digital_signal_processing.
- Digital_signal_(signal_processing) hypernym Signal.
- Digital_signal_(signal_processing) type Broadcaster.
- Digital_signal_(signal_processing) comment "In the context of Digital signal processing (DSP), a digital signal is a discrete-time signal for which not only the time but also the amplitude has discrete values; in other words, its samples take on only values from a discrete set (a countable set that can be mapped one-to-one to a subset of integers). If that discrete set is finite, the discrete values can be represented with digital words of a finite width.".
- Digital_signal_(signal_processing) label "Digital signal (signal processing)".
- Digital_signal_(signal_processing) wasDerivedFrom Digital_signal_(signal_processing)?oldid=683604964.
- Digital_signal_(signal_processing) depiction Digital.signal.svg.
- Digital_signal_(signal_processing) isPrimaryTopicOf Digital_signal_(signal_processing).