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Pulse Coded Modulation

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См. также в других словарях:

  • Pulse-code modulation — PCM redirects here. For other uses, see PCM (disambiguation). Pulse code modulation (PCM) is a method used to digitally represent sampled analog signals. It is the standard form for digital audio in computers and various Blu ray, Compact Disc and …   Wikipedia

  • Pulse-amplitude modulation — Principle of PAM: (1) original signal, (2) PAM signal, (a) amplitude of signal, (b) time Pulse amplitude modulation, acronym PAM, is a form of signal modulation where the message information is encoded in the amplitude of a series of signal… …   Wikipedia

  • pulse-code modulation — /puls kohd /, Telecommunications. a form of modulation that transforms a wave form, as an audio signal, into a binary signal in which information is conveyed by a coded order of pulses for transmission, storage on a disk, or processing by a… …   Useful english dictionary

  • pulse-code modulation — /puls kohd /, Telecommunications. a form of modulation that transforms a wave form, as an audio signal, into a binary signal in which information is conveyed by a coded order of pulses for transmission, storage on a disk, or processing by a… …   Universalium

  • Differential pulse-code modulation — (DPCM) is a signal encoder that uses the baseline of pulse code modulation (PCM) but adds some functionalities based on the prediction of the samples of the signal. The input can be an analog signal or a digital signal. If the input is a… …   Wikipedia

  • modulation — /moj euh lay sheuhn, mod yeuh /, n. 1. the act of modulating. 2. the state of being modulated. 3. Music. transition from one key to another. 4. Gram. a. the use of a particular distribution of stress or pitch in a construction, as the use of… …   Universalium

  • Modulation — For musical change of key, see Modulation (music). For other uses, see Modulation (disambiguation). Passband modulation v · d · e …   Wikipedia

  • Coded mark inversion — CMI line coding In telecommunication, coded mark inversion (CMI) is a non return to zero (NRZ) line code. It encodes zero bits as a half bit time of zero followed by a half bit time of one, and while one bits are encoded as a full bit time of a… …   Wikipedia

  • Quadrature amplitude modulation — (QAM) (Pronounced IPA|kwa:m) is a modulation scheme which conveys data by changing ( modulating ) the amplitude of two carrier waves. These two waves, usually sinusoids, are out of phase with each other by 90° and are thus called quadrature… …   Wikipedia

  • Super Audio CD — Type de média Disque optique Capacité jusqu à 7,5 Go Mécanisme de lecture …   Wikipédia en Français

  • Disque compact super audio — Super Audio CD Gravure de disque optique Disque optique Image disque Graveurs Logiciel de gravure Types de disques optiques Laserdisc CD / CD ROM : CD R, CD RW, CD+G, VCD, SVCD SACD DVD : DVD R …   Wikipédia en Français

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