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effective coding

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  • Coding gain — In coding theory and related engineering problems, coding gain is the measure in the difference between the signal to noise ratio (SNR) levels between the uncoded system and coded system required to reach the same bit error rate (BER) levels when …   Wikipedia

  • Coding theory — is the study of the properties of codes and their fitness for a specific application. Codes are used for data compression, cryptography, error correction and more recently also for network coding. Codes are studied by various scientific… …   Wikipedia

  • Huffman coding — Huffman tree generated from the exact frequencies of the text this is an example of a huffman tree . The frequencies and codes of each character are below. Encoding the sentence with this code requires 135 bits, as opposed of 288 bits if 36… …   Wikipedia

  • Distributed source coding — (DSC) is an important problem in information theory and communication. DSC problems regard the compression of multiple correlated information sources that do not communicate with each other.[1] By modeling the correlation between multiple sources …   Wikipedia

  • Physical Coding Sublayer — The Physical Coding Sublayer (PCS) further helps to define physical layer specifications for Fast Ethernet, Gigabit Ethernet and 10 Gigabit Ethernet.The Ethernet PCS sublayer is part of the Ethernet PHY layer. The hierarchy is as follows:* Data… …   Wikipedia

  • Speech coding — is the application of data compression of digital audio signals containing speech. Speech coding uses speech specific parameter estimation using audio signal processing techniques to model the speech signal, combined with generic data compression …   Wikipedia

  • Shannon–Fano coding — In the field of data compression, Shannon Fano coding is a suboptimal technique for constructing a prefix code based on a set of symbols and their probabilities (estimated or measured). The technique was proposed prior to the optimal technique of …   Wikipedia

  • CDR coding — In computer science CDR coding is a compressed data representation for Lisp linked lists. It was developed and patented by the MIT Artificial Intelligence Laboratory, and implemented in computer hardware in a number of Lisp machines derived from… …   Wikipedia

  • QCELP — Infobox file format name = Qualcomm PureVoice icon = logo = extension = .qcp mime = audio/qcelp type code = uniform type = magic = owner = Qualcomm genre = container for = contained by = extended from = extended to = standard = QCELP (Qualcomm… …   Wikipedia

  • CertifiedColorStandards — Effective color communication is essential to the of textile industry. The ability to create, produce and reproduce the exact color cannot rely solely on a visual comparison. A color’s appearance is based on three elements, hue, chroma and value …   Wikipedia

  • MPEG-1 — Moving Picture Experts Group Phase 1 (MPEG 1) Filename extension .mpg, .mpeg, .mp1, .mp2, .mp3, .m1v, .m1a, .m2a, .mpa, .mpv Internet media type audio/mpeg, video/mpeg Developed by ISO, IEC Type of format audio, vid …   Wikipedia

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