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wide band speech coding

См. также в других словарях:

  • 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

  • Advanced Audio Coding — AAC redirects here. For other uses, see AAC (disambiguation). Advanced Audio Codings iTunes standard AAC file icon Filename extension .m4a, .m4b, .m4p, .m4v, .m4r, .3gp, .mp4, .aac Internet media type audio/aac, audio/aacp, au …   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

  • Vocoder — A vocoder (  /ˈvoʊk …   Wikipedia

  • Secure voice — (alternatively secure speech or ciphony) is a term in cryptography for the encryption of voice communication over a range of communication types such as radio, telephone or IP. Contents 1 History 2 Analog Secure Voice technologies 3 Di …   Wikipedia

  • Data compression — Source coding redirects here. For the term in computer programming, see Source code. In computer science and information theory, data compression, source coding or bit rate reduction is the process of encoding information using fewer bits than… …   Wikipedia

  • AMR-WB — Infobox file format name = Adaptive Multi Rate Wide Band (AMR WB) icon = logo = caption = extension = .awb mime = audio/amr wb type code = uniform type = magic = owner = genre = Audio container for = contained by = extended from = extended to =… …   Wikipedia

  • Digital AMPS — IS 54 and IS 136 are second generation (2G) mobile phone systems, known as Digital AMPS (D AMPS). It was once prevalent throughout the Americas, particularly in the United States and Canada. D AMPS is considered end of life, and existing networks …   Wikipedia

  • Audicom — stands for: Audio en Computadora (Spanish). Released in 1989, it was the world s first PC based broadcast automation system to use audio data compression technology based on psychoacoustics.The audio card was designed with standard CMOS logic ICs …   Wikipedia

  • MPEG-1 Audio Layer II — MPEG 1 or MPEG 2 Audio Layer 2 Filename extension .mp2 Internet media type audio/mpeg,[1] audio/MPA[2] Initial release 1993 (1993 …   Wikipedia

  • Audioformat — Ein Audioformat ist ein Datenformat, das den Aufbau einer Audiodatei oder eines Audiodatenstromes beschreibt. Inhaltsverzeichnis 1 Allgemein 2 Datenreduktion oder Datenkompression 3 Liste gängiger Audioformate …   Deutsch Wikipedia

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