- speech bandwidth compression
- сжатие спектра голосового сигнала, сжатие спектра речевого сигнала
The New English-Russian Dictionary of Radio-electronics. F.V Lisovsky . 2005.
The New English-Russian Dictionary of Radio-electronics. F.V Lisovsky . 2005.
Compression — may refer to: In physical science Compression (physical), the result of the subjection of a material to compressive stress Compression member, a class of structural elements, of which a column is the most common specific example Compressibility,… … Wikipedia
Bandwidth extension — of signal is defined as the deliberate process of expanding the frequency range (bandwidth) of a signal in which it contains an appreciable and useful content, and/or the frequency range in which its effects are such. Its significant advancement… … 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
Audio compression (data) — For processes which reduce the amount of time it takes to listen to and understand a recording, see time compressed speech. Audio compression is a form of data compression designed to reduce the size of audio files. Audio compression algorithms… … 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
Dynamic range compression — This article is about a process that intentionally reduces the dynamic range of audio signals. For similar reductions caused by circuit imperfections, see Gain compression. For processes that reduce the size of digital audio files, see Audio… … Wikipedia
Adaptive multi-rate compression — Infobox file format name = Adaptive Multi Rate Narrow Band (AMR NB) icon = logo = caption = extension = .amr mime = audio/amr type code = uniform type = magic = owner = genre = Audio container for = contained by = extended from = extended to =… … Wikipedia
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SIGSALY — exhibit at the National Cryptologic Museum In cryptography, SIGSALY (also known as the X System, Project X, Ciphony I, and the Green Hornet) was a secure speech system used in World War II for the highest level Allied communications. It pioneered … Wikipedia
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