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Definition of Vocoder

Babylon English

speech analyzing device that uses filters to divide the speech spectrum into separate bands (also known as a voice coder)
Vocoder Definition from Language, Idioms & Slang Dictionaries & Glossaries
hEnglish - advanced version

vocoder
hardware or software which implements a compression algorithm particular to voice.

Vocoder Definition from Government Dictionaries & Glossaries
DOD Joint Acronyms and Abbreviations
voice encoder
  
Source: U.S. Department of Defense, Joint Doctrine Division. ( About )
Vocoder Definition from Science & Technology Dictionaries & Glossaries
Telecommunication Standard Terms
Abbreviation for voice-coder. A device that usually consists of a speech analyzer, which converts analog speech waveforms into narrowband digital signals, and a speech synthesizer, which converts the digital signals into artificial speech sounds. (188 ) Note 1: For COMSEC purposes, a vocoder may be used in conjunction with a key generator and a modulator-demodulator to transmit digitally encrypted speech signals over narrowband voice communications channels. These devices are used to reduce the bandwidth requirements for transmitting digitized speech signals. Note 2: Some analog vocoders move incoming signals from one portion of the spectrum to another portion.
Vocoder Definition from Encyclopedia Dictionaries & Glossaries
English Wikipedia - The Free Encyclopedia
A vocoder (, short for voice encoder) is a category of voice codec that analyzes and synthesizes the human voice signal for audio data compression, multiplexing, voice encryption, voice transformation, etc.

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