voice coder


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voice coder

[′vȯis ‚kō·dər]
(electronics)
Device that converts speech input into digital form prior to encipherment for secure transmission and converts the digital signals back to speech at the receiver.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
Designed to enable wireless infrastructure developers to quickly add adaptive rate GSM-AMR or EVRC voice coders to their existing and next-generation networks, the transcoders use T1/E1 connections or the industry standard H.110 telecomms bus to route calls.
This standard defines the connection protocol, voice coders, and other necessary functions that make voice calls over the Internet possible.
The PhonexChange suite supports a wide variety of narrowband and wideband voice coders, including Broadcom's high-fidelity BroadVoice(R) coder, a high quality full-duplex speakerphone algorithm, advanced jitter buffer management and packet loss concealment techniques, conferencing support, and a complete library of standard telephony algorithms required for IP phone designs.
Voice data support includes ITU G.711, G.723.1, G.729A and G.729B voice coders, G.165 and G.168 echo cancellation, voice-activity detection, comfort-noise generation, DTMF relay, jitter buffer management and playback.