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Enhanced Variable Rate Codec

Known as: EVRC, IS-127 
Enhanced Variable Rate CODEC (EVRC) is a speech codec used in CDMA networks. It was developed in 1995 to replace the QCELP vocoder which used more… Expand
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Related topics

Related topics

5 relations
Enhanced Variable Rate Codec BFFmpegQualcomm code-excited linear predictionSelectable Mode Vocoder
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Papers overview

Semantic Scholar uses AI to extract papers important to this topic.
2011
2011
The FTC’s Proposal for Regulationg IP through SSOs Would Replace Private Coordination with Government Holdups
In its recent report entitled “The Evolving IP Marketplace,” the Federal Trade Commission (FTC) advances a far-reaching… Expand
2008
2008
Real-Time Multi-user Transcoding for Push to Talk over Cellular
  • S. Coulombe
  • The Second International Conference on Next…
  • 2008
    • Corpus ID: 39024242
Transcoding is required to enable interoperability between push to talk over cellular (PoC) clients with incompatible… Expand
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Highly Cited
2006
Highly Cited
2006
Codebook driven short-term predictor parameter estimation for speech enhancement
In this paper, we present a new technique for the estimation of short-term linear predictive parameters of speech and noise from… Expand
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2004
2004
Noise reduction method for wideband speech coding
We present a new low complexity noise reduction (NR) method based on spectral subtraction and overlap-add analysis/synthesis. A… Expand
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2003
2003
RTP Payload Format for Enhanced Variable Rate Codecs (EVRC) and Selectable Mode Vocoders (SMV)
This document describes the RTP payload format for Enhanced Variable Rate Codec (EVRC) Speech and Selectable Mode Vocoder (SMV… Expand
2003
2003
Speech in the VQE device environment
  • Irina Cotanis
  • IEEE Wireless Communications and Networking…
  • 2003
    • Corpus ID: 4434484
The speech quality over the converged voice and data networks represents a challenge for the network developers and operators… Expand
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2001
2001
The SMV algorithm selected by TIA and 3GPP2 for CDMA applications
During the years 1999 and 2000, the Telecommunication Industry Association (TIA) and the 3rd Generation Partnership Project 2… Expand
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2001
2001
Standardization of the selectable mode vocoder
The migration from the first generation of cellular telephony to the second has included a transition from an analog speech… Expand
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1999
1999
The Enhanced Variable Rate Coder: Toll quality speech for CDMA
The Enhanced Variable Rate Coder (EVRC), standardized by the Telecommunications Industry Association (TIA) as IS-127, is intended… Expand
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Highly Cited
1999
Highly Cited
1999
Tracking speech-presence uncertainty to improve speech enhancement in non-stationary noise environments
Speech enhancement algorithms which are based on estimating the short-time spectral amplitude of the clean speech have better… Expand
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