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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… 
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Papers overview

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Review
2011
Review
2011
The rapid increase of the number of mobile subscribers as well as the deployment of 3G technologies are putting strain on mobile… 
2011
2011
In its recent report entitled “The Evolving IP Marketplace,” the Federal Trade Commission (FTC) advances a far-reaching… 
2008
2008
  • 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… 
Highly Cited
2006
Highly Cited
2006
In this paper, we present a new technique for the estimation of short-term linear predictive parameters of speech and noise from… 
Review
2004
Review
2004
The description and design of the source-controlled variable-rate multimode wideband (VMR-WB) codec recently selected by the 3… 
2003
2003
  • Adam H. Li
  • Request for Comments
  • 2003
  • Corpus ID: 8154950
This document describes the RTP payload format for Enhanced Variable Rate Codec (EVRC) Speech and Selectable Mode Vocoder (SMV… 
2001
2001
During the years 1999 and 2000, the Telecommunication Industry Association (TIA) and the 3rd Generation Partnership Project 2… 
2001
2001
The migration from the first generation of cellular telephony to the second has included a transition from an analog speech… 
Highly Cited
2000
Highly Cited
2000
In this letter, we propose a novel speech enhancement technique based on global soft decision. The proposed approach provides a… 
Highly Cited
1999
Highly Cited
1999
Speech enhancement algorithms which are based on estimating the short-time spectral amplitude of the clean speech have better…