Skip to search formSkip to main contentSkip to account menu

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… 
Wikipedia (opens in a new tab)

Related topics

Related topics

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

Papers overview

Semantic Scholar uses AI to extract papers important to this topic.
Review
2011
Review
2011
The Evolution of Cellular Backhaul Technologies: Current Issues and Future Trends
The rapid increase of the number of mobile subscribers as well as the deployment of 3G technologies are putting strain on mobile… 
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… 
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… 
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… 
Review
2004
Review
2004
On the architecture of the cdma2000/spl reg/ variable-rate multimode wideband (VMR-WB) speech coding standard
The description and design of the source-controlled variable-rate multimode wideband (VMR-WB) codec recently selected by the 3… 
2003
2003
RTP Payload Format for Enhanced Variable Rate Codecs (EVRC) and Selectable Mode Vocoders (SMV)
  • 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
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… 
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… 
Highly Cited
2000
Highly Cited
2000
Spectral enhancement based on global soft decision
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
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… 
By clicking accept or continuing to use the site, you agree to the terms outlined in our Privacy Policy (opens in a new tab), Terms of Service (opens in a new tab), and Dataset License (opens in a new tab)