Skip to search formSkip to main content
You are currently offline. Some features of the site may not work correctly.

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
Wikipedia

Related topics

Related topics

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

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
Is this relevant?
2008
2008
Real-Time Multi-user Transcoding for Push to Talk over Cellular
Transcoding is required to enable interoperability between push to talk over cellular (PoC) clients with incompatible… Expand
  • figure 1
  • figure 2
  • figure 3
  • figure 5
  • figure 4
Is this relevant?
2006
2006
Estimation of the short-term predictor parameters of speech under noisy conditions
Speech coding algorithms that have been developed for clean speech are often used in a noisy environment. We describe maximum a… Expand
  • table I
  • figure 1
  • table III
  • figure 2
  • table IV
Is this relevant?
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
  • figure 1
  • table I
  • table II
  • table III
  • figure 2
Is this relevant?
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
  • figure 1
  • figure 3
  • figure 2
  • figure 4
  • figure 5
Is this relevant?
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
Is this relevant?
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
  • table 1
  • table 3
  • table 4
  • table 2
  • table 5
Is this relevant?
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… Expand
  • table I
Is this relevant?
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
  • table 1
  • table 2
Is this relevant?
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
  • table 1
  • figure 1
  • figure 2
  • table 2
  • table 3
Is this relevant?
By clicking accept or continuing to use the site, you agree to the terms outlined in our Privacy Policy, Terms of Service, and Dataset License
ACCEPT & CONTINUE