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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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Papers overview

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2011
2011
In its recent report entitled “The Evolving IP Marketplace,” the Federal Trade Commission (FTC) advances a far-reaching… Expand
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2008
2008
Transcoding is required to enable interoperability between push to talk over cellular (PoC) clients with incompatible… Expand
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2006
2006
Speech coding algorithms that have been developed for clean speech are often used in a noisy environment. We describe maximum a… Expand
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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… Expand
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2004
2004
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
This document describes the RTP payload format for Enhanced Variable Rate Codec (EVRC) Speech and Selectable Mode Vocoder (SMV… Expand
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2001
2001
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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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… Expand
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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… Expand
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1999
1999
The Enhanced Variable Rate Coder (EVRC), standardized by the Telecommunications Industry Association (TIA) as IS-127, is intended… Expand
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