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Enhanced Variable Rate Codec B

Known as: EVRC-B 
Enhanced Variable Rate Codec B (EVRC-B) is a speech codec used by CDMA networks. EVRC-B is an enhancement to EVRC and compresses each 20 milliseconds… 
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Enhanced Variable Rate Codec

Papers overview

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2010
2010
Comparison of CDMA and OFDMA Reverse Link for Cellular Voice Communications
This paper presents a comparison between CDMA and OFDMA for reverse link (RL) cellular voice communications. The spectral… 
2010
2010
Modemsignalisierung unter Verwendung eines Mehrtonpräfix über einem Sprachkanal eines drahtlosen Kommunikationssystems
Es werden ein System und ein Verfahren zum Ubermitteln von Daten zwischen einem Fahrzeug und einem Call Center uber einen… 
2009
2009
An efficient LSF quantization using dynamic bit allocation
The current paper is concerned with an effective method to quantize a spectrum envelope of a speech signal without having an… 
2009
2009
cdma2000 1x Rev. E Forward Link Voice Capacity
The forward link capacity of a cdma2000 lx system is power limited. Therefore, average data rate (ADR), link efficiency, and… 
2008
2008
RTP Payload Format for the Enhanced Variable Rate Wideband Codec (EVRC-WB) and the Media Subtype Updates for EVRC-B Codec
This document specifies real-time transport protocol (RTP) payload formats to be used for the EVRC wideband codec (EVRC-WB) and… 
2007
2007
Enhancements to RTP Payload Formats for EVRC Family Codecs
This document updates the Enhanced Variable Rate Codec (EVRC) RTP payload formats defined in RFC 3558 with several enhancements… 
2007
2007
EVRC-Wideband: The New 3GPP2 Wideband Vocoder Standard
In this paper, the latest wideband vocoder standard adopted by the cdma2000 standardization body, 3GPP2, is described. Christened… 
2006
2006
RTP payload format for EVRC-WB codec and MIME updates for EVRC-B codec
This document specifies real-time transport protocol (RTP) payload formats to be used for the EVRC wideband codec (EVRC-WB) and… 
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