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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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5 relations
Enhanced Variable Rate Codec B
FFmpeg
Qualcomm code-excited linear prediction
Selectable Mode Vocoder
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Papers overview
Semantic Scholar uses AI to extract papers important to this topic.
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…
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2008
2008
Performance modeling and evaluation of data/voice services in wireless networks
Jae-Hyun Kim
,
Hyun-Jin Lee
,
Sung-Min Oh
,
Sunghyun Cho
Wirel. Networks
2008
Corpus ID: 27423280
Application-level performance is a key to the adoption and success of the CDMA 2000. To predict this performance in advance, a…
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2008
2008
Robust Detection of Underwater Transient Signals Using EVRC Noise Suppression Module
Taehwan Kim
,
Keun-Sung Bae
IEICE Transactions on Fundamentals of Electronics…
2008
Corpus ID: 46634861
Detection of transient signals is generally done by examining power and spectral variation of the received signal, but it becomes…
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2007
2007
Noise Reduction for VoIP Speech Codecs Using Modified Wiener Filter
S. Han
,
Sangbae Jeong
,
Heesik Yang
,
Jinsul Kim
,
Won Ryu
,
Minsoo Hahn
2007
Corpus ID: 60419700
Noise reduction is essential to achieve an acceptable QoS in VoIP systems. This paper proposes a Wiener filter-based noise…
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2005
2005
Single-Microphone Noise Suppression for 3G Handsets Based on Weighted Noise Estimation
A. Sugiyama
,
Masanori Kato
,
M. Serizawa
2005
Corpus ID: 59884965
A noise suppression algorithm with high speech quality based on weighted noise estimation is presented. This algorithm…
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2004
2004
End-to-end user perceived application performance in 3G+ networks
Jae-Hyun Kim
,
Chaewoo Lee
IEEE International Conference on Communications
2004
Corpus ID: 8000352
We address application-level performance issues in terms of wireless technologies evolution from 3G-1X RTT to 3G-1X EV and…
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Review
2004
Review
2004
On the architecture of the cdma2000/spl reg/ variable-rate multimode wideband (VMR-WB) speech coding standard
M. Jelinek
,
R. Salami
,
S. Ahmadi
,
B. Bessette
,
P. Gournay
,
C. Laflamme
IEEE International Conference on Acoustics…
2004
Corpus ID: 11342956
The description and design of the source-controlled variable-rate multimode wideband (VMR-WB) codec recently selected by the 3…
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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…
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2001
2001
Standardization of the selectable mode vocoder
S. C. Greer
,
A. DeJaco
IEEE International Conference on Acoustics…
2001
Corpus ID: 13453842
The migration from the first generation of cellular telephony to the second has included a transition from an analog speech…
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1998
1998
Robust speech mode based LSF vector quantization for low bit rate coders
S. Nandkumar
,
K. Swaminathan
,
U. Bhaskar
Proceedings of the IEEE International Conference…
1998
Corpus ID: 15640788
Robust vector quantization of LSF parameters at a low bit rate is essential for voice coders operating below 5 Kbps. A novel…
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