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Qualcomm code-excited linear prediction
Known as:
Qualcomm PureVoice
, 13k audio
, 13k vocoder
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Qualcomm code-excited linear prediction (QCELP), also known as Qualcomm PureVoice, is a speech codec developed in 1994 by Qualcomm to increase the…
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Enhanced Variable Rate Codec
FFmpeg
Vocoder
Papers overview
Semantic Scholar uses AI to extract papers important to this topic.
2005
2005
Pitch and duration modification for speech watermarking
M. Celik
,
Gaurav Sharma
,
A. Tekalp
Proceedings. (ICASSP '05). IEEE International…
2005
Corpus ID: 12980021
We propose a speech watermarking algorithm based on the modification of the pitch (fundamental frequency) and duration of the…
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2001
2001
Combined Speech and Channel Coding for Wireless Communications
Chung-hsuan Wang
,
Chi-chao Chao
Wirel. Pers. Commun.
2001
Corpus ID: 33278683
In this paper, we propose acombined variable-rate code-excited linearly predictive (QCELP)speech coding and unequal error…
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1997
1997
Design of Chip Set for CDMA Mobile Station
K. Yeon
,
H. Yoo
,
K. Kim
1997
Corpus ID: 62229524
In this paper, we present a design of modem and vocoder digital signal processor (DSP) chips for CDMA mobile station. The modem…
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1997
1997
Variable-rate CELP based on subband flatness
S. McClellan
,
J. Gibson
IEEE Trans. Speech Audio Process.
1997
Corpus ID: 206474640
Code-excited linear prediction (CELP) is the predominant methodology for communications quality speech coding below 8 kbps, and…
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1995
1995
A robust variable-rate speech coder
A. Shen
,
Benjamim Tang
,
A. Alwan
,
G. Pottie
International Conference on Acoustics, Speech…
1995
Corpus ID: 10726203
The goal of this study is to develop a robust and high-quality speech coder for wireless communication. The proposed coder is a…
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1995
1995
FIR system identification using third- and fourth-order cumulants
M. Carrión
,
D. Ruiz
,
A. Gallego
,
J. Morente
1995
Corpus ID: 13888504
A new set of equations relating the coefficients of a finite-impulse-response (FIR) system and the third- and fourth-order…
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1994
1994
A single chip QCELP vocoder for CDMA digital cellular
John G. McDonough
,
Chienchung Chang
,
Prashant Kantak
,
C. Sakamaki
,
Randeep Singh
,
Ming-Chang Tsai
Proceedings of IEEE Custom Integrated Circuits…
1994
Corpus ID: 62262733
This paper describes a full-custom ASIC implementation of the QCELP voice compression algorithm. Applications for the ASIC are…
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1994
1994
Variable bit-rate CELP coding of speech with phonetic classification
E. Paksoy
,
A. Gersho
,
K. Srinivasan
Eur. Trans. Telecommun.
1994
Corpus ID: 34872129
A variable bit-rate speech coder intended for digital cellular applications is described. A voice activity detection algorithm is…
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Highly Cited
1993
Highly Cited
1993
QCELP: A Variable Rate Speech Coder for CDMA Digital Cellular
W. Gardner
,
P. Jacobs
,
Chong U. Lee
1993
Corpus ID: 59894321
Digital cellular telephone systems require efficient encoding of speech to achieve capacity improvements required of the next…
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1993
1993
Qcelp: The North American Cdma Digital Cellular Variable Rate Speech Coding Standard
A. DeJaco
,
W. Gardner
,
P. Jacobs
,
Chong U. Lee
Proceedings., IEEE Workshop on Speech Coding for…
1993
Corpus ID: 60788552
Digital cellular telephone systems require efficient encoding of speech to achieve capacity improvements required of the next…
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