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检索条件"主题词=linear predictive coding"
2458 条 记 录,以下是2401-2410 订阅
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ARMA lattice modeling for isolated word speech recognition
ARMA lattice modeling for isolated word speech recognition
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Midwest Symposium on Circuits and Systems (MWSCAS)
作者: H.K. Kwan T.X. Li Electrical and Computer Engineering Faculty of Engineering University of Windsor Windsor ONT Canada
In this paper, we introduce an auto-regressive moving average (ARMA) lattice model for speech modeling. The speech characteristics are modeled and expressed in the form of lattice reflection coefficients for classific... 详细信息
来源: 评论
Calculation of LPC-based cepstrum coefficients using mel-scale frequency warping
Calculation of LPC-based cepstrum coefficients using mel-sca...
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Southern African Conference on Communications and Signal Processing (COMSIG)
作者: C.J. van der Merwe J.A. du Preez Dept. of Electr. & Electron. Eng. Stellenbosch Univ. South Africa Department of Electrical and Electronic Engineering University of Stellenbosch Stellenbosch South Africa
This paper describes a method for warping the frequency axis of cepstrum coefficients in a way analogous to the preprocessing performed by the human ear. The equations are derived and historical background relating to... 详细信息
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1.2 kbit/s harmonic coder using auditory filters
1.2 kbit/s harmonic coder using auditory filters
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International Conference on Acoustics, Speech, and Signal Processing (ICASSP)
作者: M. Kohata Chiba Institute of Technology Narashino Japan
In this paper, a very low bit speech coder at 1.2 kbps is newly proposed. Like the LPC vocoder, it only requires gain, pitch, and spectral information, but its quality is far superior. The synthesis method is one of h... 详细信息
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An endpoint detector for LPC speech using residual error look-ahead for vector quantization applications
An endpoint detector for LPC speech using residual error loo...
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International Conference on Acoustics, Speech, and Signal Processing (ICASSP)
作者: Chieh Tsao R. Gray Information Systems Laboratory Electrical Engineering Department University of Stanford CA USA
An end-point detector for LPC speech using squared prediction error look-ahead and automatic/manual threshold determination is described. The detector is algorithmically simple, computationally efficient,and uses only... 详细信息
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On the role of the partial trigonometric moment problem in AR speech modelling
On the role of the partial trigonometric moment problem in A...
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International Conference on Acoustics, Speech, and Signal Processing (ICASSP)
作者: P. Delsarte Y. Genin Y. Kamp P. Van Dooren Philips Research National Laboratory Brussels Belgium
The partial trigonometric moment problem is shown to provide a unifying framework for several speech modelling techniques, such as the classical LPC antoregressive model, the line spectral pairs and composite sinusoid... 详细信息
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All-pole speech modeling with a maximally pulse-like residual
All-pole speech modeling with a maximally pulse-like residua...
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International Conference on Acoustics, Speech, and Signal Processing (ICASSP)
作者: R. Rose M. Clements School of Electrical Engineering Georgia Institute of Technology Atlanta GA USA
Multiple pulse excited linear predictive coding (MPLPC) has recently received a great deal of attention in the literature as an attractive means of speech coding at data rates below 10 Kbits/second. The existing appro... 详细信息
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On the effectiveness of parameter reoptimization in multipulse based coders
On the effectiveness of parameter reoptimization in multipul...
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International Conference on Acoustics, Speech, and Signal Processing (ICASSP)
作者: M. Fratti G.A. Mian G. Riccardi Telettra-Alcatel Milan Italy Dipartimento di Eletttronica e Informatica Padova Italy Cefriel Milan Italy
An algorithm for LPC (linear predictive coding) parameter optimization in multipulse (MP)-LPC based speech coders is presented. It is shown that, by taking into account the nature of the MP-excitation signal into LPC ... 详细信息
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Vector Quantization of Principal Spectral Components for Speech coding at 4800 BPS
Vector Quantization of Principal Spectral Components for Spe...
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Asilomar Conference on Signals, Systems & Computers
作者: P.C. Loizou A.S. Spanias Telecommunications Research Center Department of Electrical Engineering Arizona State University Tempe AZ USA
来源: 评论
A low delay sub-band audio coder (20 Hz-15 kHz) at 64 kbit/s
A low delay sub-band audio coder (20 Hz-15 kHz) at 64 kbit/s
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IEEE-SP International Symposium on Time-Frequency and Time-Scale Analysis
作者: K. Hay L. Mainard S. Saoudi ENST-Br Department SC. Technopôle Brest-Iroise Brest France CCETT Servive RCS/SDA France
a new method for coding generic audio signals at 64 kbit/s in the bandwidth 20-15000 Hz with a low delay is presented. It combines sub-band coding, low delay CELP algorithm and cascaded filterbanks. We show how the di... 详细信息
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CORRECTION
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IEEE TRANSACTIONS ON ACOUSTICS SPEECH AND SIGNAL PROCESSING 1987年 第2期35卷 228-228页
作者: JURY, EI University of Miami Coral Gables FL
来源: 评论