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检索条件"主题词=linear predictive coding"
2458 条 记 录,以下是2381-2390 订阅
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Objective speech quality evaluation of narrowband LPC vocoders
Objective speech quality evaluation of narrowband LPC vocode...
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International Conference on Acoustics, Speech, and Signal Processing (ICASSP)
作者: R. Viswanathan W. Russell J. Makhoul Bolt Beranek and Newman Inc. Cambridge Mass. Bolt Beranek and Newman 슠Inc. Cambridge MA USA
Several methods are presented for the objective speech quality evaluation of narrowband LPC vocoders, based on a framework that we proposed at the 1976 ICASSP conference. In each method, the error in short-term spectr... 详细信息
来源: 评论
Towards a variable frame rate speech transmission system with frame selection by time-domain segmentation - a status report
Towards a variable frame rate speech transmission system wit...
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International Conference on Acoustics, Speech, and Signal Processing (ICASSP)
作者: W. Hess J. Heiler Lehrstuhl für Datenverarbeitung Technische Universität München Munich Germany
The results of a time domain segmentation algorithm are applied to a variable frame rate (VFR) transmission system. Three speech signal parameters (short-term absolute average of the speech signal, absolute average of... 详细信息
来源: 评论
linear prediction techniques in the Walsh spectral domain for speech analysis and synthesis
Linear prediction techniques in the Walsh spectral domain fo...
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International Conference on Acoustics, Speech, and Signal Processing (ICASSP)
作者: M. Ashouri A. Constantinides Department of Electrical Engineering Imperial College of Science and Technology London UK
A method for LPC analysis in a transformed domain (LPCTD) has been developed theoretically and studied experimentally in the Walsh-Hadamard domain (LPCWHD) for low-bit- rate coding of speech signals . Speech signals i... 详细信息
来源: 评论
An error formula for iterative prefiltering frequency estimates
An error formula for iterative prefiltering frequency estima...
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International Conference on Acoustics, Speech, and Signal Processing (ICASSP)
作者: F. Landolf Department of Defense Washington D.C. DC USA
来源: 评论
Speech generation through waveform synthesis
Speech generation through waveform synthesis
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International Conference on Acoustics, Speech, and Signal Processing (ICASSP)
作者: M. Baumwolspiner Bell Telephone Laboratories Holmdel New Jersey
This paper presents a time domain technique for the generation of speech which offers significant advantages over current formant synthesis and linear predictive coder (LPC) techniques. A set of basis functions in con... 详细信息
来源: 评论
Providing channel error protection for a 2400 bps linear predictive coded voice system
Providing channel error protection for a 2400 bps linear pre...
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International Conference on Acoustics, Speech, and Signal Processing (ICASSP)
作者: J. Fussell B. Abzug P. Boudra M. Cowing Fort George G. Meade Maryland
The U.S. Government has developed a real-time 2400 bps linear predictive Coded (LPC) voice algorithm which was designed to provide maximum intelligibility and quality within the time and accuracy limitations imposed b... 详细信息
来源: 评论
Evaluation of LPC/CVSD tandem connections
Evaluation of LPC/CVSD tandem connections
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International Conference on Acoustics, Speech, and Signal Processing (ICASSP)
作者: T. Barnwell R. Schafer A. Bush School of Electrical Engineering Georgia Institute of Technology Atlanta GA USA
The purpose of this study was to assess the effects of LPC/CVSD tandem connections and to investigate ways of improving performance. In the case of the CVSD-to-LPC connection, the CVSD quantizing noise severely affect... 详细信息
来源: 评论
Estimation of LPC coefficients from speech waveforms degraded by additive random noise
Estimation of LPC coefficients from speech waveforms degrade...
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International Conference on Acoustics, Speech, and Signal Processing (ICASSP)
作者: Jae Lim Research Laboratory of Electronics and Department of Elec. Engineering and Comp. Sci. Massachusetts Institute of Technology Cambridge MA USA
Application of a Maximum A Posteriori (MAP) estimation procedure in estimating the LPC coefficients from speech waveforms degraded by additive random noise generally leads to solving a set of non-linear equations whic... 详细信息
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Statistical correlation between objective and subjective measures for speech quality
Statistical correlation between objective and subjective mea...
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International Conference on Acoustics, Speech, and Signal Processing (ICASSP)
作者: T. Barnwell A. Bush School of Electrical Engineering Georgia Institute of Technology Atlanta GA USA
A statistical correlation study between 18 objective quality measures and a data base of subjective quality measures from the Paired Acceptability Rating Method (PARM) was done for nine communication systems, includin... 详细信息
来源: 评论
Speech synthesis by linear interpolation of spectral parameters between dyad boundaries
Speech synthesis by linear interpolation of spectral paramet...
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International Conference on Acoustics, Speech, and Signal Processing (ICASSP)
作者: C. Shadle B. Atal Bell Telephone Laboratories Inc. Murray Hill NJ USA
Recent work of Olive and Spickenagel has shown that pseudo-area parameters used for LPC synthesis can be linearly interpolated between dyad boundaries without producing excessive distortion in synthetic speech. This s... 详细信息
来源: 评论