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检索条件"主题词=linear predictive coding"
2458 条 记 录,以下是2361-2370 订阅
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Speech Recognition Using Neural Networks
Speech Recognition Using Neural Networks
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International Conference on Signal Processing Systems, ICSPS
作者: T. Lalith Kumar T. Kishore Kumar K. Soundar Rajan SVIST Kadapa India National Institute of Technology Warangal India JNTU Anantapur India
Speech processing has been an active area for several decades with a wide variety of applications ranging from communications to automatic reading machines. There are many speech recognition techniques, which are base... 详细信息
来源: 评论
A hybrid input/output spectrum adaptation scheme for LD-CELP coding of speech
A hybrid input/output spectrum adaptation scheme for LD-CELP...
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International Conference on Acoustics, Speech, and Signal Processing (ICASSP)
作者: Siu-Pun Chui Cheung-Fat Chan Department of Electronic Engineering City University of Hong Kong Hong Kong China
This paper describes a hybrid input/output block adaptation scheme for the quantization of spectral parameters for low-delay CELP coders. In this scheme, line spectrum pair (LSP) coefficients are used as parameters fo... 详细信息
来源: 评论
Interframe differential vector coding of line spectrum frequencies
Interframe differential vector coding of line spectrum frequ...
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International Conference on Acoustics, Speech, and Signal Processing (ICASSP)
作者: E. Erzin A.E. Cetin Department of Electrical and Electronics Engineering Bilkent University Ankara Turkey
In many vocoders LSFs (line spectrum frequencies) are used to encode the linear predictive coding (LPC) parameters. An interframe differential coding scheme is presented for LSFs. The LSFs of the current speech frame ... 详细信息
来源: 评论
Code-excited linear prediction(CELP): High-quality speech at very low bit rates
Code-excited linear prediction(CELP): High-quality speech at...
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International Conference on Acoustics, Speech, and Signal Processing (ICASSP)
作者: M. Schroeder B. Atal Drittes Physikalisches Institut University of Goettingen Germany AT and T Bell Laboratories Inc. Murray Hill NJ USA
We describe in this paper a code-excited linear predictive coder in which the optimum innovation sequence is selected from a code book of stored sequences to optimize a given fidelity criterion. Each sample of the inn... 详细信息
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Least squares-adapted edge-look-ahead prediction with run-length encodings for lossless compression of images
Least squares-adapted edge-look-ahead prediction with run-le...
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International Conference on Acoustics, Speech, and Signal Processing (ICASSP)
作者: Lih-Jen Kau Yuan-Pei Lin Department Elec. and Control Engineering National Chiao Tung University Hsinchu Taiwan
Many coding methods are more efficient with certain types of images than others. In particular, run-length coding is very useful for coding areas of little changes. Adaptive predictive coding achieves high coding effi... 详细信息
来源: 评论
Network echo canceller based on the practical adaptive filter
Network echo canceller based on the practical adaptive filte...
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IEEE International Symposium on Intelligent Signal Processing and Communication Systems (ISPACS)
作者: Jae Ha Yoo Dong Yon Kim Department of Electronic Engineering Hankyong National University South Korea
In this paper, a new network echo canceller based on the practical adaptive filter is proposed. The proposed adaptive filter practically modifies the lattice transversal joint (LTJ) adaptive filter. It takes advantage... 详细信息
来源: 评论
Low bit-rate speech coder based on a long-term model
Low bit-rate speech coder based on a long-term model
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IEEE Convention of the Electrical and ELectronic Engineers in Israel
作者: O. Lev D. Malah Dept. of Electr. Eng. Technion-Israel Inst. of Technol. Haifa Israel Department of Electrical Engineering Technion Israel Institute of Technology Israel
We present a low bit rate speech coder based on a long-term model (LTM) for voiced speech, and on the WI coder. In the LTM, a periodic input signal undergoes a time-varying spectral shaping representing the evolution ... 详细信息
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A new approach of LPC analysis based on the normalization of vocal-tract length
A new approach of LPC analysis based on the normalization of...
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International Conference on Pattern Recognition
作者: Huang Ze-Zhen Yan Xiag-Jun Department of radio electronics Tsinghua University Beijing China Dept. of Radio Electron. Tsinghua Univ. Beijing China
An approach to linear prediction coefficient (LPC) analysis based on the normalization of vocal-tract length is presented. The approach is of significance for speech recognition of arbitrary speakers. In this approach... 详细信息
来源: 评论
TD-PSOLA versus harmonic plus noise model in diphone based speech synthesis
TD-PSOLA versus harmonic plus noise model in diphone based s...
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International Conference on Acoustics, Speech, and Signal Processing (ICASSP)
作者: A. Syrdal Y. Stylianou L. Garrison A. Conkie J. Schroeter AT and T Research Laboratories Florham Park NJ USA AT and T Bell Laboratories Inc. Holmdel NJ USA
In an effort to select a speech representation for our next generation concatenative text-to-speech synthesizer, the use of two candidates is investigated; TD-PSOLA and the harmonic plus noise model, HNM. A formal lis... 详细信息
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Line spectrum pair (LSP) and speech data compression
Line spectrum pair (LSP) and speech data compression
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International Conference on Acoustics, Speech, and Signal Processing (ICASSP)
作者: F. Soong B. Juang Acoustic Research Department Bell Laboratories Murray Hill NJ USA
Line Spectrum Pair (LSP) was first introduced by Itakura [1,2] as an alternative LPC spectral representations. It was found that this new representation has such interesting properties as (1) all zeros of LSP polynomi... 详细信息
来源: 评论