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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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Estimation of time-varying AR models of speech through Gauss-Markov modeling
Estimation of time-varying AR models of speech through Gauss...
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International Conference on Acoustics, Speech, and Signal Processing (ICASSP)
作者: K.M. Malladi R.V. Rajakumar Hellosoft Inc. San Jose CA Dept. of E&ECE Indian Institute of Technology Kharagpur India
In this work, a new method for estimating the time-varying AR model of speech is presented. Here, the time-varying parameters are modeled as stationary processes. Both the time-varying parameters and their correspondi... 详细信息
来源: 评论
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
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
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
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
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
Design of a toll-quality 4-kbit/s speech coder based on phase-adaptive PSI-CELP
Design of a toll-quality 4-kbit/s speech coder based on phas...
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International Conference on Acoustics, Speech, and Signal Processing (ICASSP)
作者: L. Mano NTT Human Interface Laboratories Musashino Tokyo Japan
This paper describes the design of a toll-quality 4-kbit/s speech coder based on phase-adaptive PSI-CELP. This adaptation method not only gives pitch periodicity to the random excitation but also synchronizes the basi... 详细信息
来源: 评论
A 32-band sub-band/Transform coder incorporating vector quantization for dynamic bit allocation
A 32-band sub-band/Transform coder incorporating vector quan...
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International Conference on Acoustics, Speech, and Signal Processing (ICASSP)
作者: C. Heron R. Crochiere R. Cox Acoustic Research Department Bell Laboratories Murray Hill NJ USA
In this paper we report on a study of a technique for 32-band subband/transform coding at 16 kb/s. This approach occupies the middle range of algorithm complexities and frequency resolution between that of Sub-Band Co... 详细信息
来源: 评论
Speech coding Based On Vector Quantization For A Tactile Vocoder Hearing Device
Speech Coding Based On Vector Quantization For A Tactile Voc...
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Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC)
作者: S. Pourmehdi J. Mouine M. Sawan J. Lajoie F. Duval Electrical Engineering Department Université de Sherbrook Sherbrooke QUE Canada
来源: 评论