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检索条件"主题词=Linear predictive coding"
2458 条 记 录,以下是2311-2320 订阅
排序:
On an efficient decomposition of LPC excitation for producing natural sounding speech
On an efficient decomposition of LPC excitation for producin...
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IEEE Region 10 International Conference TENCON
作者: S.H. Leung L.F. Peng O.Y. Wong C.F. Chan A. Luk Department of Electronic Engineering City Polytechnic of Hong Kong Hong Kong China
The authors present a new method of modeling the excitation of the linear predictive coding (LPC) synthesis filter at low and medium bit rates. For the speech segments with regular patterns, the excitation is composed... 详细信息
来源: 评论
Optimal transformation of LSP parameters using neural network
Optimal transformation of LSP parameters using neural networ...
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International Conference on Acoustics, Speech, and Signal Processing (ICASSP)
作者: Hai Le Vu Laszlo Lois Department of Telecommunications Technical University of Budapest Budapest Hungary
The intraframe correlation properties of line spectrum pair (LSP) are used to develop an efficient encoding algorithm using the Karhunen-Loeve (KL) transformation. The important nonuniform statistical characteristics ... 详细信息
来源: 评论
Word recognition and encoding using poles
Word recognition and encoding using poles
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International Conference on Acoustics, Speech, and Signal Processing (ICASSP)
作者: D. Tuffelli B. Groc E.N.S. d'Electronique et de radioélectricite Grenoble
At learning, LPC is used to get the reference poles corresponding to the words. During the recognition, the order of the filtering is variable and imposed by the dictionary. The distance between an input speech window... 详细信息
来源: 评论
The effects of five voice characteristics on LPC quality
The effects of five voice characteristics on LPC quality
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International Conference on Acoustics, Speech, and Signal Processing (ICASSP)
作者: M. Kahn P. Garst Hewlett Packard Laboratories Palo Alto CA USA
Most published evaluations of LPC systems use only one or two speakers. Since LPC quality and intelligibility are known to depend on the speaker, this is an inadequate test of a synthesis system. We recorded eight men... 详细信息
来源: 评论
Low bit rate CELP using ternary excitation codebook
Low bit rate CELP using ternary excitation codebook
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IEEE Conference and Exhibition on Global Telecommunications (GLOBECOM)
作者: S. Tavathia R. Porayath J.F. Doherty Department of Electrical Engineering and Computer Engineering Iowa State University Ames IA USA
Code excited linear predictor coders hold promise to achieve high quality speech at low bit rates. We propose a ternary excitation based CELP coder with a new structure to achieve toll quality speech at 4 kbps. Speech... 详细信息
来源: 评论
CCD adaptive filtering for robust LPC speech processing
CCD adaptive filtering for robust LPC speech processing
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International Conference on Acoustics, Speech, and Signal Processing (ICASSP)
作者: G. Borsuk M. White Westinghouse Advanced Technology Laboratories Baltimore MD USA
A monolithic CCD adaptive filter chip is described which implements the Widrow-Hoff "clipped-data" LMS adaptive algorithm. The chip can be used as a pre-filter noise canceller, analysis filter, or pre-whiten... 详细信息
来源: 评论
Objective speech quality measure for cellular phone
Objective speech quality measure for cellular phone
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International Conference on Acoustics, Speech, and Signal Processing (ICASSP)
作者: K.H. Lam O.C. Au C.C. Chan K.F. Hui S.F. Lau Department of Electrical and Electronic Engineering Hong Kong University of Science and Technology Kowloon Hong Kong China
Cellular phone network speech quality monitoring is a regular task performed by the cellular service providers. Objective speech quality measures are needed in such tasks to provide a reasonably accurate estimate of s... 详细信息
来源: 评论
An 8 kbit/s ACELP coder with improved background noise performance
An 8 kbit/s ACELP coder with improved background noise perfo...
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International Conference on Acoustics, Speech, and Signal Processing (ICASSP)
作者: R. Hagen E. Ekudden Research Ericsson Radio Systems Audio and Visual Technology Sweden
This paper describes an 8 kbit/s ACELP speech coder with high performance for both speech and non-speech signals such as background noise. While the traditional waveform matching LPAS structure employed in many existi... 详细信息
来源: 评论
Tone modifications used for improving the discrimination of Mandarin words for the hearing-impaired
Tone modifications used for improving the discrimination of ...
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International Conference on Signal Processing Proceedings (ICSP)
作者: Jian Lu N. Uemi Gang Li T. Ifukube Research Institute for Electronic Science Hokkaido University Sapporo Hokkaido Japan Tianjin University TJU China
In this paper, a digital processing method is described for modifying tone contrast that was defined as the difference in frequencies between peaks and valleys of pitch curves in natural utterances. Speech signals wit... 详细信息
来源: 评论
Speaker-independent phonation recognition for Malay plosives using neural networks
Speaker-independent phonation recognition for Malay plosives...
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International Joint Conference on Neural Networks (IJCNN)
作者: Hua Nong Ting J. Yunus S.H. Salleh Faculty of Electrical Engineering Universiti Teknologi Malaysia Skudai Johor Malaysia
The paper investigates the use of neural networks in recognizing the phonation of the speech sounds. The proposed method classifies the Malay plosive sounds of adults and children based on phonation in a speaker-indep... 详细信息
来源: 评论