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检索条件"主题词=Linear predictive coding"
2458 条 记 录,以下是611-620 订阅
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Probability distribution of speech signal spectral envelope
Probability distribution of speech signal spectral envelope
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Canadian Conference on Electrical and Computer Engineering (CCECE)
作者: S. Gazor R.R. Far Electrical and Computer Engineering Department Queen's University Kingston ONT Canada
We propose a model for the generation of speech signals based on the stochastic properties of the speech signal. It is shown that the speech signal is the multiplication of a Gaussian random process (RP) by a slowly t... 详细信息
来源: 评论
Multiple frame block quantisation of line spectral frequencies using Gaussian mixture models
Multiple frame block quantisation of line spectral frequenci...
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International Conference on Acoustics, Speech, and Signal Processing (ICASSP)
作者: K.K. Paliwal S. So School of Microelectronic Engineering Griffith University Brisbane Australia
In this paper, we present a Gaussian mixture model-based block quantiser for coding line spectral frequencies that uses multiple frames and mean squared error as the quantiser selection criterion. The efficiency gaine... 详细信息
来源: 评论
SPECT/CT registration with the DCC and MC simulations for SPECT imaging
SPECT/CT registration with the DCC and MC simulations for SP...
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IEEE Symposium on Nuclear Science (NSS/MIC)
作者: F. Chatelain L. Desbat J.F. Moreira C. Amblard V. Breton TIMC UMR CNRS 5525 In3S Faculté de Médecine UJF Grenoble France LPC CNRS/IN2P3 Aubiere France Laboratoriesad UPMF Grenoble France
We want to perform the attenuation correction in the case of 3D attenuated ray transform with a parallel geometry. We suppose that the attenuation function is available but not registered with the data. We use the sum... 详细信息
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Fine granularity scalability for MP-CELP based speech coding with HPDR technique
Fine granularity scalability for MP-CELP based speech coding...
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IEEE Asia-Pacific Conference on Circuits and Systems
作者: S. Chompun Electrical Engineering Division Faculty of Engineering at Si racha Kasetsart University Chonburi Thailand
In this work, based on the MP-CELP speech coding with HPDR technique, fine granularity scalability (FGS) is introduced by adjusting the amount of transmitted fixed excitation information. The FGS feature aim at changi... 详细信息
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Analysis of a hybrid fractal-predictive-coding compression scheme
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SIGNAL PROCESSING-IMAGE COMMUNICATION 2003年 第6期18卷 483-495页
作者: Tong, CS Pi, M Hong Kong Baptist Univ Dept Math Kowloon Tong Hong Kong Peoples R China Univ Alberta Dept Comp Sci Edmonton AB T6G 2E8 Canada
There has been tremendous progress in fractal compression since the pioneer work of Barnsley and Jacquin in the late 1980s. As the encoding time complexity issues are gradually being solved, there is a steady growth o... 详细信息
来源: 评论
Bandwidth-adjusted LPC analysis for robust speech recognition
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PATTERN RECOGNITION LETTERS 2003年 第9-10期24卷 1583-1587页
作者: Huang, CS Wang, HC Philips Speech Proc Voice Control Tayuan 326 Taiwan Natl Tsing Hua Univ Dept Elect Engn Hsinchu 300 Taiwan
This paper proposes a novel approach, bandwidth-adjusted linear predictive coding (BLPC) analysis, for robust speech recognition. We estimate and adjust the dispersion of formant bandwidths according to the maximum li... 详细信息
来源: 评论
Estimation of short term prediction parameters under lossy conditions  3
Estimation of short term prediction parameters under lossy c...
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3rd IEEE International Symposium on Signal Processing and Information Technology
作者: Black, D Sandler, M Univ London Dept EE DSP & Multimedia Grp London WC1E 7HU England
The inconsistencies inherent in packet switched network delivery can be seriously detrimental to the quality of a real-time speech transmission. This paper places its emphasis on the importance of the short term predi... 详细信息
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Forward and backward LP ELS-based time-varying complex speech analysis based on output error method  3
Forward and backward LP ELS-based time-varying complex speec...
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3rd IEEE International Symposium on Signal Processing and Information Technology
作者: Funaki, K Univ Ryukyus Comp & Networking Ctr Okinawa 9030213 Japan
We have already proposed the ELS-based time-varying complex AR (TV-CAR) speech analysis based on forward LP as well as forward and backward LP in which the equation error is modeled by an AR model to whiten the error.... 详细信息
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Modular neural predictive coding for discriminative feature extraction
Modular neural predictive coding for discriminative feature ...
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International Conference on Acoustics, Speech, and Signal Processing (ICASSP)
作者: M. Chetouani B. Gas J. Zarader Laboratoire des Instruments et Systémes dIle-De-France Université Paris IV Paris France
We present an architecture called the modular neural predictive coding architecture (Modular NPC). The Modular NPC is used for discriminative feature extraction (DFE). It provides an architecture based on phonetics kn... 详细信息
来源: 评论
Voice-dial by statistical recognition of continuous speech
Voice-dial by statistical recognition of continuous speech
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International Symposium on Signals, Circuits and Systems
作者: Dumitru, CO Gavat, I Univ Politehn Bucharest Fac Elect & Telecommun Bucharest Romania
In this paper is presented our work concerning continuous speech recognition in a telephone numbers voice-dialing task realized by statistical modeling. The speech is parameterized using the computational inexpensive ... 详细信息
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