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检索条件"主题词=Linear Predictive coding"
2455 条 记 录,以下是1221-1230 订阅
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Wavelet based feature extraction for phoneme recognition
Wavelet based feature extraction for phoneme recognition
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International Conference on Spoken Language, ICSLP
作者: C.J. Long S. Datta Department of Electronic and Electrical Engineering Loughborough University of Technology Loughborough UK
In an effort to provide a more efficient representation of the acoustical speech signal in the pre classification stage of a speech recognition system, we consider the application of the Best-Basis Algorithm of R.R. C... 详细信息
来源: 评论
A MIXED EXCITATION LPC VOCODER MODEL FOR LOW BIT-RATE SPEECH coding
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IEEE TRANSACTIONS ON SPEECH AND AUDIO PROCESSING 1995年 第4期3卷 242-250页
作者: MCCREE, AV BARNWELL, TP GEORGIA INST TECHNOL SCH ELECT ENGNATLANTAGA 30332
Traditional pitch-excited linear predictive coding (LPC) vocoders use a fully parametric model to efficiently encode the important information in human speech. These vocoders can produce intelligible speech at low dat... 详细信息
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EFFICIENT ADAPTIVE VECTOR QUANTIZATION OF LPC PARAMETERS
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IEEE TRANSACTIONS ON SPEECH AND AUDIO PROCESSING 1995年 第4期3卷 314-317页
作者: FERRERBALLESTER, MA FIGUEIRASVIDAL, AR ETSI Telecomunicacóin Universidad de Las Palmas de Gran Canaria Las Palmas Spain GPSS-DSSR ETSI Telecomunicación Universidad Politécnica de Madrid Madrid Spain
This correspondence presents a new two-stage adaptive vector quantizer of LSF parameters in LPC speech coding. The first codebook is adapted by a partition-delete operation, whereas the code-vectors of the second code... 详细信息
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PARALLEL, SELF-ORGANIZING, HIERARCHICAL NEURAL NETWORKS WITH CONTINUOUS INPUTS AND OUTPUTS
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IEEE TRANSACTIONS ON NEURAL NETWORKS 1995年 第5期6卷 1037-1044页
作者: ERSOY, OK DENG, SW School of Electrical Engineering Purdue University Lafayette IN USA Electrical Engineering Department Hua-Fan College
Parallel, self organizing, hierarchical neural networks (PSHNN's) are multistage networks in which stages operate in parallel rather than in series during testing, Each stage can be any particular type of network,... 详细信息
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DESIGN OF A PITCH SYNCHRONOUS INNOVATION CELP CODER FOR MOBILE COMMUNICATIONS
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IEEE JOURNAL ON SELECTED AREAS IN COMMUNICATIONS 1995年 第1期13卷 31-41页
作者: MANO, K MORIYA, T MIKI, S OHMURO, H IKEDA, K IKEDO, J NIPPON TELEGRAPH & TEL PUBL CORP YOKOSUKA ELECT COMMUN LABS RADIO COMMUN SYST LABS YOKOSUKA KANAGAWA 23803 JAPAN
This paper describes the design of a speech coder called pitch synchronous innovation CELP (PSI-CELP) for low bit-rate mobile communications. PSI-CELP is based on CELP, but has more adaptive excitation structures. In ... 详细信息
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Subspectral modeling in filter banks
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IEEE TRANSACTIONS ON SIGNAL PROCESSING 1995年 第12期43卷 3050-3053页
作者: Benyassine, A Akansu, AN Department of Electrical and Computer Engineering Center for Communications and Signal Processing Research New Jersey Institute of Technology University Heights Newark NJ USA
This correspondence deal with spectral modeling in filter banks. It is shown, both theoretically and experimentally, that subspectral modeling is superior to full spectrum modeling if performed before the rate change.... 详细信息
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REDUCTION OF BROAD-BAND NOISE IN SPEECH BY TRUNCATED QSVD
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IEEE TRANSACTIONS ON SPEECH AND AUDIO PROCESSING 1995年 第6期3卷 439-448页
作者: JENSEN, SH HANSEN, PC HANSEN, SD SORENSEN, JA TECH UNIV DENMARK INST ELECTRDK-2800 LYNGBYDENMARK
We consider an algorithm for reduction of broadband noise in speech based on signal subspaces. The algorithm is formulated by means of the quotient singular value decomposition (QSVD). With this formulation, a prewhit... 详细信息
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1.6-KBIT/S LP VOCODER USING TIME ENVELOPE
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ELECTRONICS LETTERS 1995年 第7期31卷 517-519页
作者: ATKINSON, IA KONDOZ, AM EVANS, BG Centre for Satellite Engineering Speech Coding Group University of Surrey Guildford United Kingdom
The authors present a linear prediction (LP) based vocoder in which speech waveforms are considered as having a time envelope, the shape of which contains important perceptual information. By ensuring that the time en... 详细信息
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CODEBOOK GENERATION FOR VECTOR QUANTIZATION
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ELECTRONICS LETTERS 1995年 第7期31卷 522-523页
作者: CHEN, CQ KOH, SN SIVAPRAKASAPILLAI, P School of Electrical and Electronic Engineering Nanyang Technological University Singapore Republic of Singapore
A novel codebook generation scheme for vector quantisation is presented. The proposed scheme is of comparable computational complexity to the Linde-Buzo-Gray (LBG) algorithm, but its performance is shown to be superior.
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THEORETICAL-ANALYSIS OF THE HIGH-RATE VECTOR QUANTIZATION OF LPC PARAMETERS
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IEEE TRANSACTIONS ON SPEECH AND AUDIO PROCESSING 1995年 第5期3卷 367-381页
作者: GARDNER, WR RAO, BD University of California San Diego CA USA QUALCOMM Incorporated San Diego CA USA University of California San Diego San Diego CA USA
This paper presents a theoretical analysis of high-rate vector quantization (VQ) systems that use suboptimal, mismatched distortion measures, and describes the application of the analysis to the problem of quantizing ... 详细信息
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