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检索条件"主题词=Linear predictive coding"
2477 条 记 录,以下是221-230 订阅
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A new phase model for sinusoidal transform coding of speech
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IEEE TRANSACTIONS ON SPEECH AND AUDIO PROCESSING 1998年 第5期6卷 495-501页
作者: Ahmadi, S Spanias, AS Nokia Mobile Phones Inc San Diego CA 92121 USA
A phase modeling algorithm for sinusoidal analysis-synthesis of speech is presented, where short-time sinusoidal phases are approximated using a combination of linear prediction, spectral sampling, delay compensation,... 详细信息
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LPC SPEECH coding BASED ON VARIABLE-LENGTH SEGMENT QUANTIZATION
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IEEE TRANSACTIONS ON ACOUSTICS SPEECH AND SIGNAL PROCESSING 1988年 第9期36卷 1437-1444页
作者: SHIRAKI, Y HONDA, M Speech Research Group of the Basic Research Laboratories NTT Musashino Tokyo Japan
A low-bit-rate linear predictive coder (LPC) that is based on variable-length segment quantization is presented. In this vocoder, the speech spectral-parameter sequence is represented as the concatenation of variable-... 详细信息
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Design and Performance of an Algorithm for Estimating Vocal System Parameters
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IEEE TRANSACTIONS ON SPEECH AND AUDIO PROCESSING 1994年 第4期2卷 531-536页
作者: Thomson, Mark M. Guillemin, Bernard J. Univ Auckland Dept Elect & Elect Engn Auckland 1 New Zealand
In this correspondence, we present two findings regarding an algorithm proposed by Milenkovic for determining the source and transfer function of the human vocal system. First, we show that more reliable estimates of ... 详细信息
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Strategies to improve the performance of very low bit rate speech coders and application to a variable rate 1.2 kb/s codec
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IEE PROCEEDINGS-VISION IMAGE AND SIGNAL PROCESSING 2005年 第1期152卷 74-86页
作者: de Lamare, RC Alcaim, A CETUC PUC RIO BR-22453900 Rio De Janeiro Brazil
This paper presents several strategies to improve the performance of very low bit rate speech coders and describes a speech codec that incorporates these strategies and operates at an average bit rate of 1.2 kb/s. The... 详细信息
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Nonlinear predictive image coding with a neural network
Nonlinear predictive image coding with a neural network
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International Conference on Acoustics, Speech, and Signal Processing (ICASSP)
作者: Z. He H. Li DSP Division Radio Engineering Department South-East University Nanjing China
A multilayer neural network used for nonlinear predictive image coding is described. Two coding schemes, nonadaptive and adaptive, are shown. Owing to matching of the local properties of the image, nonlinear predictiv... 详细信息
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The Modular Neural predictive coding architecture
The Modular Neural Predictive Coding architecture
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International Conference on Neural Information Processing
作者: M. Chetouani B. Gas J.L. Zarader Laboratoire des Instruments et Systemes d'Ile de France (LISIF) Universite Paris VI Paris France
We present a new architecture called the Modular Neural predictive coding architecture (Modular NPC). This architecture is used for speech discriminant feature extraction (DFE). We present an application of the modula... 详细信息
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Vector predictive quantization of the spectral parameters for low rate speech coding
Vector predictive quantization of the spectral parameters fo...
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International Conference on Acoustics, Speech, and Signal Processing (ICASSP)
作者: Y. Shoham Dpt. of Signal Processing Research AT and T Bell Laboratories Inc. Murray Hill NJ USA
Vector predictive Quantization (VPQ) is proposed for coding the short-term spectral envelope of speech. The proposed VPQ scheme predicts the current spectral envelope from several past spectra, using a predictor codeb... 详细信息
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DETECTION OF LARYNGEAL FUNCTION USING SPEECH AND ELECTROGLOTTOGRAPHIC DATA
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IEEE TRANSACTIONS ON BIOMEDICAL ENGINEERING 1992年 第1期39卷 19-25页
作者: CHILDERS, DG BAE, KS Department of Electrical Engineering Mind-Machine Interaction Research Center University of Florida Medical School Gainesville FL USA Department of Electrical Engineering Kyungpook National University Taejon South Korea
The purpose of this research was to develop quantitative measures for the assessment of laryngeal function using speech and electroglottographic (EGG) data. We developed two procedures for the detection of laryngeal p... 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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SHAPE-GAIN MATRIX QUANTIZERS FOR LPC SPEECH
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IEEE TRANSACTIONS ON ACOUSTICS SPEECH AND SIGNAL PROCESSING 1986年 第6期34卷 1427-1439页
作者: TSAO, C GRAY, RM STANFORD UNIV DEPT ELECT ENGNINFORMAT SYST LABSTANFORDCA 94305
It has been recently demonstrated that the principles of vector quantization for LPC speech can be simply extended to encompass matrices of LPC vectors with significant savings in bit rate. Unfortunately, however, suc... 详细信息
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