Art

J-GLOBAL ID：200902270636006300   Reference number：04A0423584

Design of a Robust LSP Quantizer for a High-Quality 4-kbit/s CELP Speech Coder

高品質4kビット/s CELP音声符号器のための頑強なLSP量子化器の設計

Author (6)： HIWASAKI Y (NTT Corp., Musashino-shi, JPN) ,  MANO K (NTT Corp., Yokosuka-shi, JPN) ,  YASUNAGA K (Matsushita Electric Industrial Co., Ltd., Tokyo, JPN) ,  MORII T (Matsushita Electric Industrial Co., Ltd., Tokyo, JPN) ,  EHARA H (Matsushita Electric Industrial Co., Ltd., Yokosuka-shi, JPN) ,  KANEKO T (NTT Corp., Musashino-shi, JPN)
Material： IEICE Transactions on Information and Systems (Institute of Electronics, Information and Communication Engineers)  (IEICE Trans Inf Syst (Inst Electron Inf Commun Eng))
Volume： E87-D  Issue： 6  Page： 1496-1506  Publication year： Jun. 01, 2004 
JST Material Number： L1371A  ISSN： 0916-8532  Document type： Article
Article type： 原著論文  Country of issue： Japan (JPN)  Language： ENGLISH (EN)

Thesaurus term： *quantizer ,...
Semi thesaurus term： CELP coding ,...

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JST classification (2)： Speach processing  (JE05000E) ,  Special-purpose arithmetic and control units  (JC04030Y)

Reference (25)：

• SCHROEDER, M. R. Code-excited linear prediction (CELP) : High-quality speech at very low bit rates. Proc. IEEE Int. Conf. Acoust. Speech Signal Process., Tampa, 1985. 1985, 1, 937-940
• ITAKURA, F. Line spectrum representation of linear predictive coefficients of speech signals. J. Acoust. Soc. Am. 1975, 57, S35
• GRAY, A. H. Jr. Distance measures for speech processing. IEEE Trans. Acoust. Speech Signal Process. 1976, ASSP-24, 5, 380-391
• HAGEN, R. Spectral coding by LSP frequencies-scalar and segmented VQ-methods. Commun. Speech and Vision, IEE, Proc. I. 1992, 139, 118-122
• PALIWAL, K. K. Efficient vector quantization of LPC parameters at 24bits/frame. IEEE Trans. Speech Audio Process. 1993, 1, 1, 3-14

Terms in the title (8)： 高品質 ,  ビット ,  CELP ,  音声 ,  符号器 ,  LSP ,  量子化器 ,  設計