Basic algorithm of conjugate-structure algebraic CELP (CS-ACELP) speech coder

Akitoshi Kataoka; Shinji Hayashi; Takehiro Moriya; Sachiko Kurihara; Kazunori Mano

Basic algorithm of conjugate-structure algebraic CELP (CS-ACELP) speech coder

Akitoshi Kataoka, Shinji Hayashi, Takehiro Moriya, Sachiko Kurihara, Kazunori Mano

Research output: Contribution to journal › Article › peer-review

Abstract

After lengthy discussion of standardization of an 8kbit/s speech coding algorithm that will be used for the Future Public Land Mobile Telecommunication Systems (FPLMTS), the ITU-T approved the speech coder CS-ACELP (Conjugate-Structure Algebraic CELP) in the November 1995 meeting. This paper overviews of CS-ACELP and discusses the algebraic codebook, perceptual weighting, and quantization methods for LSP parameters and gain. It also presents the results of subjective quality tests.

Original language	English
Pages (from-to)	325-329
Number of pages	5
Journal	NTT R and D
Volume	45
Issue number	4
Publication status	Published - 1996 Dec 1
Externally published	Yes

ASJC Scopus subject areas

Electrical and Electronic Engineering

Cite this

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AU - Hayashi, Shinji

AU - Moriya, Takehiro

AU - Kurihara, Sachiko

AU - Mano, Kazunori

PY - 1996/12/1

Y1 - 1996/12/1

N2 - After lengthy discussion of standardization of an 8kbit/s speech coding algorithm that will be used for the Future Public Land Mobile Telecommunication Systems (FPLMTS), the ITU-T approved the speech coder CS-ACELP (Conjugate-Structure Algebraic CELP) in the November 1995 meeting. This paper overviews of CS-ACELP and discusses the algebraic codebook, perceptual weighting, and quantization methods for LSP parameters and gain. It also presents the results of subjective quality tests.

AB - After lengthy discussion of standardization of an 8kbit/s speech coding algorithm that will be used for the Future Public Land Mobile Telecommunication Systems (FPLMTS), the ITU-T approved the speech coder CS-ACELP (Conjugate-Structure Algebraic CELP) in the November 1995 meeting. This paper overviews of CS-ACELP and discusses the algebraic codebook, perceptual weighting, and quantization methods for LSP parameters and gain. It also presents the results of subjective quality tests.

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Basic algorithm of conjugate-structure algebraic CELP (CS-ACELP) speech coder

Abstract

ASJC Scopus subject areas

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