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

The ITU-T approved the Conjugate-Structure Algebraic CELP (CS-ACELP) speech coder that will be used for Future Public Land Mobile Telecommunication Systems (FPLMTS) at its November 1995 meeting.This paper gives an overview of CS-ACELP and describes the algebraic codebook*, perceptual weighting, and quantization methods for LSP parameters and gain. It also discusses implementation aspects. Subjective testing indicates that the quality of this coder is equivalent to that of 32-kbit/s Adaptive Differential Pulse Code Modulation.

Original language	English
Pages (from-to)	24-29
Number of pages	6
Journal	NTT Review
Volume	8
Issue number	4
Publication status	Published - 1996 Jul 1
Externally published	Yes

ASJC Scopus subject areas

Computer Networks and Communications
Electrical and Electronic Engineering

Cite this

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AU - Hayashi, Shinji

AU - Moriya, Takehiro

AU - Kurihara, Sachiko

AU - Mano, Kazunori

PY - 1996/7/1

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AB - The ITU-T approved the Conjugate-Structure Algebraic CELP (CS-ACELP) speech coder that will be used for Future Public Land Mobile Telecommunication Systems (FPLMTS) at its November 1995 meeting.This paper gives an overview of CS-ACELP and describes the algebraic codebook*, perceptual weighting, and quantization methods for LSP parameters and gain. It also discusses implementation aspects. Subjective testing indicates that the quality of this coder is equivalent to that of 32-kbit/s Adaptive Differential Pulse Code Modulation.

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

Abstract

ASJC Scopus subject areas

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