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

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

研究成果: Article査読

抄録

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.

本文言語English
ページ(範囲)24-29
ページ数6
ジャーナルNTT Review
8
4
出版ステータスPublished - 1996 7 1
外部発表はい

ASJC Scopus subject areas

  • Computer Networks and Communications
  • Electrical and Electronic Engineering

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