Performance Comparison of Single and Multi-Stage Algebraic Codebooks(Speech and Hearing)

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概要

• 論文の詳細を見る

• This letter presents the advantages of a cascaded algebraic codebook structure at relatively high bit-rates. The cascaded structure that consists of two stages provides flexible pulse combinations due to an additional gain term in the second stage. The perceptual quality of the cascaded structure can be further improved by using a gain re-estimation scheme. Experiments confirm that the cascaded structure has a big advantage in terms of quality and complexity as the bit-rate becomes higher.

• 社団法人電子情報通信学会の論文
• 2003-12-01

著者

• Youn Dae-hee

  The Dept. Of Electrical And Electronic Eng. Yonsei Univ. Seoul Korea.

• Youn D‐h

  Yonsei Univ. Seoul Kor

• YOUN Dae-Hee

  Department of Electronic Engineering, Yonsei University

• Youn Dae-hee

  Department Of Electrical And Electronic Engineering Yonsei University

• Jung Soon-ki

  Department Of Electrical And Electronic Engineering Yonsei University

• Kang Hong-goo

  Department Of Electrical And Electronic Engineering Yonsei University

• JUNG Sung-Kyo

  Department of Electrical and Electronic Engineering, Yonsei University

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