Efficient Coding Translation of GSM and G.729 Speech Coders across Mobile and IP Networks

Shu Min Tsai, Jia Ching Wang, Jar Ferr Yang, Jhing Fa Wang

Research output: Contribution to journalArticlepeer-review

2 Citations (Scopus)

Abstract

In this paper, we propose a speech coding translation scheme by transferring coding parameters between GSM half rate and G.729 coders. Compared to the conventional decode-then-encode (DTE) scheme, the proposed parameter conversions provide speech interoperability between mobile and IP networks with reducing computational complexity and coding delay. Simulation results show that the proposed methods can reduce about 30% computational load and coding delay acquired in the target encoders and achieve almost imperceptible degradation in performance.

Original languageEnglish
Pages (from-to)444-452
Number of pages9
JournalIEICE Transactions on Information and Systems
VolumeE87-D
Issue number2
Publication statusPublished - 2004 Feb

All Science Journal Classification (ASJC) codes

  • Software
  • Hardware and Architecture
  • Computer Vision and Pattern Recognition
  • Electrical and Electronic Engineering
  • Artificial Intelligence

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