Analysis and synthesis of spatial parameters using MDCT

Shuixian Chen, Ruimin Hu, Jong Hyuk Park, Naixue Xiong, Sang Soo Yeo

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

3 Scopus citations

Abstract

We present a method of analyzing and synthesizing spatial parameters using only Modified Discrete Domain Transform (MDCT). Combing it with Modified Discrete Sine Transform (MDST) enables spatial parameters representation. And instead of direct transforming, MDST spectra can be perfectly built from neighboring MDCT spectra by a conversion matrix, which is highly diagonal and can be approximated by a small number of its sub-diagonals. With MDCT based core coders, like Advanced Audio Coding (AAC), we need no separate transforming for spatial coding, cutting down significant computational complexity.

Original languageEnglish
Title of host publication3rd International Conference on Multimedia and Ubiquitous Engineering, MUE 2009
Pages18-21
Number of pages4
DOIs
StatePublished - 2009
Event3rd International Conference on Multimedia and Ubiquitous Engineering, MUE 2009 - Qingdao, China
Duration: 4 Jun 20096 Jun 2009

Publication series

Name3rd International Conference on Multimedia and Ubiquitous Engineering, MUE 2009

Conference

Conference3rd International Conference on Multimedia and Ubiquitous Engineering, MUE 2009
Country/TerritoryChina
CityQingdao
Period4/06/096/06/09

Keywords

  • Audio coding
  • Conversion matrix
  • MDCT
  • MDST
  • Spatial parameter

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