論文

査読有り 本文へのリンクあり
2020年

Sparsity-based sound field reconstruction

Acoustical Science and Technology
  • Shoichi Koyama

41
1
開始ページ
269
終了ページ
275
記述言語
掲載種別
研究論文(学術雑誌)
DOI
10.1250/ast.41.269

© 2020 The Acoustical Society of Japan Estimating and interpolating a sound field from measurements using multiple microphones are fundamental tasks in sound field analysis for sound field reconstruction. The sound field reconstruction inside a source-free region is achieved by decomposing the sound field into plane-wave or harmonic functions. When the target region includes sources, it is necessary to impose some assumptions on the sources. Recently, it has been increasingly popular to apply sparse representation algorithms to various sound field analysis methods. In this paper, we present an overview of sparsity-based sound field reconstruction methods and also demonstrate their application to sound field recording and reproduction.

リンク情報
DOI
https://doi.org/10.1250/ast.41.269
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