A study on switching of the transfer functions focusing on sound quality
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- Kudo Akihiro
- Nagaoka University of Technology
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- Hokari Haruhide
- Nagaoka University of Technology
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- Shimada Shoji
- Nagaoka University of Technology
書誌事項
- タイトル別名
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- study on switching of the transfer functions focusing on sound quality
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Many papers have described moving sound image schemes that use loudspeakers or headphones. Since most of these schemes switch the spatial transfer function being used, wave discontinuity occurs at the moment of switching, which degrades the sound quality. While the characteristics of the wave discontinuity depend on the moving sound image scheme used, no paper appears to have considered the relationship between the wave discontinuity and the scheme used. To rectify this omission, this paper examines three approaches: the simple switching approach, the overlap-add approach, and the fade-in·fade-out approach. The sound degradation caused by the wave discontinuity is assessed, and an objective measure, spectrum distortion width, is introduced to quantify the wave discontinuity. Subjective assessments, carried out using Scheffe’s comparison tests, verify that the overlap-add approach with modified hamming window and the fade-in·fade-out approach were better than the other methods.
収録刊行物
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- Acoustical Science and Technology
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Acoustical Science and Technology 26 (3), 267-278, 2005
一般社団法人 日本音響学会
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詳細情報 詳細情報について
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- CRID
- 1390282680066203648
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- NII論文ID
- 110003140559
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- NII書誌ID
- AA11501808
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- ISSN
- 13475177
- 03694232
- 13463969
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- NDL書誌ID
- 7306092
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- 本文言語コード
- en
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- データソース種別
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- JaLC
- NDL
- Crossref
- NDL-Digital
- CiNii Articles
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- 抄録ライセンスフラグ
- 使用不可