音声録音を目的とした簡易無響室の設置とその性能に関する一考察

Material type: 文書・図像類

Author: 本沢彩ほか

Publisher: 関東学院大学工学会

Publication date: 2012-03

Material Format: Digital

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NDC: 524.96

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Note (General)：: Recording rooms are generally required very small acoustic echoes and noiseness from exterior spaces. However, human beings recognize what they utter ...

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Material Type: 文書・図像類
Title: 音声録音を目的とした簡易無響室の設置とその性能に関する一考察
Author/Editor: 本沢彩
加藤, 雅裕
遠藤, 智行
津田, 宏之
Author Heading: 本沢彩
加藤, 雅裕
遠藤, 智行
津田, 宏之
Publication, Distribution, etc.: 関東学院大学工学会
Publication Date: 2012-03
Publication Date (W3CDTF): 2012-03
Alternative Title: オンセイロクオンオモクテキトシタカンイムキョウシツノセッチトソノセイノウニカンスルイチコウサツ
Installation and performance assessment of a simplified anechoic chamber for speech sound recordings
Periodical title: 研究報告
No. or year of volume/issue: 55 2
Volume: 55
Issue: 2
Pages: 125-133
ISSN (Periodical Title): ISSN : 0368-5373
Text Language Code: jpn
Subject Heading: recording room,speech sound,simplified anechoic room,performance assessment
NDC: 524.96
Target Audience: 一般
Note (General): Recording rooms are generally required very small acoustic echoes and noiseness from exterior spaces. However, human beings recognize what they utter partly through acoustic echoes when they speak. In order to examine the feasibility of the achievement of the two opposite elements in a recording room, small acoustic echoes for accurate recordings and moderate echoes for natural utterances, this article set up a simplified anechoic room up to a room in Architectural Acoustic Lab. and assessed its performance. The reverberation time and the distance decay loss of sound pressure level were used as the evaluation indicators. The result showed that the reverberation time was longer than that of anechoic room, so that the speaker can utter more naturally in the recording room. However, the reverberation time was also short enough for blocking the influence of echoes. The effect of distance decay loss of the sound pressure level on the recordings was ignorable when the microphone was placed within 1.0 meter long from the speaker's mouth. These results suggest that a recording room with the 2 opposite elements, small acoustic echoes for accurate recordings and moderate echoes for natural utterances, is realistic.
Access Restrictions: 限定公開
Periodical Title (URI): URI
https://kguopac.kanto-gakuin.ac.jp/webopac/ufirdi.do?ufi_target=ctlsrh&bibid=KB00000053
Periodical Title (NCID): AN00045764
https://ci.nii.ac.jp/ncid/AN00045764
Data Provider (Database): 国立情報学研究所 : 学術機関リポジトリデータベース（IRDB）（機関リポジトリ）
https://irdb.nii.ac.jp
Original Data Provider (Database): 関東学院大学 : 関東学院大学機関リポジトリ