...(2)Short tone response: A pulse sound is emitted from a stage in a hall, and the sound pressure response waveform (echo time pattern) at each position in the room is observed, and the presence or absence of harmful echoes and the quality of the reverberation characteristics are judged from the waveform. (3)Sound pressure distribution: In order to check the level at which the sound emitted from the stage or other source reaches the entire room, band noise is emitted and the distribution of sound pressure levels at each point in the room is measured. (4)Other: In addition to the above items, intelligibility tests are often conducted in which a dictation test is conducted in which a voice is pronounced syllable by syllable to check how clearly a speech can be heard. ... *Some of the terminology that refers to "sound pressure distribution" is listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…(2)短音応答 ホールなどのステージ上からパルス音を放射し,室内の各位置での音圧応答波形(エコータイムパターン)を観測し,その波形から有害なエコーの有無や残響特性の良否を判断する。(3)音圧分布 ステージなどから出た音が室内全体にどの程度の大きさで届いているかを調べるために,帯域雑音などを放射して室内各点の音圧レベルの分布を測定する。(4)その他 以上の項目のほかに,スピーチなどがどの程度明りょうに聞きとれるかを調べるために,音節ごとに発音した声を書取試験で調べる明りょう度試験などもよく行われる。… ※「音圧分布」について言及している用語解説の一部を掲載しています。 出典|株式会社平凡社世界大百科事典 第2版について | 情報 |
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