EXPERIMENTAL STUDY ON EVALUATION OF EFFECT OF REVERVERATION AND NOISE ON SPEECH INTELLIGIBILITY ON ROOMS

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  • 残響・騒音の音声聴取に及ぼす影響の評価に関する実験的検討
  • ザンキョウ ソウオン ノ オンセイ チョウシュ ニ オヨボス エイキョウ ノ

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The purposes of this paper are to show the problems associated with articulation tests by comparing the results of trisyllable articulation test, mono-syllable articulation tests with and without continuous maskers, psychological measurement and STI (Speech Transmission Index), and to know the difference of them. The results of this study are as follows : 1. The tri-syllable articulation tests can distinguish the effects of noise and that of reverberation on speech intelligibility. 2. The mono-syllable articulation test with continuous maskers has high sensitivity in reverberation field. 3. STI has a good relation with audibility in the experimental fields. 4. There is a difference between articulation and audibility.

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