The effect of ambient noise on speech in
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T. Houtgast
📂
Article
📅
1981
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Elsevier Science
🌐
English
⚖ 519 KB
Intelligibility tests were performed by teachers and pupils in classrooms under a variety of (road traffic) noise conditions. The intelligibility scores are found to deteriorate at (indoor) noise levels exceeding a critical value of -15 dB with regard to a teacher's long-term (reverberant) speech le