The effect of ambient noise on speech in
β
T. Houtgast
π
Article
π
1981
π
Elsevier Science
π
English
β 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