Speaker comfort and increase of voice level in lecture rooms

Publication: Research - peer-reviewJournal article – Annual report year: 2008

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Speaker comfort and increase of voice level in lecture rooms. / Brunskog, Jonas; Gade, Anders Christian; Bellester, G P.

In: Acoustical Society of America. Journal, Vol. 123, No. 5, 2008, p. 3498-3498.

Publication: Research - peer-reviewJournal article – Annual report year: 2008

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Brunskog, Jonas; Gade, Anders Christian; Bellester, G P / Speaker comfort and increase of voice level in lecture rooms.

In: Acoustical Society of America. Journal, Vol. 123, No. 5, 2008, p. 3498-3498.

Publication: Research - peer-reviewJournal article – Annual report year: 2008

Bibtex

@article{cd7b623c266748fdb96524ec6a0e2cdd,
title = "Speaker comfort and increase of voice level in lecture rooms",
publisher = "Acoustical Society of America",
author = "Jonas Brunskog and Gade, {Anders Christian} and Bellester, {G P}",
note = "Copyright (2008) Acoustical Society of America. This article may be downloaded for personal use only. Any other use requires prior permission of the author and the Acoustical Society of America.",
year = "2008",
doi = "10.1121/1.2934367",
volume = "123",
number = "5",
pages = "3498--3498",
journal = "Acoustical Society of America. Journal",
issn = "0001-4966",

}

RIS

TY - JOUR

T1 - Speaker comfort and increase of voice level in lecture rooms

A1 - Brunskog,Jonas

A1 - Gade,Anders Christian

A1 - Bellester,G P

AU - Brunskog,Jonas

AU - Gade,Anders Christian

AU - Bellester,G P

PB - Acoustical Society of America

PY - 2008

Y1 - 2008

N2 - Teachers often suffer health problems or tension related to their voice. These problems may be related to there working environment, including room acoustics of the lecture rooms which forces them to stress their voices. The present paper describes a first effort in finding relationships between the objectively measurable parameters of the rooms and the objective voice power produced by speakers. In rooms with different sizes, reverberation time and other physical attributes, the sound power levels produced by six speakers where measured while giving a short lecture. Relevant room acoustic parameters were also measured in the rooms and subjective impressions from about 20 persons who had experience talking in these rooms were collected as well. Analysis of the data revealed significant differences in the sound power produced by the speaker in the different rooms. It was also found that these changes were mainly related to the size of the room and to the gain or support produced by the room. To describe this quality, a new room acoustic quantity called 'room gain' is proposed.

AB - Teachers often suffer health problems or tension related to their voice. These problems may be related to there working environment, including room acoustics of the lecture rooms which forces them to stress their voices. The present paper describes a first effort in finding relationships between the objectively measurable parameters of the rooms and the objective voice power produced by speakers. In rooms with different sizes, reverberation time and other physical attributes, the sound power levels produced by six speakers where measured while giving a short lecture. Relevant room acoustic parameters were also measured in the rooms and subjective impressions from about 20 persons who had experience talking in these rooms were collected as well. Analysis of the data revealed significant differences in the sound power produced by the speaker in the different rooms. It was also found that these changes were mainly related to the size of the room and to the gain or support produced by the room. To describe this quality, a new room acoustic quantity called 'room gain' is proposed.

U2 - 10.1121/1.2934367

DO - 10.1121/1.2934367

JO - Acoustical Society of America. Journal

JF - Acoustical Society of America. Journal

SN - 0001-4966

IS - 5

VL - 123

SP - 3498

EP - 3498

ER -