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BS EN ISO 3382-3:2022 – TC

$186.33

Tracked Changes. Acoustics. Measurement of room acoustic parameters – Open plan offices

Published By Publication Date Number of Pages
BSI 2022 74
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PDF Catalog

PDF Pages PDF Title
1 30451744
49 A-30412483
50 undefined
54 Foreword
55 Introduction
57 1 Scope
2 Normative references
3 Terms and definitions
59 4 Measurement conditions
4.1 Equipment
4.2 Measurement procedure
4.2.1 Measurement conditions
4.2.2 Acoustic zones and measurement paths
60 4.2.3 Source and microphone positions
61 4.2.4 Measured quantities
5 Determination of single-number values
5.1 Spectrum of normal speech
5.2 Spatial decay rate of speech
5.2.1 Conventional method
64 5.2.2 Impulse response method
5.3 Speech level at 4 m distance
65 5.4 Background noise level
5.5 Speech transmission index
66 5.6 Comfort distance and distraction distance
5.7 Typical single-number values
6 Precision
7 Test report
68 Annex A (informative) Psychological reasoning of distraction distance
69 Annex B (informative) Alternative methods for determining the spatial decay rate
71 Annex C (informative) Examples of typical single-number values
72 Annex D (informative) Precision
73 Bibliography
BS EN ISO 3382-3:2022 - TC
$186.33