Table of Contents

Foreword<br>Introduction<br>1 Scope<br>2 Normative references<br>3 Terms and definitions<br>4 Reference meteorological conditions<br>5 Performance requirements<br>6 Instrumentation<br>7 Installation and operation of the<br>&nbsp;&nbsp;&nbsp;reference sound source during calibration<br>8 Calibration procedure in hemi-anechoic rooms<br>9 Calibration procedure in reverberation test rooms<br>10 Alternative calibration procedure at low frequencies<br>11 Measurement uncertainty<br>12 Information to be recorded<br>13 Information to be reported<br>Annex A (informative) - Guidance on the<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;determination of C[2]<br>Annex B (normative) - Alternative calibration procedure<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;at low frequencies<br>Bibliography

Abstract

Describes the acoustical performance requirements for reference sound sources: - temporal steadiness (stability) of the sound power output; - spectral characteristics;and - directivity.

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Published
Document Type	Standard
Status	Current
Publisher	British Standards Institution
Pages
ISBN
Committee	EH/1/4
Supersedes	14/30275192 DC : 0 BS ISO 6926 : 99 AMD 13404