Table of Contents

Foreword <br>Introduction <br>1 Scope<br>2 Normative references <br>3 Terms and definitions <br>4 Allowable deviations from inverse square law<br>5 Measurement of free sound field performance<br>Annex A (normative) - Qualification criteria and <br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;measurement requirements<br>Annex B (normative) - General procedure for evaluation <br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;of sound source directionality<br>Annex C (informative) - Measurement uncertainty<br>Annex D (informative) - Guidelines for referring to <br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;this test method<br>Bibliography

Abstract

Describes methodology for qualifying acoustic spaces as anechoic and hemi-anechoic spaces meeting the requirements of a free sound field.

General Product Information

Published
Document Type	Standard
Status	Current
Publisher	International Organization for Standardization
Pages
ISBN
Committee	TC 43
Supersedes	ISO/DIS 26101 : 60.00 (2017)