Revised Standard from Last Update.

NATIONAL FOREWORD

This Indian Standard (Part 2) (Second Revision) which is identical with IEC 61672-2 : 2017 ‘Electroacoustics - Sound level meters - Part 2: Pattern evaluation tests’ issued by International Electrotechnical Commission (IEC) was adopted by the Bureau of Indian Standards on the recommendations of the Audio, Video and Multimedia Systems and Equipment Sectional Committee and approval of the Electronics and Information Technology Division Council.

This standard was Originally published in 2005 and was identical to IEC 61672-2 : 2003. The first revision of this standard was published in 2016 and was identical to IEC 61672-2 : 2013. The second revision of this standard aligns this Indian standard with IEC 61672-2 : 2017