Table of Contents

Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Instrumentation
5 Frequency range
6 General
7 Default procedure for sound pressure level
   measurement
8 Low-frequency procedure for sound pressure
   level measurement
9 Background noise (default and low-frequency
   procedure)
10 Reverberation time in the receiving room
   (default and low-frequency procedure)
11 Conversion to octave bands
12 Recording results
13 Uncertainty
14 Test report
Annex A (normative) - Requirements for
         loudspeakers
Annex B (informative) - Forms for recording
         results
Annex C (informative) - Additional guidance
Annex D (informative) - Horizontal measurements - Examples
         of suitable loudspeaker and microphone positions
Annex E (informative) - Vertical measurements - Examples
         of suitable loudspeaker and microphone positions
Bibliography

Abstract

Defines procedures to determine the airborne sound insulation between two rooms in a building using sound pressure measurements.

General Product Information

Published
Document Type	Standard
Status	Current
Publisher	International Organization for Standardization
Pages
ISBN
Committee	TC 43
Supersedes	ISO 140-5 : 1998 ISO 140-7 : 1998 ISO/DIS 16283-1 : 60.00 (2013) ISO 140-4 : 1998 ISO 140-14 : 2004