CONTENTS

 1     Introduction
 2     Terminology
 3     General
 4     Method A – Immediate indication of speech volume for real-time applications
 5     Method B – Active speech level for other applications than those mentioned in method A
 6     Approximate equivalents of method B
 7     Specification
 8     Routine calibration of method-B meter
Annex  A – A method using a speech voltmeter complying with method B in network conditions