IEEE 661 : 1979

Table of Contents

1. Introduction
2. Scope and Purpose
3. Definitions
4. References
5. Instrumental Method
   5.1 General
   5.2 Test Equipment
   5.3 Measuring System
   5.4 Calibration
   5.5 Test Procedure
6. Computational Method
Annex A Loudness Rating Method (Informative)
Annex B Weighted Acoustic Source Signal (Informative)
Annex C Weighted Electrical Source Signal (Informative)

Abstract

Describes a practical and reproducible method of determining the loudness ratings of telephone connections.

General Product Information

Published
Document Type	Standard
Status	Current
Publisher	Institute of Electrical & Electronics Engineers
Pages
ISBN