IEEE 661 : 1979
Withdrawn
Withdrawn
METHOD FOR DETERMINING OBJECTIVE LOUDNESS RATINGS OF TELEPHONE CONNECTIONS
Published date
01-01-1979
Withdrawn date
10-17-2023
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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)
Describes a practical and reproducible method of determining the loudness ratings of telephone connections.
| DocumentType |
Standard
|
| PublisherName |
Institute of Electrical & Electronics Engineers
|
| Status |
Withdrawn
|
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