Recommendation ITU-T P.833.2 (05/2024) Methodology for the derivation of equipment impairment factors from subjective listening-only tests for fullband speech codecs
Summary
History
Keywords
FOREWORD
Table of Contents
Introduction
1 Scope
2 References
3 Definitions
     3.1 Terms defined elsewhere
     3.2 Terms defined in this Recommendation
4 Abbreviations and acronyms
5 Conventions
6 Selection of experiment parameters
     6.1 Reference conditions for fullband speech codecs without transmission errors
     6.2 Reference conditions for fullband speech codecs with transmission errors
7 Test method
8 Derivation of fullband equipment impairment factors
     8.1 Scale transformation (step 1)
     8.2 Linear interpolation of the test results (step 2)
     8.3 Additivity check (step 3)
     8.4 Derivation of Ie,FB values for transmission error conditions (step 4)
     8.5 Additivity check (step 5)
9 Application of the derived fullband equipment impairment factor values
Bibliography