Summary

This Recommendation is intended to define interactive evaluation methods for quantifying the impact of coding artifacts and transmission delay on point-to-point or multipoint audiovisual communications. This methodology is based upon conversation opinion tests, and can be considered to be an extension of the methods defined in, Annex A/P.800.

The following points will be taken into account in the subsequent clauses:

–           tasks to be proposed to the assessors;

–           methods and experimental design;

–           questionnaires.