SummaryThis 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. |