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ETSI EG 202 396-3
M00003816
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ETSI EG 202 396-3 Speech and multimedia Transmission Quality (STQ); Speech quality performance in presence of background noise; Part 3: Background noise transmission - Objective test methods
standard by European Telecommunications Standards Institute, 06/01/2014
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ETSI EG 202 396-3 aims to identify and define testing methodologies which can be used to objectively evaluate theperformance of narrowband and wideband terminals and systems for speech communication in the presence ofbackground noise.Background noise is a problem in mostly all situations and conditions and need to be taken into account in both,terminals and networks. The present document provides information about the testing methods applicable to objectivelyevaluate the speech quality in the presence of background noise. The present document includes: The description of the experts post evaluation process chosen to select the subjective test data being within thescope of the objective methods. The results of the performance evaluation of the currently existing methods described in RecommendationsITU-T P.862 [i.16], [i.17] and in TOSQA2001 [i.19] which is chosen for the evaluation of terminals in theframework of ETSI VoIP speech quality test events [i.8], [i.9], [i.10] and [i.11].