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ETSI TR 103 138

M00003636

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ETSI TR 103 138 Speech and multimedia Transmission Quality (STQ); Speech samples and their use for QoS testing

standard by European Telecommunications Standards Institute, 03/01/2015

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ETSI TR 103 138 introduces and explains the use and application of speech samples to determine the objectivelistening quality (LQO) in narrowband (NB), wideband (WB) and super-wideband (SWB) for different scenarios suchas connections between fixed networks and mobile terminals.