TR 103 138-2014
Speech and multimedia Transmission Quality (STQ); Speech samples and their use for QoS testing (V1.2.1; Includes Diskette)

Standard No.

TR 103 138-2014

Release Date

2014

Published By

ETSI - European Telecommunications Standards Institute

Status

Be replaced 2016-09

Replace By

TR 103 138-2015

Latest

TR 103 138-2016

Scope

The present document introduces and explains the use and application of speech samples to determine the objective listening quality (LQO) in narrowband (NB)@ wideband (WB) and super-wideband (SWB) for different scenarios such as connections between fixed networks and mobile terminals.

TR 103 138-2014 history

• 2016 TR 103 138-2016 Speech and multimedia Transmission Quality (STQ); Speech samples and their use for QoS testing (V1.4.1; Includes Diskette)
• 2015 TR 103 138-2015 Speech and multimedia Transmission Quality (STQ); Speech samples and their use for QoS testing (V1.3.1; Includes Diskette)
• 2014 TR 103 138-2014 Speech and multimedia Transmission Quality (STQ); Speech samples and their use for QoS testing (V1.2.1; Includes Diskette)
• 2013 TR 103 138-2013 Speech and multimedia Transmission Quality (STQ); Speech samples and their usage for QoS testing (V1.1.1; Includes Diskette)