Calibration Tool for PESQ Speech Quality Tests
PESQ measurements employ a level adaptation algorithm and are hence widely insensitive to absolute level. However, if the tests are performed via a speech codec, the driving level of the codec has an influence on the MOS result. Therefore careful alignment of the level is required. This application note provides an application program which runs on the Audio Analyzer R&S UPV or R&S UPV66 and can be used to calibrate signal levels for the PESQ measurement.
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