Don’t use more than 10s of speech in narrowband mode. For long recordings of, say, 32 seconds POLQA can show a drop in score of around 1.1 compared to the average of four 8s measurements.
LinkedIn Twitter Facebook Google+ Weibo VKontakte Viadeo Flipboard SkypeOver the last few months a number of bugs have been found and fixed in POLQA. These have been published in ITU Recommendation P.Imp863. Why a new Recommendation? This is standard practice in the ITU. Rather than reissuing the original recommendation the bug fixes are published in an implementer’s guide. The new recommendation …
In this how-to we explain how adjusting the level at which we run the test significantly influences the measured speech quality of the connection.
MultiDSLA includes a programmable interface to control the configuring and scheduling of tests along with the extraction of results. This tutorial demonstrates how simple it is to get started.