Know everything about MOS – Part 3: Reference Speech Files

Selecting reference speech files

In this third episode of the "Do you really know everything about MOS" video series, we explain how to select the right reference voice files for POLQA and PESQ voice quality tests. You will also learn how to check the ITU compliance of the reference speech files you actually use. There are 16 ITU requirements. ( See P.863 ) Check it out, you might be surprised!

Did you notice the previous episodes?

Part 1: What MOS really means


Part 2: When to choose PESQ or POLQA

Voice Quality Assessment for VoLTE Devices