Olivier WILLI Application Focus: VPP+ for Enhanced Voice Services (EVS) This month’s Application Focus discusses the evolution of the EVS codec and two use cases applicable to wireless network operators. We begin with a short reminder of what EVS is, how it is being adopt...
Olivier WILLI Customize MultiDSLA Results MultiDSLA system : 180 measurements and indicators! Interesting fact:a fully-equipped MultiDSLA system canoutput morethan 180 measurements and indicators! Now, you really don't want all of them at the...
Olivier WILLI Bring the Power of POLQA PESQ and PEAQ to your Quality Optimization Process Opale Systems MetricServer platform evolves The latest additions and enhancements to the Opale Systems MetricServer platform bring the power of ITU POLQA, PESQ, and PEAQ standardized metrics to any or...
Olivier WILLI Application Focus: Push-to-Talk (PTT) Application Focus:MultiDSLA system In this new series, we highlight some of the applications of the MultiDSLA system. The goal is to build a concise and practical guide to the many applications in whi...
Olivier WILLI Case Study: Tier 1 North American Mobile Operator Robotic Testing Revolution: Enhancing Device Quality Assurance for North American Mobile Operator One of our North American Mobile Operator customers had been using MultiDSLA systems for several years...
Olivier WILLI POLQA vs PESQ – “Why does PESQ give a lower score?” Do I really need POLQA? The question is understandable, as the cost of POLQA can be a bit higher than the cost of PESQ. MultiDSLA customers recognize great value and sometimes want to pursue it to the...
Olivier WILLI Troubleshooting Voice Quality When a quick dash for MOS is not enough The task Sometimes that quick dash to fill out a spreadsheet with mean opinion scores (MOS) won't be enough. OK, we understand, your manager wants a report on t...
Olivier WILLI Voice Quality Assessment for VoLTE Devices VoLTE device manufacturers' challenge Modem chipset designers and cellular device manufacturers need to characterize the performance of their products. Not just under ‘ideal’ network conditions, but a...
Olivier WILLI Best Practice #1 : Monitor your WAN Performance Monitor your WAN Performance is the second article of our "Lose the frustration and regainc Visibility and control" article series. In the first episode we introduced 5 Best Practices applied in the r...
Olivier WILLI 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 ...
Olivier WILLI Network Engineers: Lose The Frustration And Regain Visibility and Control This article depicts why and how enterprise network teams have seen their working environment totally transformed and become so complex in the past years. It then introduces 5 Network Engineer's best ...
Olivier WILLI POLQA & PESQ – Know everything about MOS – Part 2 POLQA or PESQ? In this second episode of "Do you really know everything about MOS?" video series, we explore in more details ITU PESQ and POLQA MOS algorithms and related test methodologies. You will ...
