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Opale Technical Blog
Deep insights, practical solutions, and expert analysis for tech enthusiasts.

Opale Technical Blog

Welcome to our technical blog, where innovation meets practical application. We explore the latest technologies, provide in-depth analyses, and share hands-on solutions for real-world challenges. Whether you're a seasoned expert or an enthusiastic learner, you'll find valuable insights here and don’t hesitate to contact us with your questions or feedback.

PESQ MCPTT POLQA PTToC Push To Talk Monitoring PEAQ SaaS Voice Quality AMR EVS LTE MultiDSLA SIP VPP VoIP VoNR API Bluetooth MOS Metric Server DSLA Latency IVR ANALOG VOIP NR USBC
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Measuring Speech Quality across Mixed Networks
Author icon Olivier Willi   Calendar icon Thursday, 23rd June 2022
Measuring Speech Quality across Mixed Networks
Users of VoLTE phones expect wideband speech. Of course, if the other end of the call is PSTN, 2G or 3Gnarrowband then their experience will not meet expectations. The planned or unexpected tendency f...
POLQA v2.4 – Notes on the Upgrade’s Behaviours (Part 2)
Author icon Olivier Willi   Calendar icon Thursday, 23rd June 2022
POLQA v2.4 – Notes on the Upgrade’s Behaviours (Part 2)
Comparing Performance Differences between ITU-T Rec. P.863 v2.4 and v1.1 for Speech Quality Metrics ITU-T Rec. P.863 v2.4 works rather differently from v1.1. Many aspects of the algorithm have been mo...
Tek Signals Appointed as Distributor in UAE
Author icon Olivier Willi   Calendar icon Thursday, 23rd June 2022
Tek Signals Appointed as Distributor in UAE
New partner for Opale Systems : Tek Signals Opale Systems (formerly Malden) is delighted to announce its partnership with Teck Signals. We are pleased to announce that Tek Signals has agreed to distri...
A look at Skype VoLTE (Voice over LTE)
Author icon A look at Skype VoLTE (Voice over LTE)   Calendar icon Thursday, 23rd June 2022
A look at Skype VoLTE (Voice over LTE)
How Skype maintains speech continuity? There is much talk about LTE and OTT apps. Skype is one such app and we made some measurements using two iPhones connected to LTE and WiFi. Speech signals were a...
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