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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 ATC VOICE QUALITY INTELLIGIBILITY
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Know everything about MOS – Part 1 Wait… which MOS, exactly ?
Author icon Olivier Willi   Calendar icon Thursday, 23rd June 2022
Know everything about MOS – Part 1 Wait… which MOS, exactly ?
Voice quality measurement MOS has become a common requirement in device and network testing, but the origin and meaning of MOS can be obscured and confused. In this 4-minute video, we begin a discussi...
Malden has a new home, Opale Systems
Author icon Olivier Willi   Calendar icon Thursday, 23rd June 2022
Malden has a new home, Opale Systems
Malden becomes Opales Systems, but theSpeech Quality Assessment products MultiDSLA and MetricServer don't change After 20 years deliveringthe best-performing speech quality measurement systems to netw...
Wideband or Narrowband?
Author icon Olivier Willi   Calendar icon Thursday, 23rd June 2022
Wideband or Narrowband?
Phone services have seen an extension of the upper limit of audio frequency from the traditional 3.4kHz of PSTN to 7.5kHz for wideband. VoLTE and 4G services using AMR can be wideband. OTT or desktop ...
Extending the Field Test Programme Indoors
Author icon Olivier Willi   Calendar icon Thursday, 23rd June 2022
Extending the Field Test Programme Indoors
A consistent GPS signal is vital to successful Field Tests. Malden’sTime Sync Management techniques minimise the effects of any GPS signal loss by ensuring that DSLA units maintain sufficient time syn...
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