Lab

Are you developing a new voice device, determining how a product inter-operates with your network, or investigating a customer complaint at one of the major service providers in the world? MultiDSLA has been providing performance analysis for engineers in the lab with incredible resolution, clarity and flexibility for many years.


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MetricServer

MetricServer provides easy access to speech and music quality measurements on reference and degraded file pairs. Metrics include ITU-T Recommendations P.862.1/2 PESQ, P.863 POLQA, BS 1387 PEAQ plus P.56 Speech Level, Echo and Delay, DTMF Analysis.


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Drive test

Mobile communications add additional challenges in the delivery of good call quality. With MultiDSLA you exhaustively test cell phones and radio systems in the lab. Then using the same tool you can establish a cost-effective drive test system for extending investigations out into the real-world.


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Network

Are you responsible for ensuring the voice quality offered across your network, targeted at meeting SLAs for specific customers or helping resolve customers’ problems quickly and efficiently? MultiDSLA offers a range of features to help you understand how your network is performing, when and where there are problems and drill-downs to understand specific causes.


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Introduction

Opale Systems (formerly Malden) delivers reference speech quality measurement systems to the telecommunications community. With carefully designed interfaces to VoIP, mobile, satellite and wireline networks, our products are used to define and confirm performance standards all over the world.

Opale Systems - Malden products are used by:

  • Network operators for product evaluation, benchmarking and service level agreement confirmation
  • Handset manufacturers in development and product qualification
  • Mobile infrastructure manufacturers and integrators in system capability verification
  • IP network equipment makers for development and regression testing
  • Enterprises managing international voice networks

Latest news

Malden has a new home, Opale Systems

After 20 years delivering the best-performing speech quality measurement systems to network operators, infrastructure and handset manufacturers, Kevin Cross, CEO of Malden Electronics Ltd., decided it was time to hang up his famous DSLA and retire. Opale Systems, a J3TEL business unit, is now the new home of the respected Malden Speech Quality Assessment products MultiDSLA […]

Posted on: December 27th, 2016 | Categories: Latest News

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 applications can be 12kHz or up to super-wideband. Conferencing services may even be full-band.   How do you know whether […]

Posted on: May 4th, 2016 | Categories: Latest News, New Releases

MetricServer v1.2.0 released with POLQA v2.4

MetricServer v1.2.0 released with POLQA v2.4 and SQL 2012

Posted on: December 22nd, 2015 | Categories: New Releases