Purchase a VPP upgrade with 1-Year Maintenance Now and save up to $2 460 ! If you are MultiDSLA user with one or more of our good old “sVN” (Scalable Virtual Nodes) or an even earlier version, then this promotion has been made just for you! Until June 30th 2017, you can purchase the upgrade […]
Category Archives: Latest News
Product qualification for local audio streaming has become more critical than ever Under ideal conditions, the streaming process has no effect on the music or voice listening experience, which is governed by the codec used, the quality of the transducers and their enclosures, and the expectation of the user. Under non-ideal conditions however, the streaming […]
Today, we are proud to announce the first new release since Opale Systems took over Malden business. In addition to a number of bug fixes, and resolution of some stability issues, this release particularly incorporates 2 new features long awaited by many MultiDSLA users. → Register and get your update now! New Audio Streaming Integrity […]
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 […]
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 […]
We are pleased to announce that Nichecom has agreed to distribute our speech quality measurement systems in New Zealand. With offices in Tawa, Wellington, Nichecom offers and supports a wide range of telecommunication test and measurement products which complement our systems. www.nichecom.co.nz
We are pleased to announce that Chaintel Technologies has agreed to distribute our speech quality measurement systems in Taiwan. Long established, with offices in Neihu, Chaintel offers and supports a wide range of telecommunication test and measurement products which complement our systems. www.chaintel.com.tw
Field Tests can be performed, even if the GPS signal is intermittent, with Malden’s time sync management. Continue the drive test or walk test in tunnels, shopping malls and woodland.
Identify bandwidth differences in mixed networks with MultiDSLA and POLQA speech quality measurements
The second article in a series looking at the new version of ITU-T Rec. P.863 POLQA. Speaker dependency in the Narrowband Model is the focus here.