Malden - Reference Speech Quality Measurement Systems

Enterprise

IP networks deliver quality services while keeping costs down and adding flexibility for changing business demands. The benefits promised by moving to a single IP network are now being realised, but with this move comes a risk of poor call quality. Our solutions are used by customers in the Financial, Oil, Retail and Transport industries to manage call quality and troubleshoot any inevitable hiccoughs.

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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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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

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.

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

Background to the P.863 POLQA Bug Fixes

Over the last few months a number of bugs have been found and fixed in POLQA. These have been published in ITU Recommendation P.Imp863. Why a new Recommendation? This is standard practice in the ITU. Rather than reissuing the original recommendation the bug fixes are published in an implementer’s guide. The new recommendation includes 9 fixes. [...]

Posted on: January 5th, 2012 | Categories: In More Depth

PEAQ added to MultiDSLA

MultiDSLA v4.3.0 now includes Perceptual Evaluation of Audio Quality ITU-R Rec. BS.1387. PEAQ compares a 48k reference music signal with the music replayed by a phone or MP3 player. A number of other enhancements are included in this release, including some improvements in the POLQA® implementation.

Posted on: December 8th, 2011 | Categories: New Releases

Measure cellphone mp3 music performance

MultiDSLA is well known for its speech-based measurements but it also supports the tone-based and other measurements used traditionally to assess telephony performance. These features are contained in the Telephone Tester option and can now be used with a 48k sample rate DSLAII to measure the performance of music playback. Wireless operators, handset manufacturers and [...]

Posted on: December 3rd, 2011 | Categories: How-to