PEAQ Audio quality headphones Bang

Measure Music Quality using ITU PEAQ

spersyn How-to

Many devices, including cellphones, now have mp3 players or similar music replay capabilities. Assessing the quality of the replay is important in product development, production and a factor in cellphone selection. Here’s how to do it with MultiDSLA.

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New Features in MultiDSLA – Smartphone Control

spersyn Company News, New Releases

Smartphone Control – A new option in MultiDSLA for managing mobile phone testing. The initial release supports Android; Blackberry, Windows and IOS support will follow. Automating mobile phone call set-up and teardown using the phone’s handsfree pushbutton and inbuilt facilities can be complicated. Smartphone Control simplifies the process and provides some useful data from the phone. Download an app from …

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Background to the P.863 POLQA Bug Fixes

spersyn In More Depth, Lab

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. The MultiDSLA v4.3.2 and subsequent versions …

PEAQ Audio quality headphones Bang

PEAQ added to MultiDSLA v4.3

spersyn New Releases

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.

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Measure cellphone mp3 audio performance

spersyn How-to

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.

Malden at 4G World in Chicago 25-27 October

spersyn Company News

Malden will be on stand 824 at 4G World this month in Chicago. We will be pleased to give you an overview of how the industry leading MultiDSLA system uses the new metric – ITU-T P.863 POLQA – to provide meaningful measurements across a variety of technologies including 2G, 3G, 4G, LTE and VoIP. Some of the main capabilities of the MultiDSLA that …