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HEAD acoustics worldwide first supplier of audio test system for 3GPP TS 26.131/132 Release 12.4.0/12.6.0 validated by GCF

01-28-2016 10:03 AM CET | Media & Telecommunications

Press release from: HEAD acoustics GmbH

Screenshot of TS26131-32 in communication analysis system ACQUA

Screenshot of TS26131-32 in communication analysis system ACQUA

Release 12 is the latest version of the important 3GPP specifications TS 26.131 and TS 26.132 for LTE mobile phones. HEAD acoustics was the first test solution provider to have implemented Release 12 already in December 2014. The validation by GCF (Global Certification Forum) of the corresponding HEAD acoustics test platform (TP90) has now been achieved for Release 12.4.0/12.6.0.

Experts agree that Release 12 of the 3GPP specifications constitutes an important step forward in the global standardization of wideband-capable telecommunication devices including LTE terminals. Numerous measurements have been modified or added in order to establish a close-to-reality and forward-looking standard:

• LTE speech quality measurements have been introduced with the latest version of Release 12 and have been implemented in the latest revision of the measurement standard TS26131-32 for the HEAD acoustics communication analysis system ACQUA.
• VoLTE specific measurements require MFE IX (or another IP network simulator). The network impairments (TCN file) according to TS 26.131/132 are included in the delivery of the ACQUA measurement standard and can easily be uploaded to MFE IX.
• Configuration methods for different LTE radio testers are now available.
• The use of MFE VIII.1 as reference gateway offers considerable advantages, particular with regard to delay and jitter handling.
• Despite the added features, the price of the measurement standard has not been changed.

The new revision “Rev09_GCF_PTCRB” of the test suite TS26131-32 also comprises two new work items which have been added to the specification since the meeting CAG 44:
• Hands-free measurements (work item 196)
• VoLTE-specific measurements (work item 221)

The test suite is available for HEAD acoustics customers with valid software maintenance agreement (SMA) by download as of now. It requires the new ACQUA version 3.3.200 with ACOPT 21 (3QUEST), the corresponding standard license for TS26131-32, the background noise simulation system HAE-BGN (version 2.1.300 or later) as well as further components, cf. data sheet for TS26131-32 in the HEAD acoustics download center at

For more details on system requirements, availability and prices, please contact the HEAD acoustics Telecom sales team via

About HEAD acoustics GmbH:
HEAD acoustics was founded in 1986 and has been involved in noise and vibration, electroacoustic and voice quality testing since its inception. HEAD acoustics is based in Herzogenrath, Germany, with affiliates in USA, Japan and France as well as a world-wide network of representatives. The Telecom Division of HEAD acoustics manufactures telecom test equipment and provides consulting services in the field of speech and audio quality. Moreover, HEAD acoustics closely co-operates with DECT Forum, ETSI, ITU-T, 3GPPP, TIA CTIA, GSMA and other standardization bodies with regard to the development of quality standards for voice transmission and speech communication. In many partnership projects, HEAD acoustics has proven its competence and capabilities in conducting tests and optimizing communication products with respect to speech and audio quality under end-to-end as well as mouth-to-ear scenarios.

Thomas Berg
HEAD acoustics GmbH
Ebertstr. 30a
52134 Herzogenrath
Phone: +49-(0)2407-577-0
Fax: +49-(0)2407-577-99

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