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High-Quality Testing Solution Meeting the 3GPP TS 26.131/132 Release 17 Requirements

HEAD acoustics offers the only comprehensive, single-source test solution for Release 17 of the 3GPP specification TS 26.131/132 – the essential specification for audio quality in telecommunication.

The new release defines test methods and requirements for headset interfaces to ensure high audio quality even if the user does not operate the headset included in their phone's scope of delivery. It also adds an iterative procedure to determine the Ear Cap Reference Point (ECRP) for handsets with non-traditional earpieces, e.g., smartphones with under-display actuators.

Comprehensive and unique

With the handset positioner HHP IV, the headset interface box HIB I for analog connections, labCORE, and the labCORE extensions coreBT2 for Bluetooth® and coreUSB-DR for USB connections, HEAD acoustics is currently the only measurement technology manufacturer offering a comprehensive, high-quality testing solution for any headset connection.

For example, until now, devices with under-display actuators could not be measured according to the existing standard because, in that standard, the loudspeaker served as the reference point for clamping to the artificial head. The new process now includes many acoustic measurements at specific positions. The unique motorized HEAD acoustics handset positioner HHP IV is the ideal solution to conduct these measurements quickly, precisely, and reliably.

From a single source

HEAD acoustics harmonizes the components of its measurement and testing ecosystem perfectly with each other. Using such a single-source solution without additional third-party units provides reliable, high-quality results with unrivaled ease of use.

We make your testing real-life-proof – talk to us!

More information on the labCORE ecosystem

HEAD acoustics labCORE

HEAD acoustics HHP IV

HEAD acoustics HIB I

HEAD acoustics coreUSB-DR

HEAD acoustics coreBT2


About HEAD acoustics

HEAD acoustics GmbH is one of the world's leading companies offering holistic solutions for sound and vibration analysis. In the telecom sector, the company enjoys global recognition due to the expertise and pioneering role in the development of hardware and software for the measurement, analysis and optimization of voice and audio quality as well as customer-specific solutions and services. HEAD acoustics' range of services covers sound engineering for technical products, investigation of environmental noise, speech quality engineering as well as consulting, training and support. The company from Herzogenrath near Aachen has subsidiaries in China, France, Italy, India, Japan, South Korea, the UK and the USA as well as numerous sales partners worldwide.


HEAD acoustics GmbH
Ebertstr. 30a
D-52134 Herzogenrath

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