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HMS II.3: HEAD acoustics artificial head measurement system fully capable for super-wideband testing

08-14-2017 04:07 PM CET | Media & Telecommunications

Press release from: HEAD acoustics GmbH

HMS II.3: Artificial head measurement system by HEAD acoustics

HMS II.3: Artificial head measurement system by HEAD acoustics

In more and more applications, super-wideband technology plays an increasingly important role: The upcoming generation of VoLTE mobile phones as well as already established voice messenger systems such as SkypeTM or Apple FaceTime® support super-wideband. In order to test corresponding terminals accordingly, high-performance measurement equipment is essential. With HMS II.3, HEAD acoustics provides a high-quality artificial head measurement system, comprising ear simulator and artificial mouth, which is fully capable for super-wideband testing in sending and receiving direction. In its basic version, the artificial head is equipped with an artificial mouth and with an impedance simulator in the right ear – optionally also the left ear can be equipped with an ear simulator. HMS II.3 complies with all relevant international standards.

Artificial head measurement system transmits real speech equalized up to almost 20 kHz
The artificial mouth of the HMS II.3 transmits real speech equalized at least up to almost 20 kHz. Considering the frequency range of real speech signals, the mouth of the artificial head measurement system is able to play back the complete spectrum of human voice for all relevant levels with low distortion. This is a main feature to enable super-wideband measurements in sending direction. With the help of the communication quality analysis system ACQUA, the artificial mouth can be comfortably equalized via a digital FIR filter which is tuned by an automated and fast equalization process.

About HEAD acoustics – Telecom Division
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 France, Great Britain, Japan, South Korea and USA 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, 3GPP, 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.

HEAD acoustics GmbH
Eberstraße 30 a
52134 Herzogenrath
Germany

Steffen Scholz (Marketing & PR Telecom)
Mail: marketing-telecom@head-acoustics.de
Fon: +49 2407 577-0

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