High-frequency Head and Torso Simulator Type 5128

High-frequency HATS with Handset Positioner - 5128-D

High-frequency Head and Torso Simulator (HF HATS) provides unprecedented realism, for electroacoustic testing of smart devices and speakers, audio conferencing devices, microphones, headphones, and hearing aids.

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High-frequency Head and Torso Simulator (HATS) Type 5128 family, with built-in realistic ear and mouth simulators, provide a realistic reproduction of the acoustic properties of an average adult human head and torso. High-frequency HATS is designed for in situ electroacoustics tests and can cover the full audible frequency range (up to 20 kHz).

Includes Handset Positioner Type 4606. The handset positioner enables a smartphone to be precisely positioned on the HATS. This results in easier test set-ups and better data quality from electroacoustic tests

Type 5128 complies with ITU-T Rec. P.58, IEC 60318-7 and ANSI S3.36-1985

Type 5128 and ear simulator Type 4620 have been approved by ITU-T as standardized solutions for the requirements of P.57 (ear simulator standard) and P.58 (HATS standard), meaning that they can now be used for statutory approval of communication devices, such as mobile phones, for use in mobile phone networks.

Type 4620 ear simulator forms the basis of a new standard ear simulator type 4.3 and uniquely allows accurate human ear impedance loading up to 20 kHz.

Another notable feature of the type 4.3 ear simulator is that the full average ear canal geometry has been defined and specified in the standard. This allows better evaluation of the physical shape of products inserted into the ear, such as ear buds and hearing aids.

The design of Type 4620 is a complete revision of the previous type 3.3 ear simulator based on extensive studies involving multiple human subjects and correlating ear canal geometries and acoustic impedance measurements. The result is a revision of the average human response over the entire frequency range, not just the previously undefined high frequency region above 8 kHz.

The result is much more realistic evaluations of audio performance as perceived by humans.

The full information about the new standard can be downloaded from the ITU-T website. For the ear simulator standard in P.57 click here, and for the HATS Standard in P.58 click here.

Testing of smartphone audio performance in relation to national and international standards for communication quality. This includes testing of mobile and wireless handsets

File	Description	Type	Languages	Size
High-frequency Head and Torso Simulator Type 5128 Family		Technical Document	English	1 MB

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High-frequency HATS with Handset Positioner - 5128-D

Type 5128 complies with ITU-T Rec. P.58, IEC 60318-7 and ANSI S3.36-1985

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