GRAS adds IEEE standard to ear simulator platforms

Acoustic testing equipment maker GRAS has announced that it has added Transducer Electronic Data Sheet (TEDS) functionality into all of its ear simulator test platforms.

TEDS is part of an IEEE standard for adding plug-and play-capabilities to analog transducers.

A TEDS data sheet contains the critical information needed by an instrument or measurement system to identify, characterize, interface, and properly use the signal from an analog sensor.

According to GRAS, all of its CCP-based GRAS ear simulator sets and all 45CC Acoustic Test Fixtures (including LEMO-based configurations) will now be delivered with TEDS. This includes KEMAR, 45CA Headphone and Hearing Protector Fixtures, and Acoustic Test Fixtures 45CC, as well as most of the Artificial Ear 43Ax line.

GRAS said that the addition of TEDS will allow users of ear simulators easy access to calibration data, making it easier for them to read and check the type, serial number, sensitivity and last calibration data in the ear-simulator systems, identify the “Left” and “Right” channels, and use this information for documentation or application purposes.

The standardized TEDS format also means that any test and measurement setup with analyzers supporting TEDS can be more easily synced with GRAS’ couplers, ear simulators, and head and torso systems.

Niels Kjaergaard, VP Business Development at GRAS Sound & Vibration: “An important part of our innovation is improving ease of use for our customers. Adding TEDS-enabled microphones to so many simulator platforms is a great enhancement to workflow and total system ease of use.”