As vehicles evolve into software-defined, connected environments, engineers face increasing challenges in optimizing the occupant experience delivered by advanced audio, communication, and acoustic control systems. Conventional measurement microphones accurately capture sound pressure but do not account for how sound is modified by the human head, torso, and outer ear before reaching the listener. This creates a gap between engineering measurements and real-world perception.

AutoKEMAR is an automotive-specific Head and Torso Simulator (HATS) designed to bridge this gap by transforming human auditory perception into objective, repeatable engineering data. Combining anatomically accurate head, torso, and pinna geometries with precision measurement transducers, AutoKEMAR captures binaural acoustic data that closely represents how vehicle occupants experience sound. The resulting measurements enable engineers to evaluate and optimize immersive audio systems, voice assistants, hands-free communication, active noise control, warning signals, vehicle sound design, speech intelligibility, and overall in-cabin acoustic performance.

The key innovation of AutoKEMAR is that it was designed specifically for automotive applications rather than adapted from traditional laboratory-based HATS platforms. Unlike conventional solutions, AutoKEMAR incorporates an articulated seat-mount system that allows precise adjustment of occupant height, seat distance, torso inclination, viewing angle, and head orientation. This enables engineers to reproduce a wide range of realistic occupant positions, including different driver sizes, passenger postures, relaxed seating configurations, and emerging use cases associated with entertainment-focused and semi-autonomous vehicles. The fixture can be securely mounted using vehicle ISOFIX attachment points, enabling realistic and highly repeatable measurements directly inside the vehicle cabin.

The platform further advances the state of the art through its modular and user-reconfigurable architecture. Ear simulators, microphones, and pinnae can be exchanged within minutes, allowing a single system to support applications ranging from sound-quality evaluation and telecommunications testing to acoustic research and product benchmarking. An optional integrated mouth simulator enables realistic speech reproduction within the vehicle cabin, allowing objective evaluation of voice-control systems, occupant microphones, hands-free communication technologies, and speech intelligibility.

AutoKEMAR supports testing throughout the vehicle development cycle, including laboratory characterization, vehicle benchmarking, wind-tunnel evaluations, dynamometer testing, and on-road validation. Its robust, rattle-free design and secure mounting system allow measurements in environments that are often impractical for conventional HATS solutions.

From a manufacturing perspective, AutoKEMAR builds upon the proven GRAS KEMAR platform and established precision transducer technologies successfully deployed worldwide for decades. Its modular design supports scalable production, efficient customization, straightforward servicing, and long-term adaptability. The technology has already been implemented by automotive manufacturers, suppliers, and test laboratories, demonstrating both technical feasibility and commercial readiness.

The market opportunity is driven by growing demand for premium in-cabin experiences, intelligent voice interfaces, immersive audio systems, electric vehicles, and increasingly sophisticated acoustic performance targets. By bridging the gap between acoustic measurements and human perception while enabling realistic in-vehicle positioning and testing, AutoKEMAR establishes a new benchmark for automotive acoustic development and validation.