In recent years, car manufacturers have consistently upgraded the audio systems of their vehicles, with audio aficionados adding further modifications to them. The acoustics of the vehicle cabin and the sound effects of the audio systems have become one of the most important topics of the Research and Development Departments of manufacturers. For example, Tesla has implemented different spatial audio algorithms in its models to achieve a better listening experience. By capitalizing on impulse responses, binaural audio technology provides the opportunity and the flexibility to virtually generate the sound effects of a particular space without the requirement of physically being in that space. We used binaural technology and a Tesla Model 3 vehicle to develop a standardized procedure for the evaluation of car audio systems. A perceptual listening test was integrated into this study to verify the procedure and to further evaluate the audio system of the Tesla Model 3.
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