Benchmarking Report (AVAS Global Auditory Evaluation) for Sale
Test vehicle: BYD Seal / Xiaomi SU7

This report provides a cross-sectional comparison of evaluation trends across countries, and analyzes and organizes directions for improvement by focusing on the relationship between the results of actual sound perception evaluations and frequency characteristics. The results of this analysis will be offered as a product.
This analytical document organizes how sound is perceived in the global market and provides external insights to facilitate discussions across departments based on shared assumptions.

The report links the country, vehicle type, and audio file.

The left figure shows a two-axis evaluation plane comparing the average values of all panels across five countries for seven types of proximity warning sounds. The right figure shows the country-specific preference rankings for the seven types of proximity warning sounds. In both cases, it is clear that there are distinctive characteristics in the evaluation process depending on the country.

Analysis report author: Koji Ishida, PhD (Director, Sound One)

A sample of the analysis report is available on note.

Ono Sokki Co., Ltd. (hereinafter referred to as "the Company") will deliver the results of measurements taken using its own proprietary methods on commercially available vehicles, as well as secondary products such as test reports created based on those measurement results. (Hereinafter referred to as "delivered products.")
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Last updated: 2026/02/10