懂车帝大规模汽车声学评价栏目上线，国产品牌音响效果全面赶超合资

Core Insights - The article highlights the increasing importance of cabin quietness and in-car audio systems as core elements defining the comfort of the "mobile third living space" for consumers [1][6] - The launch of the "Dongche Voice Academy" by Dongche Di aims to help consumers better understand vehicle sound insulation levels and audio technology [1][6] - Results from tests on 50 popular models indicate that domestic electric vehicles excel in acoustic performance, surpassing or matching international brands in key metrics [1][3] Group 1: Testing and Results - The program evaluated 50 mainstream models, covering joint ventures, luxury overseas brands, and domestic brands, providing a comprehensive assessment of acoustic performance [3][4] - 80% of the five-star rated models were from domestic brands, with 14 out of 15 four-star models also being domestic, showcasing the maturity of domestic manufacturers in acoustic tuning [3][4] - The top eight models for driving noise were all domestic, with over 90% of models maintaining driving noise below 50 dBA, which is considered the optimal range for human hearing comfort [3][4] Group 2: Comparative Performance - The Yangwang U8 demonstrated outstanding dynamic noise insulation, while the Xiaomi YU7 ranked first in static insulation, indicating that domestic models can compete with luxury brands [4][6] - Brands like Xiaomi, Lynk & Co, and BYD have made significant investments in sound insulation materials and acoustic design, achieving sound quality comparable to traditional luxury brands [4][6] Group 3: Consumer Insights - The testing results provide valuable references for consumers when selecting vehicles based on audio quality and quietness [6][7] - The relationship between vehicle price and audio performance is not absolute, as demonstrated by the Lynk & Co 900, which offers high-quality audio at a lower price point [6][7] - The core value of in-car audio systems lies in technical adaptation and meeting consumer needs, rather than just the number of speakers or power ratings [7]