He was inspired initially by the efforts of car-maker Lotus who were trying to develop a system that removed unpleasant road noise, while still allowing drivers to hear emergency sirens.
他为汽车制造商莲花所启发。莲花公司当时正视图研发出一种系统，以消除路上令人不悦的噪声，同时使驾驶员依旧能够听到警笛声。
He was inspired initially by the efforts of car-maker Lotus who were trying to develop a system that removed unpleasant road noise, while still allowing drivers to hear emergency sirens.
他为汽车制造商莲花所启发。莲花公司当时正视图研发出一种系统，以消除路上令人不悦的噪声，同时使驾驶员依旧能够听到警笛声。
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