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As a pedestrian ,were you frightened by cars' honking behind you. As a driver,is it inconvenient for you to whistle loudly in crowd. This concept design is based on a method that different position controls different size of the sound. From the middle of the steering wheel to outside, the volume gradually decreases. Press different parts for different volume. It is humane for drivers and pedestrians.When you're in a residential area, you can press the low volume zone; When you drive on the highway, you can press the high volume zone.
Jiangnan University
Wuxi, China
Jiangnan University
Wuxi, China
Wang Tong