How Manufacturers Limit Tire Noise Output

… More than ever, low tire noise is a feature consumers pay attention to when shopping for new tires, especially with the growing number of EV owners. Manufacturers have adapted, focusing efforts on noise-canceling technology and design features.

Tread design, for example, affects the amount of noise the tire generates. Tread blocks are raised sections on the tire’s surface, and the number of these blocks around the tire’s circumference influences the noise output. Tires with larger tread blocks and fewer pitches create less space or “void” between blocks, resulting in less noise. …

Source: Tire Review