Which complete speaker pattern leaves the smallest pressure total beside one ear?
A plane engine is still running, yet powered headphones can make its steady drone feel smaller beside the listener's ear.
Talk about it
- Draw signed pressure values on a number line: what total do two same-sign values make?
- Why is a repeating engine hum easier to follow than a sudden clap?
- What does the soft earcup do even when its electronics are off?