What is Active Noise Cancellation in Cars?
In some cases, the sounds our vehicles make are welcome, such as the roar of a big V8 or the sound of a turbo spinning away under the hood. Not all car-related noises are as entertaining, however, and to combat them, automakers have developed technology to cancel out unwanted sounds. Known as active noise cancellation, the technology works to produce sound frequencies that "cancel out" wind, tire, and road noises.
Active noise cancellation is perfectly safe, as it doesn't block out sounds from things you need to hear, such as sirens and car horns. It also won't cancel out the happy noises. Here's a closer look at active noise cancellation and what it does.