Adaptive noise cancelling

Adaptive noise cancelling (ANC) is a technology used to reduce or eliminate unwanted ambient sound, primarily in audio applications such as headphones, earbuds, and hearing aids. Unlike passive noise cancellation, which relies on physical barriers to block sound, ANC actively counteracts noise using electronic methods. Here's how it generally works: 1. **Microphone Input**: ANC systems are equipped with microphones that pick up the ambient noise in the environment.