*What is this ANC thing?*
Understanding Active Noise Cancellation
Understanding the ANC
Active Noise Cancellation counters noise. It detects and analyzes the pattern of incoming sound, and then generates an “anti-noise” mirror signal to cancel it out. As a result, you experience a drastically reduced level of noise.
Outside noise detected by a microphone outside the earcup
Headset speaker sends an “inverted sound wave” to your ear that cancels that outside noise