As it happens, it is far from the identical basic principle. Coming from a efficiency viewpoint:

ANC may be the disturbance-cancelling result observed with the earphone customer themselves. anc headset ENC can be used for sound decrease noticed on the other side of your telephone during the get in touch with (not the experience of headset users).

In basic principle, some overlapping methods are utilized between your two, such as adaptive filter systems. But ANC is a lot more like a change superimposed noise. As well as disturbance lowering, the ENC also capabilities gain manage, echo cancellation, and beamforming in the matter of a number of microphones. The disturbance lessening a part of ENC concentrates on lowering standard constant-state noises, or getting rid of sound based on the correlation functioning of multiple-mic pick-up outcomes.

In general, both of them are difficult to do nicely, and possess higher requirements on traditional acoustic units, acoustic layout, and weblink delay.

like：

What exactly is the difference between anc and enc earphones?

What does the anc function of the head set suggest?

How to pick ANC and ENC sound cancelling headphones?