Marine active hearing protection earmuff and protection method thereof

The invention belongs to the technical field of hearing protection earmuffs, and particularly relates to an active hearing protection type earmuff for a ship and a protection method of the active hearing protection type earmuff. Each earmuff comprises an ear arch, the earmuff bodies are arranged at the two ends of the ear arch, loudspeakers are arranged on the earmuff bodies, reference microphones are arranged on the outer sides of the loudspeakers, and error microphones are arranged on the inner sides of the loudspeakers. The protection method comprises the following steps: step 1, establishing an improved feed-forward active protection strategy structure based on the marine active hearing protection earmuff, and improving the feed-forward active protection strategy structure into the improved feed-forward active protection strategy structure; 2, establishing a feedback type active protection strategy structure based on the active hearing protection earmuff for the ship; and step 3, the step 1 and the step 2