There are one or more microphones built into the headsets to detect external noise. By employing sophisticated electronic signal processing, an anti-noise signal is then generated to cancel out the external noise. In essence, this leaves only the desired music or soundtrack audible to the listener.
â¢ MANCHURIAN (adjective). The adjective MANCHURIAN has 1 sense: 1. of or relating to or characteristic of Manchuria or its people or their culture. Familiarity information: MANCHURIAN used as an adjective is very rare.
ManÂ·chuÂ·riÂ·a. A region of northeast China comprising the modern-day provinces of Heilongjiang, Jilin, and Liaoning. It was the homeland of the Manchu people who conquered China in the 1600s and was hotly contested by the Russians and the Japanese in the late 1800s and early 1900s. Chinese Communists gained control of the area in 1948.