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.
Use Manchu in a sentence. pl. -Â·chusâ² or -Â·chuâ² a member of a people of Manchuria: the Manchus conquered China in 1643-44 and set up a dynasty that ruled until 1912.