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.
late 14c., inhabitant of Asia (Minor), from Latin Asianus (adjective and noun, belonging to the province of Asia; an inhabitant of Asia), from Greek Asianos, from Asia (see Asia). Ousted Asiatic as the preferred term in Britain c.1950.