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.
Manchuria (the large part of Russian territory where Vladivostok is the main city) is the last territory considered by China as traditionally Chinese. Not in political relationships, but generally from a historical point of view. All other territories (Hong Kong etc.) were returned to China already.