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 is the name of a region now mostly part of northeast China. It was fought over between China and Russia (1858), and between Japan and Russia (1900-1905, 1920-1925) and again from 1939 to 1945 when it was the Japanese territory of Manchukuo.