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.
It may be noted here that Manchuria is unknown to the Chinese or to the Manchus themselves as a geographical expression. The present extensive home of the Manchus is usually spoken of as the Three Eastern Provinces, namely, (1) Shengking, shÃªngking Or-liao, tung Or-kuan, (tung) 2, kirin (and) 3 heilungchiang Or. tsitsihar