Thereâs a microphone built into each cup of the headphones that samples the ambient noise near the ear. That noise signal is fed into an electronic circuit that analyzes it and creates a mirror image of the noise, then adds the noise back into the music signal.
The job description of a manager varies from organization to organization. Here is more about what a manager does, the manager's job description. The manager's role and job description is at a pay grade or job classification level of the organization that integrates functions and departments for implementation success.
Legal Definition of manager. 1  1 : a person who manages a business or organization. 2  2 : a member of the House of Representatives who acts as a prosecutor at the Senate trial in an impeachment proceeding â see also impeach. 3  3 : conferee.