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.
A manager is a person in an organization who is responsible for carrying out the four functions of management, including planning, organizing, leading and controlling. You will notice that one of the functions is leadership, so you might ask yourself if it would be safe to assume that all managers are leaders.