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 who manages or is in charge of something. Managers can control departments in companies, or guide the people who work for them. Managers must often make decisions about things. According to Henri Fayol, a French management theorist, managers must be able to do: planning.