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.
Definition of manager for English Language Learners. : someone who is in charge of a business, department, etc. : someone who directs the training and performance of a sports team; especially : a person who directs a baseball team.