| Noise cancellation earphones have become popular | | | | sense differences and changes both acoustically and |
| tools for helping airplane and other vehicle passengers | | | | physically. If a factory machine changes speed from |
| tune out the world outside and tune in to their own | | | | low to high, for example, the ANC speaker should be |
| thoughts or sleep. However, noises cancellation | | | | able to pick up on that change and adjust itself |
| earphones are hardly helpful in most industrial | | | | accordingly to continue attenuating at the same level. |
| situations since workers must still be able to hear a | | | | -- They are non-intrusive |
| wide range of audio frequencies in their immediate | | | | Most ANC technologies use microphones to pick up |
| environments. | | | | the sources of sounds and dispel them. Original ANC |
| Are there active noise cancellation products that | | | | systems required the use of multiple microphones |
| work effectively without the use of earphones? The | | | | within a designated space in order to prevent "dead |
| answer is yes. Here are some of the qualities to look | | | | zones" and provide complete coverage. The most |
| for in non-earphone active noise cancellation (ANC) | | | | innovative ANC products use more sophisticated |
| products. | | | | sensors that do the same job or better with much |
| -- They work throughout an entire space | | | | less equipment. |
| In order to provide a comfortable yet safe | | | | Active noise cancellation is a real concern for |
| workplace, ANC products must provide low | | | | businesses whose employees are subject to |
| frequency noise cancellation within the entire confines | | | | constant or near-constant exposure to harmful noise |
| of a cab, room, duct, or other area without impeding | | | | and vibrations: but not all systems are engineered |
| the employee's ability to do his job. | | | | equal. Take the time to do some research, and then |
| -- They easily adapt to change | | | | go with the very latest in proven ANC technologies. |
| The products must be flexible enough to be able to | | | | |