Microphone array
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A microphone array is an set of multiple microphones operating in tandem. This is shown to have many applications:
- Systems for extracting voice input from ambient noise (notably telephones, speech recognition systems, hearing aids)
- Surround Sound and related technologies
- Locating objects by sound
- High fidelity original recordings
Typically, an array is made up of omnidirectional microphones distributed about the perimeter of a space, linked to a computer that records and interprets the results into a coherent form.
There are some implementation of microphones arrays that are really big. In Massachusetts Institute of Technology an array of 1020 microphones[1] (http://cag.csail.mit.edu/mic-array/) have been built.