Translation and analysis of words by ChatGPT artificial intelligence
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array$4959$ - translation to greek
![A [[gunfire locator]] using a microphone array](https://commons.wikimedia.org/wiki/Special:FilePath/Boomerang 3 Gunfire Acoustic Detection System MOD 45153048.jpg?width=200 "A [[gunfire locator]] using a microphone array")
![[[Cray J90]] processor module with four scalar/vector processors](https://commons.wikimedia.org/wiki/Special:FilePath/Cray J90 CPU module.jpg?width=200 "[[Cray J90]] processor module with four scalar/vector processors")
![A [[hard disk drive]] (HDD) with protective cover removed](https://commons.wikimedia.org/wiki/Special:FilePath/35-Desktop-Hard-Drive.jpg?width=200 "A [[hard disk drive]] (HDD) with protective cover removed")
![control circuitry]], storage space, and [[input/output]] devices. Technology and capacity as in common [[home computer]]s around 2005.](https://commons.wikimedia.org/wiki/Special:FilePath/Computer storage types.svg?width=200 "control circuitry]], storage space, and [[input/output]] devices. Technology and capacity as in common [[home computer]]s around 2005.")
![PATA]] hard disk drive (HDD) from 1999. When connected to a computer it serves as ''secondary'' storage.](https://commons.wikimedia.org/wiki/Special:FilePath/IBM DJNA-351520 Hard Disk A.jpg?width=200 "PATA]] hard disk drive (HDD) from 1999. When connected to a computer it serves as ''secondary'' storage.")
![DVD+R]]. The minor errors are correctable and within a healthy range.](https://commons.wikimedia.org/wiki/Special:FilePath/QPxTool DVD error rate graph.png?width=200 "DVD+R]]. The minor errors are correctable and within a healthy range.")
![RAM]]](https://commons.wikimedia.org/wiki/Special:FilePath/Samsung-1GB-DDR2-Laptop-RAM.jpg?width=200 "RAM]]")
![A large [[tape library]], with tape cartridges placed on shelves in the front, and a robotic arm moving in the back. The visible height of the library is about 180 cm.](https://commons.wikimedia.org/wiki/Special:FilePath/StorageTek Powderhorn tape library.jpg?width=200 "A large [[tape library]], with tape cartridges placed on shelves in the front, and a robotic arm moving in the back. The visible height of the library is about 180 cm.")
![SDLT]] tape cartridge, an example of ''off-line'' storage. When used within a robotic [[tape library]], it is classified as ''tertiary'' storage instead.](https://commons.wikimedia.org/wiki/Special:FilePath/Super DLTtape I.jpg?width=200 "SDLT]] tape cartridge, an example of ''off-line'' storage. When used within a robotic [[tape library]], it is classified as ''tertiary'' storage instead.")
Definition
Wikipedia
A microphone array is any number of microphones operating in tandem. There are many applications:
- Systems for extracting voice input from ambient noise (notably telephones, speech recognition systems, hearing aids)
- Surround sound and related technologies
- Binaural recording
- Locating objects by sound: acoustic source localization, e.g., military use to locate the source(s) of artillery fire. Aircraft location and tracking.
- High fidelity original recordings
- Environmental noise monitoring
- Robotic navigation (acoustic SLAM)
Typically, an array is made up of omnidirectional microphones, directional microphones, or a mix of omnidirectional and directional microphones distributed about the perimeter of a space, linked to a computer that records and interprets the results into a coherent form. Arrays may also be formed using numbers of very closely spaced microphones. Given a fixed physical relationship in space between the different individual microphone transducer array elements, simultaneous DSP (digital signal processor) processing of the signals from each of the individual microphone array elements can create one or more "virtual" microphones. Different algorithms permit the creation of virtual microphones with extremely complex virtual polar patterns and even the possibility to steer the individual lobes of the virtual microphones patterns so as to home-in-on, or to reject, particular sources of sound. The application of these algorithms can produce varying levels of accuracy when calculating source level and location, and as such, care should be taken when deciding how the individual lobes of the virtual microphones are derived.
In case the array consists of omnidirectional microphones they accept sound from all directions, so electrical signals of the microphones contain the information about the sounds coming from all directions. Joint processing of these sounds allows selecting the sound signal coming from the given direction.
An array of 1020 microphones, the largest in the world until August 21, 2014, was built by researchers at the MIT Computer Science and Artificial Intelligence Laboratory.
Currently the largest microphone array in the world was constructed by Sorama, a Netherlands-based sound engineering firm, in August 2014. Their array consists of 4096 microphones.
