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- Q907293 subject Q7460994.
- Q907293 abstract "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 technologiesBinaural recordingLocating 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 recordingsTypically, 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. 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 to select the sound signal coming from the given direction. So, microphone array selects the sound coming from a given direction by processing multichannel signals. An array of 1020 microphones [1], the largest in the world until August 21st 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 of 2014. Their array consists of 4096 microphones. [2][3]".
- Q907293 wikiPageExternalLink beamforming_literature.html.
- Q907293 wikiPageExternalLink mic-array.
- Q907293 wikiPageExternalLink www.acoustic-camera.com.
- Q907293 wikiPageExternalLink browse.cfm?elib=10108.
- Q907293 wikiPageExternalLink browse.cfm?elib=12288.
- Q907293 wikiPageExternalLink largest-microphone-array.
- Q907293 wikiPageExternalLink beamforming.html.
- Q907293 wikiPageExternalLink acoustic-holography.
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- Q907293 wikiPageWikiLink Q7460994.
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- Q907293 comment "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 technologiesBinaural recordingLocating objects by sound: acoustic source localization, e.g., military use to locate the source(s) of artillery fire.".
- Q907293 label "Microphone array".