An audio recording system

An audio recording system comprises an array (1) of microphones (2) and a processor module (3, 4, 6). The array is a logarithmic spiral array in which the minimum distance between each microphone and all others that lie closer to the centre is maximised. The processor module includes a beam directio...

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Bibliographic Details
Main Authors DEAN ROBERT THOMAS, PETER LOCKHART, STEVEN DAVID MASSIE
Format Patent
LanguageEnglish
Published 23.04.2008
Subjects
DEAF-AID SETS
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKEACOUSTIC ELECTROMECHANICAL TRANSDUCERS
PUBLIC ADDRESS SYSTEMS
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Summary:An audio recording system comprises an array (1) of microphones (2) and a processor module (3, 4, 6). The array is a logarithmic spiral array in which the minimum distance between each microphone and all others that lie closer to the centre is maximised. The processor module includes a beam direction control device (51) and a beam width control device (52); whereby an audio target is isolated.
Bibliography:Application Number: GB20060009466