directional microphone

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directional microphone [də′rek·shən·əl ′mī·krə‚fōn]

(engineering acoustics)

A microphone whose response varies significantly with the direction of sound incidence.

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No references found			A visual hearing aid, he says, could entail directional microphones built into eyeglasses, allowing the wearer to pick up sound only in the direction where he or she is looking. Seize the day: the new economy will bring exciting innovations, as ... by Deneen, Sally / Success Digital hearing aids also use directional microphones to improve the capture and enhancement of sounds, usually speech, in a particular direction. Digital Hearing Aids Have Many Advantages over Analog by Jack Nick / Business community Directional microphones derive sound from a source which is placed directly in front of the mike while an omni-directional microphone can derive sound from all the directions. Different Types of Audio Recording Equipments by michael russell / Music community			direction ratios direction rectifier direction-finder-bearing indicator direction-finding net direction-giving beacon direction-independent radar directional directional antenna directional beacon directional beam Directional Blasting directional control directional control valve directional counter Directional Coupler directional derivative directional drilling directional filter directional gain directional gyro Directional Gyroscope directional homing directional hydrophone directional lighting directional log directional microphone directional pattern directional phase shifter directional property directional relay directional response pattern directional separation filter Directional Signal directional solidification directional stability directional structure directional well directive directive feed directive gain directive therapy directivity Directivity Factor directivity index Directivity of Acoustic Transmitters and Receivers Directivity Pattern directly congruent figures Directly Executable Test Oriented Language directly heated cathode Directness, Continuity, and Oral Nature of Judicial Examination Directoire style			Directional drilling Directional Electrostatic Accretion Process Directional Explosive Echo Ranging directional filter Directional Finding and Tracking Array Directional Frequency Analysis & Recording Directional Frequency and Ranging Directional Frequency Correlator directional gain Directional Gradient Vector Flow directional growth Directional gyro Directional gyro directional gyro indicator Directional Gyros/Vertical Gyros Directional Gyroscope Directional Gyroscope Directional headlamp Directional headlamp directional homing directional hydrophone directional hypothesis directional hypothesis directional hypothesis directional hypothesis Directional Infrared Countermeasure directional lighting directional log Directional Low-pass Filter Directional Medium Access Control directional microphone Directional Microphone Hearing Aid Directional Minimum Check Directional Movement Index Directional Movement Index Directional Movement Index Directional Movement Index Directional Movement Indexes Directional Movement Indicator Directional Movement Indices Directional Network Allocation Vector Directional Networking Waveform directional non force technique Directional Optimized Link-State Routing directional pattern directional phase shifter Directional Policy Matrix Directional Power Increase directional property Directional Quasi-Convexity directional radar prediction Directional Radio Beacon Directional Recoil Identification from Tracks directional relay Directional Reservation Equipment directional response pattern Directional selection Directional selection Directional selection Directional selection directional separation filter

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