Microphone support device for sound source localization

The present invention comprises the following: a ring-shaped frame (2); a plurality of fixed arms (4) that project towards the inside of the frame (2); a plurality of movable arms (8) that are longer than the fixed arms (4) and that are removable; and a large number of microphones (14). By accommoda...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	GOTOU MASAYA, YAMANAKA TAKAAKI, KATO TOSHIHIKO
Format:	Patent
Sprache:	eng
Schlagworte:	ANALOGOUS ARRANGEMENTS USING OTHER WAVES DEAF-AID SETS DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION ORRERADIATION OF RADIO WAVES LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKEACOUSTIC ELECTROMECHANICAL TRANSDUCERS MEASURING PHYSICS PUBLIC ADDRESS SYSTEMS RADIO DIRECTION-FINDING RADIO NAVIGATION TESTING
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Beschreibung
Zusammenfassung:	The present invention comprises the following: a ring-shaped frame (2); a plurality of fixed arms (4) that project towards the inside of the frame (2); a plurality of movable arms (8) that are longer than the fixed arms (4) and that are removable; and a large number of microphones (14). By accommodating the plurality of movable arms (8) inside of the frame (2) in a radiating state, a small size microphone array is constructed, as shown in fig. 8(A). Meanwhile, by radially extending the plurality of movable arms (8) outside of the frame (2), a large size microphone array is constructed, as shown in fig. 8(B). When constructing a circular two-dimensional microphone array in this manner, by making the size thereof easy to change, the microphone array can handle wide-frequency sound localization.