A PORTABLE DEVICE COMPRISING A DIRECTIONAL SYSTEM

The present application discloses a portable device comprising an orientation system, which is a sound capture device, the sound capture device comprising: an input unit comprising a plurality of input transducers; a housing; a directional noise reduction system for providing an estimate of a target...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	PEDERSEN MICHAEL SYSKIND, MIKKELSEN JACOB, KROGSGAARD BENT, PETERSON MICHAEL, GRAM STEFAN, SCHEEL CARSTEN, DE HAAN JAN M, BAY HENRIK, BERTELSEN ANDREAS THELANDER, M. BORGMAN
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	ACOUSTICS DEAF-AID SETS ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKEACOUSTIC ELECTROMECHANICAL TRANSDUCERS MUSICAL INSTRUMENTS PHYSICS PUBLIC ADDRESS SYSTEMS SPEECH ANALYSIS OR SYNTHESIS SPEECH OR AUDIO CODING OR DECODING SPEECH OR VOICE PROCESSING SPEECH RECOGNITION
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Beschreibung
Zusammenfassung:	The present application discloses a portable device comprising an orientation system, which is a sound capture device, the sound capture device comprising: an input unit comprising a plurality of input transducers; a housing; a directional noise reduction system for providing an estimate of a target sound, the directional noise reduction system comprising a beamformer unit operatively connected to the plurality of input transducers, the beamformer unit comprising a target holding, a reference beamformer, and a target cancellation beamformer; the directional noise reduction system is configured to operate at least in a directional mode and an omnidirectional mode according to a mode control signal; antenna and transceiver circuitry for establishing an audio link to another device, wherein the sound capture device is configured to communicate an estimate of a target sound to the other device; and a mode controller for determining a mode control signal according to the current reference signal and the current ta