SEPARATE SOUND FIELD FORMING APPARATUS USED IN A CAR AND METHOD FOR FORMING SEPARATE SOUND FILED USED IN THE CAR

• Main Authors: KIM, HWAN, KIM, WAN JUNG, LEE, JONG HWA, KIM, YANG HANN, PARK, JOON YOUNG
• Format: Patent
• Language: English; Korean
• Published: 28.04.2020
• Subjects: DEAF-AID SETS; ELECTRIC COMMUNICATION TECHNIQUE; ELECTRICITY; LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKEACOUSTIC ELECTROMECHANICAL TRANSDUCERS; PERFORMING OPERATIONS; PUBLIC ADDRESS SYSTEMS; TRANSPORTING; VEHICLES IN GENERAL; VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISEPROVIDED FOR

An independent sound field forming apparatus for a vehicle in communication with a device providing a sound source according to an embodiment of the present invention includes: a storage unit that stores filtering coefficients for converting the sound source so that sound can concentrated in a predetermined focusing area in the vehicle; a communication unit that receives vehicle operation status information in the vehicle; and a control unit that controls a volume adjustment range of the sound source to update the filtering coefficients according to the vehicle operation status information received from the communication unit so that the sound can be reproduced in the focusing area. 본 발명의 실시예에 따른 음원을 제공하는 장치와 통신하는 차량용 독립 음장 형성 장치는, 차량 내 소정의 포커싱 영역에서 음향이 집중되도록 상기 음원을 변환하기 위한 필터링 계수를 저장하는 저장부, 상기 차량 내에서의 차량운행상태정보를 수신하는 통신부 및 상기 통신부로부터 수신한 상기 차량운행상태정보에 따라 상기 필터링 계수를 업데이트하여 상기 포커싱 영역에서 상기 음향이 재생되도록 하는 상기 음원의 볼륨 조정범위를 제어하는 제어부를 포함할 수 있다.