패밀리특허 검색결과
Status	Patent	Country	KIPRIS
Registered	음향 신호 기술 방법, 음향 신호 생성 장치 및 음향 신호 재생 장치	KOREA
Registered	Description method for Sound System with two or more Soundfield Groups and its Application	JAPAN
Registered	Description method for Sound System with two or more Soundfield Groups and its Application	JAPAN