광고를 전공하는 학생입니다..
저희가 캠페인을 통해 겨울철 문을 닫고 다니는것을 습관화하기위해 차임벨을 설치하여 문을 닫게끔 유도하려고하는데여 차임벨에서 나오는 소리가 기존의 새소리같은것들이 아니라 저희가 원하는 목소리나 멜로디를 넣고싶은데  그럴경우 어떻게 해야하나요..?? 직접 차임벨을 만들 수 있는 기술이 없어서 기존의 차임벨을 사서 안에 소리만 변경할려고 하거든요....전문적 지식이 없이는 힘들까요ㅜ..??