Khi chung ta di du lich hay din dau do. Ta quay lai mot video de sau nay lam ky niem. Nhung ta muon long am thanh hoac nhac vao video nay thi lam bang cach nao?

Phan mem “Audio to Video Mixer” segiup chung ta thuc hien viec long am thanh vao video bang mot vai cú click chuot.