Headroom
01
다이내믹 레인지, 파워 리저브
the capacity of a system to reproduce loud sounds without distortion
02
헤드룸, 수직 여유 공간
vertical space available to allow easy passage under something
03
헤드룸, 머리 위 공간
the space between the top of the subject's head and the top edge of the image frame, and is an important compositional element that can affect the balance and aesthetic appeal of the image
