noun
usable footage ratio; proportion of shootable material
Industry term used in TV, film, and video production. Refers to the amount of recorded material that is actually usable in the final edit, often discussed in terms of efficiency or quality of a shoot.
今日のロケは撮れ高が少なかった。
Today's location shoot didn't yield much usable footage.
撮れ高を上げるために、もっと多めに撮影しよう。
Let's shoot more to increase the proportion of usable footage.
Compound of 撮れ (continuative form of 撮る, 'to film') and 高 ('amount'). The pattern follows other 〜高 words like 出来高 (output) and 売上高 (sales).