It does. MOVはQuickTimeで、Apple-ネイティブで、MP4が持ち運べないProResとアルファチャネルビデオの通常のホームです. The container determines how the audio is stored and therefore whether it can be lifted out without touching it.
透明度の決定は，透明度の変更を行う段階である。 That is the step most people actually came for, and doing it after MOV からオーディオを抽出 rather than before it means the conversion works from the file you finally settled on.
