Was ist Digitales Video? - Konzepte erklärt
Digitales Video ist eine Folge von Standbildern (Frames), die schnell abgespielt werden, um die Illusion von Bewegung zu erzeugen
Zuletzt aktualisiert:
Digitales Video: Einfache Definition
Digital video is a sequence of photographs (frames) displayed in rapid succession to create the illusion of movement. Just like a flipbook, when individual still images are shown fast enough, the human eye perceives smooth motion.
Standard video plays 24, 30, or 60 frames per second (fps). At 30fps, a 1-minute video contains 1,800 individual image frames. Without compression, this would be enormous - that's why video codecs like H.264 and H.265 are essential.
So funktioniert digitales Video
Modern video codecs do not store every frame as a complete image. They store a full frame (keyframe) and then only the differences between that frame and subsequent frames. A static background only needs to be stored once, not in every frame.
This temporal compression is why a 10-minute video in H.264 might only be 500MB when the raw uncompressed frames would be 100GB+. The codec's efficiency directly determines the trade-off between file size and quality.
Beispiele für digitales Video
24fps
Cinema standard. Creates the classic “film look” with slight motion blur.
30fps
Standard for TV and web video. Smooth for most content types.
60fps
Smooth motion for sports, gaming, and action. Twice the data of 30fps.
120fps and above
Used for slow motion. A 120fps video can be slowed to 4x without frame drops.
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