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lord loh. said:I just came across a vide format called DivX (.avi extension)
How is this format different in terms of picture quality from mpeg used in VCDs?
That's the simplest form of compression and it's used in every video compression method. It's nothing new to DivX.The Mad Professor said:Take any two frames of video in sequence and often very little difference can be seen , just like frames of a stop motion animation , in essence much of the data is repeated. Huge savings are made by using the same block of compressed data many times , only objects on the screen that move need to be refreshed.