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What is an MPEG-2 block?

Question :

What is an MPEG-2 block?

Answer :

A block is an 8-row by 8-column matrix of pels, or 64 DCT coefficients (source, quantized or dequantized). A block is the entity on which the DCT operates and it represents luminance or chrominance information. This term is used for both the actual picture information, and the corresponding DCT coefficients


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