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macroblock
(redirected from Macroblocks)

    Also found in: Wikipedia 0.01 sec.
macroblock
A square group of pixels, typically 8x8 or 16x16, that is treated as an entity for compression and decompression. See chroma subsampling and blocking artifacts.
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The reason is that some macroblocks encoded with DCT transformation in P/B-frame are left unencrypted.
Recent advances in multimedia information system security by Lian, Shiguo; Kanellopoulos, Dimitris; Ruffo, Giancarlo / Informatica
The top layer is the picture layer followed by a Group of Block (GOB) layer comprising a number of consecutive macroblocks, then the Macroblock layer, and finally a block layer.
Video Transmission for Third Generation Wireless Communication Systems by Alamouti, S. M. / Journal of Research of the National Institute of Standards and Technology
Corrupted timing packets are detected and repaired at the transport stream layer, while corrupted video slices and macroblocks are detected and repaired at the MPEG layer.
Imagine Communications' ICE[R] Broadcast System Now Serves More Than ... by Business Wire
 
 
 
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