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AVC Compression Update: FRExt and future

AVC Compression Update: FRExt and future. Matthew Goldman Vice President of Technology Compression Systems. MPEG-4 AVC / H.264 Version 1 ISO/IEC 14496-10 [MPEG-4 Part 10] = ITU-T Rec. H.264. Primary Technical Objectives Significant improvement in coding efficiency High loss/error robustness

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AVC Compression Update: FRExt and future

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  1. AVC Compression Update:FRExt and future Matthew GoldmanVice President of TechnologyCompression Systems

  2. MPEG-4 AVC / H.264 Version 1ISO/IEC 14496-10 [MPEG-4 Part 10] = ITU-T Rec. H.264 • Primary Technical Objectives • Significant improvement in coding efficiency • High loss/error robustness • Transport independent (network abstraction) • Convey over MPEG-2 Transport, RTP, H.32x, MP4/ISO file formats, MP4 Systems • Low latency capability (but better quality for higher latency) • Exact match decoding • 3 Profiles ( example application) • Baseline  Video conferencing & wireless • Main  Broadcast & Storage (standard & high definition) • Extended  Streaming • Finalized May/July 2003 (tech frozen 12/02) • Products available today

  3. MPEG-4 AVC / H.264 Version 2Fidelity Range Extensions (“FRExt”) • Additional Technical Objectives • Professional applications • > 8b/sample, > 4:2:0 color sampling, • Higher-quality high-resolution video • Alpha plane support (a degree of “object” functionality) • New supplemental information • 4 Profiles • High (4:2:0, 8b)  Brdcst/Storg SD/HD (MP superset) • High 10 (4:2:0, 10b) • High 422 (4:2:2, ≤10b)  Contribution • High 444 (4:4:4 12b) • Finalized July 2004 • High Profile will be in products this year • 4:2:2 when? Hi444 withdrawn and to be replaced!

  4. MPEG-4 AVC / H.264 ExtensionsCurrent Activities • Scalable Video Encoding • Effort launched January 2005 • Core experiments exploring • Context Adaptive Variable Length Coding (CAVLC) • Inter-layer motion prediction • Inter-layer texture prediction • Region of Interests (ROI) • Quantization • High-level syntax • Improved and low-delay Fine Granularity Scalability (FGS) • Replacement 4:4:4 Profile for Hi444 • Better processing elements for color components (Cb/Cr channels) • Improved macroblock coding mode

  5. Future Activities – Rumors? • Heard rumors about a new codec to replace MPEG-4 AVC/H.264? “H.265” • Muddled information taken out of context • Standards activities always investigate future possibilities • There will likely by additional enhancements/amendments to AVC • Just like what occurred with FRExt (v2) and is happening now with SVC, new 4:4:4 Profile

  6. Thank you! Acknowledgement: Gary Sullivan, Co-Chair, “Joint Video Team” ITU-T VCEG | ISO/IEC MPEG

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