Highly-Efficient SVT-AV1-based Solutions for VOD Applications

This presentation will highlight the latest improvements of the VOD-targeted high-latency Constant Rate Factor (CRF) and Variable Bit Rate (VBR) modes of the SVT-AV1 encoder. It will first present the latest SVT-AV1 cycles-quality tradeoffs when applied in CRF mode to shot-based convex-hull-optimized encoding for a wide range of VOD applications. It will then demonstrate the performance of VBR encoding of a bitrate-resolution ladder that had been developed as a result of an offline statistical analysis of the parameter values generated via convex-hull CRF-mode encoding of a large dataset. The presentation concludes by presenting a highly-efficient solution for reducing the cycles-cost of the Dynamic Optimizer (DO) encoding framework by using the fastest-preset SVT-AV1 encoder to generate the convex-hull encoding parameter values, which are then used to produce the final bitstreams using the desired encoder.

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