Replay - Allegro DVT Webinar Compliance Streams Series #1

November 6, 2020

Introduction

This webinar provided an overview of the fundamentals and trends in video coding, including motivation for using video compression, basics and ideas from video acquisition through coding to display.

This first series of Allegro DVT CS webinars focused specifically on aspects of the encoding and decoding process and what makes them different. The fundamental concept and main components of an encoder and a decoder were explained.

This webinar also aimed to present the history of video codecs and their evolution up to the present day. Trends in video coding were discussed in more detail and we went on to share our perspectives for the next generation of video IP.

Replay of the webinar is available: click here!

SUMARRY

  • Introduction
    • Motivation for compression
    • Principles of compression
    • Video pipeline from acquisition of the video footage through coding and transmission to the display
  • Video Signal Processing – Encode/Decode
    • Video coding tools (spatial/temporal coding, entropy, in-loop filters)
    • Main building blocks and differences
    • Pitfalls of video encoding (quality vs complexity vs PPA)
  • Video Codecs History
    • MPEG (MEPG-1/2, H.26x), VPx, AVx, AVSx
    • Evolution of the standards (ever improvement, ever increasing complexity)
    • Licensing models: royalty-free vs patent pools
  • Trends in the video coding
    • Codecs landscape (AV1 vs. HEVC, VVC, LCEVC, EVC)
    • Emerging Chinese codecs: AVS3 (AVS2)
    • Emerging use cases: cloud gaming, HPC (High Performance Computing), transcoding (AI use case for inferencing)

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