Abstract
The AV1 video compression format is developed by the Alliance for Open Media consortium. It achieves more than a 30% reduction in bit rate compared to its predecessor VP9 for the same decoded video quality. This article provides a technical overview of the AV1 codec design that enables the compression performance gains with considerations for hardware feasibility.
Highlights
The last decade has seen a steady and significant growth of web-based video applications, including video-on-demand (VoD) service, live streaming, conferencing, and virtual reality [1]
This article provides a technical overview of the AV1 codec
Since the decoded sample rate is calculated based on the total number of samples in both displayable frames and alternate reference frame (ARF) that will not be used as a “show existing frame,” it effectively limits the number of allowable synthesized ARF frames
Summary
This article provides insight into the AOMedia Video 1 (AV1) video compression format. It includes a technical overview of the AV1 codec design as well as a performance evaluation that compares AV1 to its predecessor VP9. ABSTRACT | The AV1 video compression format is developed by the Alliance for Open Media consortium. It achieves more than a 30% reduction in bit rate compared to its predecessor VP9 for the same decoded video quality. This article provides a technical overview of the AV1 codec design that enables the compression performance gains with considerations for hardware feasibility. KEYWORDS | Alliance of Open Media; AV1; video compression
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