Jan Ozer interviews Zoe Liu at NAB 2024

Jan Ozer interviews Zoe Liu for OTTVerse

At the recently concluded NAB2024, video compression expert Jan Ozer caught up with our CTO and Co-Founder, Zoe Liu to talk to her about the latest in the world of AV1 video compression, Zoe's outlook on the use-cases, live-streaming, next big applications, and more! You can watch the entire video here.For video streaming businesses, AI-driven video compression isn't just a fad, it's a strategic advantage. In a competitive market, delivering high-quality videos efficiently is essential. AI-based compression makes both possible, giving businesses a clear edge. You can start a no-risk, free trial of Visionular's AI-driven video compression on the cloud today and...

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Visionular Codec Core Optimizations

This is the third part in a three-part series that explains the Intelligent Optimization technology that is foundational to Visionular’s video encoder quality and bitrate efficiency advantages. Click here to read part one. Part two that covers our ML algorithms and image processing modules can be found by clicking here. The Visionular Intelligent Optimization system contains two critical components, AI-powered image-processing controls, and a highly optimized core codec. In part 1 we introduced a few of the approaches possible to optimize a video encoding recipe for the actual needs of the content, versus a fixed recipe that is applied to every asset equally. While in part 2, a thorough explanation of...

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av1 libaom video codec's Coding Tools Analysis by visionular

libaom Coding Tools Analysis

This article comprises two parts. In part one I focused on providing analysis of the AV1 coding tools that in this part 2 will become the basis for examining libaom to determine which can be most useful in the pursuit of better coding performance (speed) and efficiency (bitrate savings). Some video engineers are claiming that there are too many parameters provided by libaom and though there certainly are many choices and this can lead to confusion about which to use, I’ve performed much of the analysis and hope that this post will be useful as you consider your own unique application and use...

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analysis of AV1 coding tools from Visionular

Analysis of AV1 Coding Tools using libaom

This article consists of two parts: In part one, I will focus on providing an analysis of certain AV1 coding tools in the libaom open-source encoder.  And, in part 2, we will explore which tools are the most useful in the pursuit of better coding performance (speed) and efficiency (bitrate savings), again, using the open-source encoder, libaom. As video engineers and codec (what is a video codec?) practitioners know, coding tools must show a reasonable advantage in the area of bitrate efficiency to be adopted. However, we must also consider the processing cost of the tool, as there are some tools...

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demuxed-2020-decoder-complexity-aware-av1-zoeliu

AV1 Encoder Optimization from the Decoder’s Point of View

Demuxed 2020 was a “don’t miss” event. More than 1,000 video engineers participated, and 28 video engineers, codec developers, and image scientists from Netflix, Disney, Facebook, Apple, LinkedIn, Akamai, Fastly, Cloudflare, VideoLan, and Visionular shared best practices, open-source projects, and the latest industry development trends in video. Our very own Zoe Liu presented a talk about optimizing an encoder from the perspective of the decoder. Video engineers understand the importance of ensuring playback stability and the role that the encoder plays. AV1 contains more than 100 coding tools as compared with its predecessor VP9. This is the key to AV1’s significantly improved coding...

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state of the AV1 video coding standard in Q4 of 2020

AV1 Had a Huge Q4 – Ten Updates

Since the founding of Visionular, we have been passionately focused on building the AV1 standard by developing the best AV1 codec implementation possible. Aside from assembling the largest dedicated group of codec engineers in the industry, we have taken every opportunity to promote the AV1 standard as active members of the AOM. In the fourth quarter of this year, the team was especially busy. Here are a few of the more notable AV1 centric activities that we led or took part in. In October, Mark Donnigan moderated a panel at the Agora.io RTE2020 virtual conference titled “Selecting The Best Video Codec To Scale Your Apps for RTE” where he was...

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Dan Rayburn: Continuous Innovation is a Competitive Strategy

Dan Rayburn recently quoted me in an article he wrote titled, “Continuous Innovation Is a Competitive Strategy: Why 870 Million Monthly Users in Asia Depend on HEVC and AV1 Codec Standards.” When writing this blog post, I feel proud that in December 2020, Visionular is now supplying essential video encoding solutions to more than thirty leading video streaming app companies, services, and hyperscale platforms. The use cases span RTC and other low latency real-time applications, as well as VOD. Companies like Google, Agora.io, Mobiuspace, ShareChat, Firework, H3C, Juphoon, Lomotif, Jumu, NetEase, SHAREit, TAL, Baidu, and others utilize our codec solutions to maintain...

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using AV1 for RTC or realtime communication

AV1 for RTC: x264 vs. Aurora1 AV1

The royalty-free codec standard AV1 gets plenty of attention and for good reason. With some of the largest streaming video apps, service, and platform companies in the world supporting the standard, the entire industry is keeping close tabs. During the early adoption phase of a next-generation standard, it’s well known that until the armies of codec engineers that are focused on wringing out all the performance capability that is possible, can complete the task, there is often a very real and significant penalty for the coding efficiency gains in the excessive compute time required. And, AV1 was no different. But my how far we’ve...

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auroraimage avif performance over jpeg, webp, heif

Exploring the AV1 Image Format AVIF

TL;DR: AVIF is an image format based on the AV1 video codec. AVIF is an extraction from the keyframes of the AV1 codec developed by Alliance for Open Media (AOM). AVIF is compatible with HDR images, and it supports 10- and 12-bit color at full resolution. AVIF offers image compression that is up to ten times higher than popular formats like JPEG. AVIF is an excellent choice because: The AV1 codec standard and AVIF format are royalty-free. AVIF is supported by all Chromium browsers (Chrome 85 on) using content negotiation.  Microsoft Windows 10 supports AVIF from the 19H1 update. AVIF is backed...

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Aurora1 AV1 vs. NVIDIA NVENC HEVC

TL;DR: Watch this video to get the essential data in 34 seconds. Here’s what you are going to see: Aurora1 beats the venerable NVIDIA NVENC HEVC encoder that is built-in to the popular Tesla 4 by delivering the same quality or higher at exactly half the bitrate (5Mbps for 1080p60). In order to compare appropriately, Aurora1 was operated in its real-time mode as required for cloud gaming and live streaming services.Video engineers seeking to optimize the quality of video that they stream face many challenges. Everything from the codec standard selected to the choice of resolution and bitrate to the...

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