Demuxed 2017
2017-10-05
San Francisco, United States
Demuxed ·
[Demuxed 2015, Demuxed 2016, Demuxed 2017, Demuxed 2018, Demuxed 2019, Demuxed 2020, Demuxed 2021, Demuxed 2023, Demuxed 2024, Demuxed 2025]
| title | author | length |
|---|---|---|
| Lights, Colors, Artwork | Mark Watson | 31m |
Concrete claims and engineering tradeoffs dominate: AV-1 published and an AVIF image format is imminent, the Alliance has >30 members and licensing is viral… | ||
| AV1 Update | Thomas Daede | 31m |
AV1 reaches a soft bitstream freeze and ships high-level syntax, sequence and frame headers, tile groups, WebM/Matroska and ISO BMFF packing plus RTP for… | ||
| S-Frame in AV1: Enabling better compression for low latency live streaming. | Tarek Amara | 11m |
Defines S-frame (Switching Frame) as a new AV1 frame type that behaves like a P/inter frame but carries all nonreference state in the elementary stream, forces… | ||
| HEVC Patent Pools: where do we stand? | Hector Ribera | 10m |
Three competing HEVC patent pools exist: MPEG LA with 3,300 patents, 37 licensors and a $0.20 per‑unit royalty after 100,000 free units (cap $25M/yr); HEVC… | ||
| Streaming at 250 kbps: raise your expectations | Megha Manohara | 20m |
Shot-based Dynamic optimizer picks QP and resolution per shot using Netflix’s VMF quality metric and a convex-hull of pre-encodes, delivering 28–37%… | ||
| Things Developers Believe About Video Files (Proven Wrong by User Uploads) | Derek Buitenhuis | 11m |
Millions of user uploads across petabytes reveal concrete failure modes: frame properties change per-frame, timestamps are missing or negative, and sample… | ||
| Ambisonic Audio Using the WebAudio API | Mario Guggenberger | 21m |
Shows ambisonics decoded to binaural in JavaScript using the WebAudio API and the Omnitone library, with a working 260-line implementation and a headphones… | ||
| Let's talk about captions: WebVTT and TTML | Gary Katsevman | 11m |
Compares the actual formats: XML-based TTML with profiles offers many styling features, multiple time formats and transform/export profiles (IMSC, EBU‑TT… | ||
| Why do broadcasters suddenly care about IP - it’s not why you think! | Kieran Kunhya | 24m |
Explains why broadcasters move live production to IP by giving measurable engineering tradeoffs: handling tens or hundreds of gigabits of uncompressed 10-bit… | ||
| Dynamic server-side content stitching for personalized streams. | Sytse van Geldermalsen | 08m |
Claims a production-ready, stateless pull-oriented architecture that stitches playlists into player-agnostic streams, uses a tiny dereference MP4 cached… | ||
| Practical HDR: Not 101, but Flavors, Pros, Cons, Dos and Don’ts | Greg Mirsky | 13m |
This talk will be devoted to the practical aspects of HDR technology for video engineers. Most HDR presentations these days focus on color spaces, EOTF and… | ||
| Content delivery sucks, and what you can do about it | Matt Ward | 23m |
Explains concrete decisions and tradeoffs: how to measure CDN egress vs cloud egress, why cache fill behavior and POP placement matter, and when a single retry… | ||
| Ultra-High Resolution Playback Visualization and its Applications | Steve Robertson | 13m |
Tuning ABR starts off with broad strokes, but perfecting it can require a second-by-second understanding of what your algorithm is doing. We've built a system… | ||
| 3 Second End to End Latency At Scale | Scott Kellicker, Jamie Sherry | 23m |
Claim: 3-second camera-to-screen latency at scale. Implementation uses a custom waves over WebSockets stream protocol, an MSE-based player with a… | ||
| Leveraging Artificial Intelligence for Scene Detection in Broadcast Video | Rik Heijdens | 14m |
Claims a fully automated scene detection pipeline that segments videos into story units without a human editor and places ad breaks. Implementation trains a… | ||
| Color Me Intrigued: A Jaunt Through Color Technology in Video | Vittorio Giovara | 24m |
Explains which color primaries and gamuts map to real-world colors and gives the exact YCbCr matrices used to convert RGB to BT.709 and BT.2020, shows why… | ||
| Going Beyond Bitrate: Adaptation Based on Video Context | Reinhard Grandl | 10m |
Claims that adapting bitrate per scene saves bandwidth without perceptual loss by extracting encoder-derived metrics (PSNR, SSIM, VMAF) per chunk and shipping… | ||
| Live Video Transmuxing/Transcoding | Yueshi Shen, Jeff Gong | 24m |
FFmpeg works as a quick RTMP-to-HLS solution but causes segment misalignment when mixing transmuxed and transcoded renditions and wastes CPU on redundant… | ||
| nothing matches | ||