
When I wrote my first YouTube post 4 months ago entitled “How to Encode Your Videos for YouTube’s New High Quality Option” , I would never have thought YouTube would make the move to HD resolution so quickly. They went from a maximum resolution of 480×270 directly to 1280×720! I’m sure this change has caught many off guard and everyone is now scrambling to get their videos converted to HD to take advantage of the awesome new quality settings being offered. Many users that are new to HD or encoding for YouTube are probably wondering where to begin. This guide will attempt to explain the new changes in detail and show you how to encode your videos for YouTube HD.
YouTube HD Specs
I downloaded a few YouTube HD videos (Using the Firefox extension DownloadHelper) and used MediaInfo to peek under the hood to find out all the juicy technical details. I have seen many sites speculate on the data rates and resolution of the new format but few are reporting accurate information.
Video
- 1280×720 at 29.97 progressive (other framereates like 24, 25, 30 should work as well)
- H.264 codec in MP4 wrapper
- Variable bit rate averaging 2mpbs
Audio
- AAC
- 44.1 kHz Stereo
- Variable bit rate from averaging 100kbps - 256kbps
So yes, for everyone wondering, YouTube is really in HD. Next I will show you how to encode your files…
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HD Video Experiences on the Web
In this Adobe Max 2009 presentation, video expert Robert Reinhardt discusses the tools and techniques used to deliver compelling HD video experiences on the web. Topics covered include how to leverage the Adobe Flash platform, HD video encoding considerations, and examples of websites that are using HD video effectively. Anyone interested in delivering HD video on the web will benefit from this presentation.
Watch the presentation on the Adobe Max website