H.264 Main or High Profile? Use High says Ben Waggonner

Interesting line of questions on the Advanced Streaming List recently. One producer shared that he was encoding using the following parameters: 768kbps512×288H.264 Main Profile Level 3.1 Microsoft’s Ben Waggoner, author of Compression for Great Video and Audio, who has an encyclopedic knowledge of compression related matters, responded: “High Profile instead of Main Profile; decode complexity…

An essential gizmo for Mac video producers

This is not an earthshaking post, but I thought I would share it anyway. I’ve never been a fan of Apple’s decision to use FireWire 800 adapters on their most recent lines of computers since it meant that I couldn’t connect my camcorders to them without an adapter. I’ve resisted purchasing a FireWire 800 to…

What’s the right keyframe interval?

Interesting post came from the StreamingMedia Advanced list today: Question:  Anyone have any advise on key frame placement in h264 flash? I felt like I should know the answer to this, so I pulled together the following: Answer: Interesting question. For single file streaming, make sure that keyframes at scene changes are enabled. In terms…

H.264 Licensing and the X.264 codec

Ever since MPEG-LA announced their policy of not charging royalties for H.264 video distributed free over the Internet, I’ve been getting a bunch of emails, so I thought I would share them. I’m not inviting more emails on this topic, by they way, unless you want to tell me something that you know (as in,…

Vimeo, YouTube or Both?

A continuing series of questions from an ‘Net acquaintance on whether to post on YouTube or Vimeo.  Question: Incidentally, I heard that Vimeo encoded 720p at higher bitrates than YouTube (or that it had more bandwidth to serve it, or both… can’t remember!).  Do you prefer to use YouTube @ 720p for other reasons? Answer:…

Optimizing upload quality to YouTube

Got a question from an acquaintance on the best strategy for uploading files to YouTube, and I thought it might have broader interest, so here’s the Q & A. Question: I was wondering, since YouTube doesn’t appear to be using B-Frames in its encoding, is there any reason to send files to YouTube that have…

YouTube’s new HD format

Last Friday, I produced a concert for old time band Allegheny Blue to test out the NewTek TriCaster TCXD300.  I uploaded a 720p file to YouTube to present to the band, and when I went to view the file, I noticed that the Google subsidiary had subtly changed the playback interface. Though the update turned…

Windows 7 performance for Premiere Pro and Vegas

If you’re a Premiere Pro or Vegas editor, and you’re thinking about purchasing a new system with Windows 7, or upgrading to the new Microsoft OS on a current system, you might want to check out an article that I wrote for Millimeter/Digital Content Producer that you can access here. I compared rendering times with…

Need article sources – iPhone streaming and OVPs

I’m pulling together some streaming-related articles and need some user input.  Specifically, I need: – HTTP Live Streaming to iPhone case studies – companies who have started streaming to iPhones, why, how and how it has worked out. Prefer actual content owners rather than service companies. – OVPs – any company who considered using an…