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Re: Uploaded video playback issue during disolves

COW Forums : Compression Techniques

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Jeff Greenberg
Re: Uploaded video playback issue during disolves
on May 15, 2013 at 1:57:50 pm


I don't think that adding keyframes will help. The right answer here is that GoDaddy is recompressing your video.

If it looks good on your system, but looks lousy after it's been handled by Godaddy, it something they're doing on their end.

Dissolves are difficult to compress (and in your case, godaddy is recompressing again.) The reason? Codecs like h.264 only send a full frame (keyframe) every 5-10 seconds (yes, this can be changed) and then send only the pixels that update.

But that dissolve? Every pixel is being changed; which requires a higher data rate.

And the compression of compressed material? Makes it even harder.

So, just as a suggestion for your own sanity, what do you think of uploading it to youtube and embedding it into your webpage that you're hosting at Godaddy. This way, your video is no longer limited to 150 mb, you have Youtube which (arguable) handles more video than anyone else.


Jeff I. Greenberg
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