Linked by Thom Holwerda on Thu 30th Sep 2010 23:04 UTC
Google A few months ago, Google open sourced the VP8 video codec as part of the WebM video project, to create a truly Free/free unencumbered video format for the web as an answer to the non-Free/free patent-encumbered H264 format. Today, Google launched a new image format for the web, WebP, which aims to significantly reduce the file size of photos and images on the web.
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RE[3]: Comment by hornett
by vaette on Mon 4th Oct 2010 09:15 UTC in reply to "RE[2]: Comment by hornett"
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It is hardly an opinion piece, he does rather in-depth technical commentary, and, more importantly, he produces photos using freely available tools. Completely reproducible, and I must agree that WebP has a hard time matching up to even JPEG in his test:

And, as quite often noted, JPEG is more or less the worst case compression-wise these days. The introduction of WebP is a lot like trying to introduce a new audio compression method with the argument that it beats MP3, while failing to match Vorbis and AAC. Sure JPEG is the standard choice on the web, but not because no one else has beat it on quality.

WebM remains a good thing to have around (though its greatest victory already happened when MPEG-LA loosened the h264 licensing deal for web streaming in direct response). WebP seems rather unnecessary though.

Really heartening in some ways to see his link at the end, where Theora through its years of retuning actually does a much better job than VP8 at this task:
I am hardly a huge Theora fan, but hats off to the Xiph guys for their hard work.

Edited 2010-10-04 09:17 UTC

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