Blog Post
How Low Can You Go?
Last night I went to the Denver IEEE meeting of the Signal Processing Society. I was particularly interested in this talk because it was given by Gary Sullivan, the co-chair of the recent international standardization effort to create the High Efficiency Video Coding Standard (HEVC).
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Blog Post
The H.264 Sequence Parameter Set
The H.264 bitstream includes the Sequence Parameter Set (SPS) and the Picture Parameter Set (PPS). Both entities contain information that an H.264 decoder needs to decode the video data, for example, the resolution and frame rate.
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Blog Post
Yet More Patent Insanity
Evidently the Justice Department is investigating MPEG LA on the grounds that they may be stifling innovation in the area of standards for web video. From today’s Wall St. Journal: The Justice Department is investigating whether a group representing some top technology firms is unfairly trying to smother a free rival technology for delivering online…
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Blog Post
We Need VP8 Like a Fish Needs a Bicycle
I’ve been waiting for a little to mull over Google’s announcement about dropping H.264 support in Chrome in favor of VP8. Although my partner Ben Mesander would take the other side of the argument, I think the world needs VP8 like a fish needs a bicycle.
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Blog Post
Encoders Aren’t Commodities
My partner Ben Mesander had a really cool post the other day: An H.264 encoder written in 30 lines of C code. Ben’s encoder outputs completely valid H.264, but it doesn’t actually compress anything. (What do you expect from 30 lines!) In fact, because of the necessary H.264 headers, the output of Ben’s encoder is…
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Blog Post
IACP Product Introduction
I just spent the last three days at the IACP show in Denver — the annual conference and expo for the International Association of Chiefs of Police. For anyone who was once a 12-year-old boy, IACP is about as cool as it comes because there are all sorts of cop paraphernalia on display — from…
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