» Video

Your Phone’s for Footballin’: Compression Efficiency Matters Again

Howdy Pierce It’s likely that delivery efficiency is going to get more important in the future.

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Posted In: Howdy, Video

EE Times: How to build video devices for the IoT

Mike Perkins I’ve got a new blog post up at EE Times, talking about how to build video devices for the Internet of Things: Video cameras are uniquely compelling sensors because vision is our dominant sense. Video is invaluable for applications such as license…

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Thoughts on Streaming Video Securely

Howdy Pierce The kind folks at EDN have asked Cardinal Peak to author an occasional blog about streaming video. The first post went live this morning and discusses streaming video securely: Until recently, the accepted wisdom in the industry was that end users di…

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Posted In: Howdy, Video

4 approaches to building digital video processing systems

Mike Deeds Mike Perkins and I wrote an article for Electronic Component News about the various approaches—hardware and software—to building a video encoder or decoder. Raw IC processing power has multiple manifestations including General Purpose CPUs (GP-CP…

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Equalized video latency is often more important than absolute latency

Tho Autruong When is low latency not that important? Answer: When the application is not real time, which is the case for the vast majority of video that we consume.

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Posted In: Tho, Video

The Continuing Devaluation of “k”

Howdy Pierce The digital video industry seems destined to make resolution confusing. I just got back from NAB last week, where “4k video” was everywhere, and I want to tell you a story about video resolutions. (This is all using the resolutions that are commo…

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Posted In: Howdy, Video

How Low Can You Go?

Mike Perkins 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 Effici…

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Posted In: Perk, Video

Measuring the Bitrate of a Video Stream

Howdy Pierce Occasionally we need to measure the bitrate of a particular video stream on the network. In this example I will show how to measure the data rate of a video streamed from Amazon.com.

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Using Lossy Video Compression in the Courtroom

Howdy Pierce I’m at the DSI conference in Las Vegas today, presenting a primer for law enforcement investigators on how video compression works and trying to answer the question of why “lossy” compression should be considered reliable for use in courtrooms.…

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Posted In: Howdy, Video

The h.264 Sequence Parameter Set

Ben Mesander This is a follow-up to my World’s Smallest h.264 Encoder post. I’ve received several emails asking about precise details of things in two entities in the h.264 bitstream: the Sequence Parameter Set (SPS) and the Picture Parameter Set (PPS). Both…

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Posted In: Ben, Video
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