Graves On SOHO Technology

We have invited the folks from Twelephone to appear as guests on the VUC call Friday, December 28th. If you’ve not heard of them, Twelephone is a new video calling service built using WebRTC and effectively leveraging Twitter as namespace. It’s just one of many new web communications applications arising from from the newly evolved WebRTC standard.

Chris Mathieu is the founder of the project. Chris has appeared on a number of VUC calls in the past. Chris has long been involved with telecom related APIs, including spending some time worth with the Voxeans who created Tropo.

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WebRTC is certainly a hot topic in some circles and definitely something to watch. Recently Erik Lagerway of Hookflash interviewed Alan Johnston of Avaya on the matter. They both share a lot of enthusiasm for WebRTC and the potential that it represents.

Mr. Johnston has written a book on WebRTC, which is mentioned on his blog. He’s giving away 10 copies. You have until the end of the day to get yourself entered via Good Reads.

Thanks to Chris Mathieu for pointing this out via Twitter.

For quite some time I’ve been looking for a way to leverage things like Skype video calling, Google Hangouts or Citrix GotoMeeting with HD Faces. However, I don’t want to use a webcam as the video source. I want to use a real, high-quality video source….preferably an HD-SDI video source.

Clearly I’ve got my own reasons for this sort of requirement. I work with equipment that outputs production grade video. By “production grade” I mean entirely uncompressed video. That’s 270 Mbps for SD and 1.459 Gbps for HD. It’s very clean video.

There are times when I need to be able to stream this kind of video to a remote site. Of course it’s not practical to send the uncompressed stream wholly unaltered. Well, it could be done, but for a hefty price.

Since the far end is typically an ad hoc location what I really need is a way to use an uncompressed HD-SDI source, but deliver a decent quality, sensibly compressed stream to something handy at the far end. It would be most ideal if it didn’t require an installed app to receive the stream. Finally, it should handle firewalls and NAT without flinching.

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This is a topic that seemingly will not go away, yet it’s not clear that there’s much uptake by customers. Going back two years, the first wave of “Smart HDTVs” were capable of running an embedded Skype application. With the addition of an optional camera/microphone module HDTVs from Samsung, Panasonic and others were able to provide 720p video calling from point-to-point.

While a curiosity, this capability was initially limited to the high-end models that priced around $3K. Then you had to add the optional camera module, which cost an additional $200-300. In addition, there were reports of interoperability issues with other types of Skype clients. Your pricey HDTV might not be able to call a Mac or  PC-based Skype client.

To be sure, the cost of smart HDTVs has been falling, making such capability available at prices closer to $1K. Even so, it’s just not clear to me that embedded video calling in smart TVs was the revolution that some expected. Asking around I’ve yet to find anyone who found the Smart TV apps a compelling argument for replacing their existing HDTV.

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The  May 25th VUC call with the teams from RIM and Truphone was interesting. It’s great to hear that RIM is taking audio quality seriously as they go forward. I certainly hope that they get some traction with that strategy. As someone who has trumpeted the merits of HDVoice for a few years, any help to raise awareness of the benefits of improved audio quality is truly appreciated.

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There’s a new tool in the office and I’m actually pretty excited about it. For several months I’ve had the Black Magic Design Intensity Pro video capture card. It’s a little PCIe card that has a variety inputs, most notably HDMI in and out.

In my currently working life this is part of a video monitoring solution. I take a SMPTE-292M HD-SDI feed from one of our products into a Black Magic Design Mini Convertor ($300) that converts HD-SDI into HDMI. Normally I take the HDMI feed into a consumer HDTV for display. This is dramatically cheaper than a proper broadcast monitor with an HD-SDI input.

While that arrangement works for real-time viewing of the HD-SDI stream, I had hoped for some way to capture the stream to disk. Back in February I tried the Black Magic Design UltraStudio SDI but ran into trouble with the USB 3.0 interface under Windows.

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