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" LAS VEGAS\u2014Yesterday afternoon at CES we got a bus-tour demo of Samsung&amp;#039;s new A-VSB television technology (the letters stand for the awkward mouthful of Advanced Vestigial Sideband television service) a system that is designed to enable mobile broadcast television using the existing broadcast TV bandwidth. It&amp;#039;s not surprising that many of the mobile television technologies we&amp;#039;re seeing at the show come from Korean companies such as LG and Samsung, since in Korea, watching TV on your phone is big business. Services such as Satellite Digital Multimedia broadcasting (S-DMB) and Terrestrial Digital Multimedia Broadcasting (T-DMB) have been available in South Korea for several years now, and the services are quite popular (but then again, so is kimchi). Normal digital broadcast television doesn&amp;#039;t do a very good job when televisions are in motion\u2014the signal tends to pixelate and break up\u2014so A-VSB inserts a tracking code into the normal broadcast signal. A-VSB televisions can see the signal, existing &amp;quot;legacy&amp;quot; TVs cannot. So, aside from chewing up a small section of bandwidth, A-VSB shouldn&amp;#039;t tarnish the signal for non A-VSB TVs. The system work quite well, delivering smooth video without digital breakdown or interference as you move, but the question remains whether Americans will be interested enough in TV on the go to manipulate the existing infrastructure. It might just take off, though, since the upgrades for TV broadcasters are cheap and backseat screens are already proving popular in cars. Eventually, the technology could find its way into devices such as cell phones, so that the last bastion of TV-free activities\u2014walking around\u2014can finally be rescued from its lack of live multimedia. Expect the A-VSB standard to be ratified this year by the Advanced Television Systems Committee and products could show up within a year and a half to two years. \u2013Glenn Derene Samsungs coming A-VSB technology works by inserting a tracking code into the conventional broadcast. "^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.popularmechanics.com/technology/gadgets/a1234/4210947/>