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new tv technology

M

mike847

In the storm coverage the past few weeks I've noticed mobile units broadcasting live video and audio. Most of it is within Phoenix, but Channel 12 had two units west of Casa Grande and north bound out of Casa Grande on SR 347. Most of the video looks very good so I don't think it could be transmitted via cell towers.

Please enlighten me on this technology.

Thanks.
 
These are the so-called video backpacks, also known as Bundled Cellular Video. The video and audio are split into as many as eight cellular streams, and then reassembled at the receive site, allowing HD video over cellular networks. The backpacks are capable of going to places that are out of reach of traditional microwave/satellite trucks, as long as you are in an area with sufficient cellular bandwidth/coverage.

One drawback to the technology is latency; there can be several seconds of delay which makes back and forth conversations awkward. Usually reporters have to be "pre-cued" so they will begin talking at the right time without a huge lag.

As the technology improves, it will mostly (but not completely) replace the traditional "live truck" especially with the trend towards one-man-band multimedia journalism.

The "driving live shots" are pretty cool for severe weather coverage.
 
I believe Faux 10 uses another method. They project a highway scene
on a wall and place a vehicle in front of the "moving" scene. They have a
"reporter" supposedly photographing the roadway. Let's not forget
the "rain" coming down, provided by a person on a ladder with a garden
hose.
 
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