AVS Brings RF 4K HDR Coverage to HGTV's Rose Bowl Coverage

AVS Brings RF 4K HDR Coverage to HGTV's Rose Bowl Coverage By Ken Kerschbaumer, Editorial Director

Friday, January 5, 2018 - 4:00 pm

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HGTV, Aerial Video Systems (AVS), and AT&T worked together to make some UHD history during the Rose Bowl parade as an AVS wireless transmission system was used to transmit 4K HDR images from a Sony F55 camera during HGTV's 4K coverage.

AVS brought 4K wireless RF coverage to the Rose Bowl Parade for HGTV's 4K coverage.

Randy Hermes, AVS president and founder, says AVS tapped Broadcast Wireless Systems in the UK to provide the Sapphire 4K encoder and decoder. A Sapphire encoder board was slotted into the AVS Link transmitter and an external Sapphire decoder box was used on the receive side. Images were 3840 2160 and transmitted at 36 Mbps via dual 10 MHz in the 7 GHz band.

We were able to keep everything the same for the guys [working with the system], he says. Latency within our system was between 80 and 100 milliseconds and when it went all the way through the HDR processing, the external frame sync, etc. in the truck the latency was between 225 and 280 milliseconds.

Hermes says AVS has been working on the system for some time now and it wasn't until about two weeks prior to the parade that all of the technical pieces fell into place.

We did testing at our office and the system actually worked better at the parade because it is a more environmentally friendly area, he says. I was quite impressed with it.

He says the system is still a work in progress with new code for decoding being written every day. He admitted some nuances still need to be worked out and that the cameramen were instructed to avoid any fast pans and fast zooms.

You could not tell the difference between the wireless and 4K hard cameras in the truck, he says. We will be taking it to some entertainment shows for some testing and we will be totally rocking and rolling within a month.

LINK:	https://www.sportsvideo.org/2018/01/05/131830/...
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