Engineers at the Los Alamos National Laboratory in New Mexico are using data
compression developed for imaging nuclear blasts to help the US government
reassign analogue TV frequencies by 2006. The 20 megabits-per-second
high-definition TV signal normally takes up a whole digital channel. The lab
compresses it by throwing away image data “the eye will not miss” to create
enough space to squeeze in an analogue signal too. So after 2006, viewers can
re-tune analogue sets to a digital frequency, yet carry on viewing analogue
TV.
To continue reading, today with our introductory offers
Advertisement
More from Â鶹´«Ã½
Explore the latest news, articles and features
Popular articles
Trending Â鶹´«Ã½ articles
1
We've found a mysterious substance on Titan and Pluto
2
A quantum state that lasts forever may finally be within our grasp
3
Our brains have their first thoughts surprisingly early in life
4
Can prebiotics, probiotics or postbiotics help your ageing microbiome?
5
Has the answer to life's origins been hiding in our cells all along?
6
Cervical cancer deaths have plummeted thanks to HPV vaccine
7
Pigeons lock their eyes in place when they are flying
8
Chilling the body with drugs could limit brain damage from stroke
9
The secrets to keeping your brain sharp in old age
10
We may have finally solved cosmology's chicken-or-the-egg problem
