En el artículo , Dave Plowman (News) escribió:
Filtering out background noise, or noise-cancelling, is easy.
Ingenious
May 20, 2015
29 Replies
Really? Try telling broadcasters that.
HF audio at about or above the limit of hearing is very directional - especially from a transducer not designed to minimise this. That includes speakers and microphones. Which are generally about as cheap and low spec as possible in a laptop or whatever.
The whole idea is just pie in the sky.
On 20 May 2015, Andy Burns grunted:
+1
Haven't heard of either of those.
I guess ClearChannel are suddenly less blasé about security of their electronic billboards ...
En el artículo , Andy Burns escribió:
:)
"It probably wouldn't be a stretch to assume that the billboard company cares a little bit more about security now. Get it? Stretch?"
Made oi smile.
Tee-hee.
There's a web-site somewhere of all the places people have managed to sneak g***se into publications, usually in cartoon form.
On 20 May 2015, Tim Watts grunted:
Ooh, topical:
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***se-billboard-atlanta/
How apt - I saw that earlier. G***se'd an entire town - class...
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(It is safe for work etc)
Some are more secure than others.
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