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Re: [LUG] OT Digital TV

 

Brad Rogers wrote:
> On Fri, 08 May 2009 20:05:58 +0100
> Julian Hall <linux@xxxxxxxxxxxx> wrote:
>
> Hello Julian,
>
>   
>> c) bandwidth - not sure which is better on this one, but logically 60 
>> million people pulling the same programme at once would pull more than
>> 2 million, and the signal would get a bit choppy I would suspect due
>> to data loss.
>>     
>
> This sort of thing isn't an issue for analogue transmissions (for
> practical purposes) on TV or radio, so why should it be an issue for
> digital?  TV is tx only don't forget, not tx/rx.
>
> Finally, add;
>
> d) poorly suppressed UHF transmissions.
>
> This means, for the most part, vehicles with rubbishy spark plug caps.
> Not a big issue in rural areas, but when I lived in an urban area, it
> could be quite noticeable.  On a couple of occasions, the digibox locked
> up, and had to have a hard reset (power disconnected) to recover.
>
>   
I've seen powerline/powerplug/ethernet over powerline adapters cause a 
few freeview digiboxes to freeze - those awful Thomson TuTV boxes seem 
to be the badly affected  with them being prone to freeze whenever a 
washing machine changed cycle,  fridge compressor fired up,  tuble dryer 
changed direction and even truning a light on or off.

Dave


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