RE: Bl**dy OnDigital...

[Keith Doxey <ukha@xxxxxxx>]

The trouble is that OnDigital are using such a low bitrate to cram as many
channels onto the 6 Muxes that there is very little room for error
correction, therefore even minor errors cause  noticable artifacts :-(

Keith

-----Original Message-----
From: James Hoye [mailto:james.hoye@xxxxxxx]
Sent: 21 August 2001 11:31
To: ukha_d@xxxxxxx
Subject: RE: [ukha_d] Bl**dy OnDigital...


> I've done all of this. Analogue channels are better (back to as
> good as they
> were before they had to struggle through the OD box) and digital
> channels have
> loads of oomph, but still I get breakup at times.

If you fire one of those peizo gas igniters in the vicinity of an analogue
set, you get loads of interference across the screen.  I suppose the
electrical interference has the same effect on the digital signal since
this
is just an RF signal.  Error correction will do its best to a point, but if
the bitstream is too corrupted then you're going to get break up.  Same
goes
for motorbikes and cars without supressors, light switches, in fact
anything
that generates a spark and causes an electromagnetic disturbance....

James H


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