[mythtv-users] announce: script for locating QAM channels

[Brian Wood]

On Mar 5, 2006, at 6:27 AM, Matt Mossholder wrote:

> On Sat, 2006-03-04 at 22:10 -0700, Brian Wood wrote:
>> You say you have "signal strength" problems. "Unwatchably choppy"
>> might describe what I have seen when using the azap/mplayer method on
>> the 288 streams that atscscan found on my system.
>>
>> But the BER shows zero on all of these channels, so I don't think it
>> is a signal strength problem.
>>
>> What did your system show for BER ?? I wonder if you are having the
>> same problem I am. If I just run azap it shows "FE has lock" on every
>> line, but when I run mplayer to try and watch a stream I then see
>> many lines without the lock message, although a lot of them have it
>> also.
>>
>
> I've yet to have BER show as anything but 0 on my system, but if I  
> have
> a weak signal, I'll definitely get bad reception(artifacts, choppy
> sound, etc.).  A amplifier cleared all that right up.
>
So it sounds like the reported BER is meaningless ??

I'll try connecting my card further upstream to see if this makes a  
difference. I had been assuming that a zero BER meant I had  
sufficient signal