[mythtv-users] Prebuffering pause
Yan Seiner
yan at seiner.com
Sun Feb 8 03:05:30 UTC 2009
John Finlay wrote:
> Yan Seiner wrote:
>> Brian Wood wrote:
>>> On Saturday 07 February 2009 13:57:46 Jay Summet wrote:
>>>
>>>
>>>> However, as your signal strength is less than 100, I don't think your
>>>> signal is so strong as to be overwhelming the tuners. My
>>>> suggestion: If
>>>> your SNR is lower than 80, try repositioning one of the antennas
>>>> radically (30-90 degrees) to see if that changes anything for your
>>>> "problem" station.
>>>>
>>>
>>> Good suggestion. he may be getting multipath problems, a situation
>>> where you have lots of RF signal, but it's not usable due to it's
>>> coming from many different directions with differing time delays.
>>>
>>>
>> That's what I'm afraid of... I wonder if the HDHR is more sensitive
>> to multipath. I have 2 highly directional antennas set at 90 degrees
>> to each other. That means that one should get strong signal on that
>> channel and the other should get a weak signal or none at all.
>>
>> Instead, I get 96% and 93%.
>>
>> Channel 17: no problem.
>>
>> selene:/usr/src/hdhomerun# hdhomerun_config 1016467C set
>> /tuner0/channel 8vsb:17
>> selene:/usr/src/hdhomerun# hdhomerun_config FFFFFFFF get /tuner0/status
>> ch=8vsb:17 lock=8vsb ss=54 snq=35 seq=0 bps=19395584 pps=0
>>
>> Channel 39: problem.
>>
>> selene:/usr/src/hdhomerun# hdhomerun_config 1016467C set
>> /tuner0/channel 8vsb:29
>> selene:/usr/src/hdhomerun# hdhomerun_config FFFFFFFF get /tuner0/status
>> ch=8vsb:29 lock=8vsb ss=93 snq=66 seq=100 bps=0 pps=0
>>
> You sstate the problem channel is 39 but the status shows 29. Is the
> 39 a typo?
Typo.
It seems to be a HDHR issue; I put a splitter on the antenna and ran one
leg to the PCDHTV3000; it doesn't have the problem.
I'm guessing it's really bad at multipath rejection.
More information about the mythtv-users
mailing list