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Unexpected picture break-up

M

mihaid

Well-Known Member
I seem to have quite a few of those recently which I put down to weather/possible poor signal.

However, watching a recording I had lots of them. Eventually I caught up with live so switched to the live channel and saw none. At the next ad break I rewatched the segment I just watched live and guess what : break-up again.

The disk diagnostic comes good. No reallocated
 
That's why I asked how the aerial is fed to the TV and the T2. If it's aerial > T2 > TV, then ....... But if it's Aerial > splitter then separately to TV and T2 then....... But if the 'live broadcast' is coming from the T2 via HDMI then.......
 
mihaid said:
However, watching a recording I had lots of them. Eventually I caught up with live so switched to the live channel and saw none. At the next ad break I rewatched the segment I just watched live and guess what : break-up again.

The disk diagnostic comes good. No reallocated
Click to expand...
Could you post the full output of the disk diagnostic please.
 
ID Name Flags Raw Value Value Worst Threshold Life Left Notes
1 Raw_Read_Error_Rate POSR-- 236543053 120 079 006 -
3 Spin_Up_Time PO---- 0 097 097 000 -
4 Start_Stop_Count -O--CK 15730 085 085 020 82% -
5 Reallocated_Sector_Ct PO--CK 0 100 100 036 100% -
7 Seek_Error_Rate POSR-- 870887496 089 060 030 -
9 Power_On_Hours -O--CK 26073 071 071 000 71% -
10 Spin_Retry_Count PO--C- 0 100 100 097 100% -
12 Power_Cycle_Count -O--CK 7865 093 093 020 92% -
184 End-to-End_Error -O--CK 0 100 100 099 -
187 Reported_Uncorrect -O--CK 14773 001 001 000 -
188 Command_Timeout -O--CK 0 100 100 000 -
189 High_Fly_Writes -O-RCK 0 100 100 000 -
190 Airflow_Temperature_Cel -O---K 52 048 (52°C) 043 (57°C) 045 (55°C) In_the_past
194 Temperature_Celsius -O---K 52 052 057 000 -
195 Hardware_ECC_Recovered -O-RC- 236543053 047 033 000 -
197 Current_Pending_Sector -O--C- 0 100 100 000 -
198 Offline_Uncorrectable ----C- 0 100 100 000 -
199 UDMA_CRC_Error_Count -OSRCK 0 200 200 000 -
 
When you said that you watched the same thing live and recorded - can you clarify the way you did this.
Did you record something (whilst watching it live) and play back the recording. Or watch live and time shift back in the ad break to watch something again?
If you did the second, then there is something very odd. However, if you did the first, I'm wondering whether you have got two versions of the same channel - one from a local transmitter, and one from another transmitter. If the T2 is recording the weaker version (for whatever reason), this could explain the problem. Which channel(s) are causing the problem?
 
It was a ITV HD recording. I started watching the recording which was still being recorded about 15 minutes after it started, skipping ads I got to the end of the recording ie the live point when the play stops and you get the media display. At that point I went to the ITV HD live. No breakups. At the next ad break I rewatched the segment I just watched live from the continuing recording where I noticed the breaks again when there was none in the live broadcast. I only have one ITV HD channel
 
mihaid said:
ID Name Flags Raw Value Value Worst Threshold Life Left Notes
Click to expand...
I am not at home so can't compare the numbers with my drive but nothing leaps out at me. Are there any custom firmware processes running that might be consuming CPU time?
 
MartinLiddle said:
I am not at home so can't compare the numbers with my drive but nothing leaps out at me. Are there any custom firmware processes running that might be consuming CPU time?
Click to expand...
how can I find that out? not to say that the matter is now in the past.
 
mihaid said:
how can I find that out? not to say that the matter is now in the past.
Click to expand...
Telnet in and run top the next time you think something might be wrong (but I can't predict when that might be). I take it this isn't a continual problem? Were any other recordings taking place when the problem item was recorded?
 
MartinLiddle said:
Telnet in and run top the next time you think something might be wrong (but I can't predict when that might be). I take it this isn't a continual problem? Were any other recordings taking place when the problem item was recorded?
Click to expand...
That was the only recording
 
EEPhil said:
Any problems with other HD channels? (BBC1 and BBC4 or Channel4+1 for example)?
Click to expand...
I'm sure I had other recordings with break up but as I mostly watch them after the original broadcast I can't compare. I can't remember the various channels but I know for sure that it happened on BBC1 HD
 
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