[mythtv-users] Problem Audio on Freeview HD BBC Channels

[John Pilkington]

On 05/06/11 17:44, Duncan Brown wrote:
> On 24/05/2011 18:13, Roy Thompson wrote:
>> On 23/05/2011 20:34, Glenn Callow wrote:
>>> That being said, clipping passed the ident (once the recording has
>>> finished) does fix the problem for me when it occurs.  I haven't been
>>> clipping inside mythfrontend though.  I'm using dd to snip the first n
>>> megabytes off the front of the file, and then place the (slightly
>>> truncated) file back in the same place.
>>>
>>> If you're clipping in mythtv, it could set the video and audio
>>> parameters by looking at the start of the file and that then doesn't
>>> fix the problem.
>>> www.mythtv.org/mailman/listinfo/mythtv-users
>> Snipping off the front with dd did the trick, thanks for the tip!
>>
>> Roy
>>
> Hi Guys
>
> Can you explain briefly how you are cutting the start off the recording
> to get round this issue?
>
> Thanks
>
> Dunc

#to skip 35 Mb from start of file and transfer 40 Mb as a test
#rename original recording file then:

dd bs=1M skip=35  count=40 if=2506_20070123200000.mpg0 
of=2506_20070123200000.mpg

#and test for correct playback
#then omit the count= parameter?

HTH

John P