[mythtv-users] Dirty haze on certain channels

jr jraymyth at gmail.com
Sat Feb 19 04:52:44 UTC 2011


On Fri, Feb 18, 2011 at 2:33 AM, Michael T. Dean
<mtdean at thirdcontact.com> wrote:
> On 02/17/2011 10:54 PM, jr wrote:
>> I am running a Myth FE/BE on a IONITX L-E with an HDHR and a HDPVR.
>> When recording on the HDHR it works well, except on the CW and
>> occasionally on Fox, where I see a sort of dirty film over the
>> picture.  Especially, on the particularly dark scenes.  Its looks like
>> someone wiped the screen with a dirty cloth leaving a dirty haze.  It
>> last for a few seconds, disappears, then happens again.  Is there a
>> name for this phenomenon?  The terms "dirty," "film," and "haze" do
>> not return much.
>
> Ghosting of previous images?  If so, it sounds like someone (CW/Fox or
> your local broadcaster or your local re-broadcaster (cable co)) is
> encoding with a bad encoder (or bad encoding options).
>
> Mike
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>
 I am not sure. Its like at some point during the scene, the recorder
makes a light charcoal rubbing of the scene on transparent paper, then
removes the paper, waits a few seconds and does it again.  We just
finished watching two episodes of first season Supernatural that I
ripped from my DVD, and saw the same effect through MythVideo, if less
often.


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