[mythtv-users] Myka is Shipping
digitalaudiorock at gmail.com
Thu Jun 18 23:50:18 UTC 2009
On Thu, Jun 18, 2009 at 7:07 PM, Brad Fuller<bradallenfuller at gmail.com> wrote:
> On Thu, Jun 18, 2009 at 3:58 PM, Brian Wood <beww at beww.org> wrote:
>> On Thursday 18 June 2009 16:08:13 Brad Fuller wrote:
>> > > I wonder if it's just your local station that's the problem.
>> > I don't think local stations transcode their material. All are the same,
>> > I
>> > believe. But, I could be wrong.
>> Well sort of. Some stations decode the MPEG stream they receive from the
>> networkto baseband, so they can insert commercials, then re-encode before
>> transmission. Other stations have devices that allow them to insert
>> into an encoded stream.
>> Remember stations have to switch and otherwise manipulate the video they
>> receive from their network feed.
>> Both cases allow for all sorts of problems to happen at the local station
> I was under the impression that they've moved on and everyone is doing
> insertion now.
> Brad Fuller
Jeez...I would certainly hope so...doubling the mpeg encode/decode
artifacts as a regular practice would be criminal.
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