[opendtv] Re: 70th Anniversary Blu-ray and standard DVDs of the Wizard of Oz
- From: "John Shutt" <shuttj@xxxxxxxxx>
- To: <opendtv@xxxxxxxxxxxxx>
- Date: Tue, 6 Oct 2009 11:47:56 -0400
----- Original Message -----
From: "Manfredi, Albert E" <albert.e.manfredi@xxxxxxxxxx>
So much of the day, that 1080i or 720p is transmitting pillarboxed content
that my TVs and STBs cannot zoom in on. And there are the occasional
postage stamp commercials as well.
Much local ad insertion is still 4:3, including letterboxed 16:9 within a
4:3 frame, resulting in more than occasional postage stamping. The industry
as a whole is working furiously on implementing AFD throughout the broadcast
chain, so such material is properly upconverted to HD. However, many
advertisers actually shoot letterboxed 4:3 and don't want it blown up to
full 16:9 in the HD frame, because many cable systems throw away the left
and right edges when downconverting back to SD for basic tier cable
distribution.
Most network 16:9 content is shot and graphics strategically placed to
protect the 4:3 center cut. Many commericals are not.
However, the situation is still very fluid. Just last week, cable channel
Fox News began broadcasting all of it's programming in 16:9, requesting that
cable systems letterbox the channel. This includes national commercials.
My local system's ad insertions are still 4:3 full screen, however.
Hey Jeroen: How about Philips including channel-by-channel memory of
display settings of 4:3 SD channels? Remember that one channel is set to
"Movie expand 16:9" and another channel is set to "Super zoom." (BTW, I
agree that Philip's Super zoom is best in industry for credibly stretching
4:3 content onto a 16:9 screen.)
I've never seen a broadcast station change the transmission mode of its
multicasts, by the way. Typically, the -1 subchannel is always set to HD
and the higher subchannels are always set to SD.
The reason is that it upsets many OTA receivers used at DBS collection sites
and cable headends.
(Parenthetically, I read yesterday that one TV station is starting to
transmit 2 HD 720p and two SD programs in the same 19.39 Mb/s multiplex.
Not bad.)
Reserve judgement until you see the actual video, Bert. However, with
today's multipass encoders and more effective stat muxing, this is not
unusual, especially for PBS-style content. (No rapid sports scenes.)
John
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