[opendtv] Re: Analysis: Should Apple Buy Hollywood?

  • From: "Mike Tsinberg" <Mike@xxxxxxxxxxxxxx>
  • To: <opendtv@xxxxxxxxxxxxx>
  • Date: Mon, 5 Mar 2012 16:40:38 -0500

If incoming video is interlaced and compression is progressive the output of
the decoder can be interlaced again. That second process of progressive to
interlace conversion is less expensive then progressive to interlace
conversion and inherently less lossy. 

Mike Tsinberg
http://keydigital.com



-----Original Message-----
From: opendtv-bounce@xxxxxxxxxxxxx [mailto:opendtv-bounce@xxxxxxxxxxxxx] On
Behalf Of Mark Schubin
Sent: Monday, March 05, 2012 3:53 PM
To: opendtv@xxxxxxxxxxxxx
Subject: [opendtv] Re: Analysis: Should Apple Buy Hollywood?

Good luck with CBS, NBC, PBS, HBO, Showtime, etc.

TTFN,
Mark


On 3/5/2012 3:46 PM, Manfredi, Albert E wrote:
> Mike Tsinberg wrote:
>
>> Some of the reasons [for going to only progressive transmission with 
>> H.265] could be compression efficiency for progressive is better then 
>> interlace and interlace to progressive conversion is relatively low 
>> cost and reasonable quality now.
> And also, this I agree with Craig, the population of interlaced DTV
receivers out there is most likely dwindling fast.
>
> In the earlier days, interlace in source material and in displays (like
CRT HDTV sets) was still common.
>
> Given this state of affairs, it probably does make sense to de-interlace
at the source end, before compressing and broadcasting DTV, these days.
>
> Bert
>
>
>
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