[opendtv] Re: News: Nielsen Gives Fuzzy Picture of HDTV Penetration

  • From: "Mark A. Aitken" <maitken@xxxxxxxxxx>
  • To: opendtv@xxxxxxxxxxxxx
  • Date: Thu, 08 Nov 2007 15:36:34 -0500

Looking at your numbers, it is odd to see combined video bitrates for program streams of the same station that (when added together) = more than 19.39Mb/s. What's the deal there?


Not withstanding that oddity..15Mb/s for SDTV...what a waste !

John Willkie wrote:
Here's the video parameters for program 2 on KAKM (PBS) in Anchorage as of
10/20/2007 at 06:50:54 gmt:
MPEG Video: Bitrate 12.000 Mbps Resolution 704 x 480i
MPEG Video: Framerate 29.97 fps Aspect Ratio 4:3 Chroma Format 4:2:0

Here's the video paramters for program 3 on the KAKM, as of the same date
and time:
MPEG Video: Bitrate 12.000 Mbps Resolution 704 x 480i
MPEG Video: Framerate 29.97 fps Aspect Ratio 4:3 Chroma Format 4:2:0
24Mb/s?
Here's the video parameters for program 2 on KCET (PBS, LA) as of 10/26/2007
03:20:15 GMT
MPEG Video: Bitrate 15.000 Mbps Resolution 704 x 480i
MPEG Video: Framerate 29.97 fps Aspect Ratio 4:3 Chroma Format 4:2:0

Same station, same time, program 3
MPEG Video: Bitrate 15.000 Mbps Resolution 704 x 480i
MPEG Video: Framerate 29.97 fps Aspect Ratio 4:3 Chroma Format 4:2:0

Same station, same time, program 4
MPEG Video: Bitrate 15.000 Mbps Resolution 704 x 480i
MPEG Video: Framerate 29.97 fps Aspect Ratio 4:3 Chroma Format 4:2:0
45Mb/s?

--

Regards,
Mark A. Aitken
Director, Advanced Technology

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