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Re: How to set Bitrates and Datarates for MPEG2's

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Jeff Pulera
Re: How to set Bitrates and Datarates for MPEG2's
on Jul 27, 2018 at 2:57:13 pm

I'm fairly certain the client is requesting an MPEG-2 file for their video server, as a TV or cable station would use. This MPEG-2 file will use different parameters than MPEG-2 DVD format.

"Datarate at 8000 kb/s and a Bitrate of 224 kb/s"

8000 is the VIDEO data rate, with AUDIO being 224

As a starting point, I have selected MPEG-2 as the export Format, and chose the DG FastChannel 480 Preset, as that preset is for a playout server. This gets us in the ballpark, then a few tweaks need to be made.



The client needs to get you more specific information yet, such as:
  • 4:3 or 16:9
  • Progressive, Upper Field, or Lower Field
  • MPEG or Dolby Audio

Under the VIDEO tab, I've changed 4:3 to 16:9, and Lower Field to Progressive, and video bitrate to 8. Just guessing on aspect ratio and fields though, check with client for their preference.



Under the AUDIO tab, MPEG audio was the default and I only changed bit rate to 224.



I'm sure this will be helpful to get you going, but definitely consult with client to get additional details as mentioned above.

Thanks

Jeff Pulera
Safe Harbor Computers


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