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45mbps CBR .MTS

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Alasdair Kearney
45mbps CBR .MTS
on May 8, 2018 at 5:59:43 pm

Hello,

I've shot some web content for a client who is now looking to run TV spots in the U.S. I've been given the tech specs for delivery and struggling to find out how to get the required constant bit rate of 45mbps. I'm cutting with FCPX and would normally use compressor but the MPEG-2 transport stream settings don't seem to allow the correct format. Is this possible? Any help or guidance with this would be hugely appreciated. ☺ Tech specs below:

Stream Type MPEG-2 Transport Stream
Video Bit Rate 45 Mbps- Constant
Frame Rate 29.97 (1080i), 23.98 (1080p), 59.94 (720p)
GOP Long GOP
Aspect Ratio 16:09
Pixel Aspect Ratio 1
Width/Height 1920x1080 (1080i) or 1920x1080 (1080p) or1280x720 (720p)
Chroma 4:2:2
Interlacing 1080i *Upper/top field first or 1080p
(Progressive) or 720p (Progressive)

Audio Type PCM or MPG
Audio Sample Rate 48kHz
Audio Bit Rate 16, 24
Closed Captioning 608 or 708 captioning with afd flags
Files
HD Audio Specs MPEG
Encoding MPEG-1 Layer 2
Channels 2-Stereo
CALM ACT 24 LKFS plus or minus 2dB
Peak Audio True Peak level should be kept below -2 dB
TP


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Craig Seeman
Re: 45mbps CBR .MTS
on May 8, 2018 at 6:58:26 pm

I had been using Telestream Episode for this. It's EOL though.
Compressor gets you most of the way but I think the max bit rate is 40mbps.



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