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  #1  
Old 03-26-2011, 08:47 AM
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freewheeling freewheeling is offline
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Any way to force 720p 29.97fps?

I changed the output on my box to 720fps thinking I could then make a quicker conversion to the mp4 format acceptable to Roku, but the HD PVR now records at 59.94fps. Is there any way to change the file format to 29.97fps, which is what it used for 1080i?
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Old 03-26-2011, 10:26 AM
bcjenkins bcjenkins is offline
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i = interlaced
p = progressive

Progressive is twice the lines of resolution or 29.97x2

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Old 03-26-2011, 10:59 AM
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freewheeling freewheeling is offline
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Quote:
Originally Posted by bcjenkins View Post
i = interlaced
p = progressive

Progressive is twice the lines of resolution or 29.97x2

B
Yes, I know. But there is such a thing as 720p @30fps and I'm pretty sure that the HD PVR is capable of producing it. The problem is that SageTV can't (as far as I know) tell it to record at that rate using 720p, nor can it tell it to record files in the mp4 container instead of ts. I was hoping to produce files that the Roku device I'm using can play. Oh well, I can change the fps and the container in VideoRedo. It's just that it takes a long time for a major recode.
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Old 03-26-2011, 02:01 PM
Spectrum Spectrum is offline
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Sage won't record into an mp4 container due to playback limitations. If Sage allowed it you wouldn't be able to watch live recordings.

No one that I am aware of is using 720p30 as a broadcast standard and the specs on the HDPVR don't list 720p30 as an option. The chip may be capable of ecoding to it, but I doubt the drivers expose the ability. Even if they did your cable box is probably never going to produce 720p30 (because it isn't a standard) so it's a moot point.

If you just want to take 720p60 from a .ts container to a .mp4 container, that should be doable with no re-encoding required, but to cut the fps in half would require a re-encode.
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Old 03-26-2011, 02:50 PM
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stanger89 stanger89 is offline
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The HD PVR is only capable of recording in the format it is fed by the set top box, it has no capability to convert frame rate or resolution. You'd have to set the STB to 720p30, but that's not a standard format for most STBs.
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