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Computer for editing 4k (150/100Mbps) Panasonic HC-X1E footage

Participant ,
Mar 07, 2017 Mar 07, 2017

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Hi.. We just got a Panasonic HC-X1E and was wondering what computer we would need to edit the footage without transcoding?  The main thing I am interested in is which CPU we would need.

The specs of the footage from the Panasonic site are:

Recording / Playback Mode

AVCHD

PS 1920x1080 59.94p/50.00p: Average 25Mbps (VBR)

PH 1920x1080 59.94i/50.00i/23.98p: Average 21Mbps (VBR)

HA 1920x1080 59.94i/50.00i: Average 17Mbps (VBR)

HE 1440x1080 59.94i/50.00i: Average 5Mbps (VBR)

PM 1280x720 59.94p/50.00p: Average 8Mbps (VBR)

SA 720x480/720x576 59.94i/50.00i (SIDE CROP/LETTERBOX/SQUEEZE): Average 9Mbps (VBR)

MP4/ MOV

4K 4096x2160 24.00p 100M: Average 100Mbps (VBR)

UHD 3840x2160 59.94p/50.00p 150M: Average 150Mbps (VBR)

UHD 3840x2160 29.97p/25.00p/23.98p 100M: Average 100Mbps (VBR)

FHD 1920x1080 59.94p/50.00p/29.97p/25.00p/23.98p 200M (ALL-Intra): Average 200Mbps (VBR)

FHD 1920x1080 59.94p/50.00p 100M: Average 100Mbps (VBR)

FHD 1920x1080 59.94p/50.00p/29.97p/25.00p/23.98p/59.94i/50.00i 50M: Average 50Mbps (VBR)

Did some googeling and still not really sure.  Can someone point me at any recent articles or give me your thoughts.

We are shooting in the 50p/150Mbps setting, but would shooting on maybe a 25p/100Mbps seating help?.

Ben

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LEGEND ,
Mar 07, 2017 Mar 07, 2017

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Honestly, I think you should eliminate the "no transcoding" rule and use Premiere Pro generated proxies for this type of media.

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Participant ,
Mar 07, 2017 Mar 07, 2017

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This is probably what we are going to have to do but be good to know what type of CPU power we would need if we upgraded out edit suits.

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Mar 07, 2017 Mar 07, 2017

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Hi Ben,

For more suggestions & opinions I have moved your thread to the Hardware Forum.

Thanks,

Kulpreet Singh

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LEGEND ,
Mar 07, 2017 Mar 07, 2017

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A pretty good answer to most any "What equipment should I buy?" question is: "The best that you can afford."

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Advocate ,
Mar 08, 2017 Mar 08, 2017

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"A pretty good answer to most any "What equipment should I buy?" question is: "The best that you can afford.""

Agreed!  But the problem is the definition of "best"!  That is what keeps this particular forum alive, and kicking.

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Participant ,
Mar 08, 2017 Mar 08, 2017

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Kind of but there is often various price-performance sweet spots.  The vibe I get is a dual socket 2015 i7 2.8Ghz desktop can handle it.  This is a LOT cheaper than a modern dual core Mac Pro.  There is always a price consideration for buying kit for a business, even in creative industries.

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LEGEND ,
Mar 08, 2017 Mar 08, 2017

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funkytwig  wrote

Kind of but there is often various price-performance sweet spots.  The vibe I get is a dual socket 2015 i7 2.8Ghz desktop can handle it.  This is a LOT cheaper than a modern dual core Mac Pro.  There is always a price consideration for buying kit for a business, even in creative industries.

Unfortunately there is no such thing as a dual socket i7, I assume you were talking about dual Xeon processors.  IF you would like to see how various CPU's can run Premiere Pro.  Take a look at my collection of CPU intensive scores from my newest Premiere Pro BenchMark (PPBM) site and you can roughly make you own trade-off of cost per CPU or CPU pair.

My personal sweet spot is highlighted and it is a single i7 6950X, much less expensive than the few very high end Dual Xeons for CPU intensive processing .  An then when you add in the additional expenses of more costly memory and more costly motherboard  it even makes it more desirable.

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LEGEND ,
Mar 08, 2017 Mar 08, 2017

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But the problem is the definition of "best"

The Internet abounds with CPU performance charts.  Some tests even use PP.

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Participant ,
May 09, 2017 May 09, 2017

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OK, I probably asked the wrong question.  It should be what processor is likely to work well.  I am guessing one of the recent 12 core xeons would do the trick but would a recent i7 6 or 8 core work?  Just looking for a few options of CPUs that, given the correct graphics card/HD, should give good performance playing 2/3 streams.

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LEGEND ,
May 10, 2017 May 10, 2017

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For any H.264 based media, I recommend using the Proxy workflow.  Stick to the included GoPro Cineform presets.  This will provide a marked improvement in performance, especially with effects.

And that brings us back to my earlier answers.  Read the benchmarks and get the best hardware you can afford.

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Explorer ,
May 19, 2017 May 19, 2017

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What about the DNxHD presets for proxies? I've used the 720p LB 8 bit.
I'm using it for Panasonic GH4 4K 100mbit (which is H.264 if I remember correctly).

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LEGEND ,
May 19, 2017 May 19, 2017

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Unless they were added in 2017.1, there are no DNx Proxy presets, which means you'd have to create them.  You can, of course, but I do think it's an unnecessary step.

I think the included Cineform presets are all one really needs.

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Explorer ,
May 19, 2017 May 19, 2017

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No, there aren't any DNx proxy presets in the latest version, I created my custom presets by myself in Media Encoder and then I've imported in Premiere.

I was asking that because the second computer I own (laptop) hasn't a powerful CPU, so I was wondering if there was any performance differences in timeline playback between Cineform and DNx.

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LEGEND ,
May 21, 2017 May 21, 2017

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I wouldn't expect any noticeable difference.

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