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tif to dpx (hundred thousands of files)

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Kiki Muchtar
tif to dpx (hundred thousands of files)
on Feb 25, 2015 at 2:52:05 pm

Hi,

I hope this is the right forum (not sure whether should ask the question here or in Media Formats).

We scan 35mm film so we get 2K RAW files. A certain limitation of the scanner makes us convert the RAW files to TIF sequences. But then because of storage limitation, we have to convert the TIF files to DPX.

What software we could use for the conversion (Mac & Windows)? Image software or video tools?

Please help, thank you.
Kiki


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Tero Ahlfors
Re: tif to dpx (hundred thousands of files)
on Feb 25, 2015 at 6:36:00 pm

TIFF and DPX files should be very similar in size if they're the same bit depth. Also if you're transcoding you'll still need a lot of space because then you have both the TIFF and the DPX files.


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Dave LaRonde
Re: tif to dpx (hundred thousands of files)
on Feb 25, 2015 at 7:06:23 pm

Agreed.

You don't need need an alternate file type, you need more storage.

Dave LaRonde
Promotion Producer
KGAN (CBS) & KFXA (Fox) Cedar Rapids, IA


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Kiki Muchtar
Re: tif to dpx (hundred thousands of files)
on Feb 26, 2015 at 1:38:33 pm

In our case, the TIF is 50% bigger than the DPX. We don't mind if we have to provide more HDD storage, because once we convert it to DPX we then copy to LTO. So HDD is not an issue, it's the LTO tape, hence we need to have DPX (because mostly we need 1 tape with DPX, but 2 with TIF).

So we need to know which software we could use to transfer TIF to DPX. Thanks.


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Tero Ahlfors
Re: tif to dpx (hundred thousands of files)
on Feb 26, 2015 at 3:09:25 pm

[Kiki Muchtar] "In our case, the TIF is 50% bigger than the DPX. "

Then you're losing data on the transcode, which begs the question: Why aren't you capturing straight to DPX anyway? If you only have a few really long scans you could use Adobe Media Encoder for this. If you have a lot of sequences you'd want a software that can read multiple sequences in one folder like Davinci Resolve.


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Kiki Muchtar
Re: tif to dpx (hundred thousands of files)
on Mar 6, 2015 at 2:53:36 am

Hi Tero, our scanner only produces RAW. We can only process RAW with computer attached to the scanner to either DPX or TIF. The problem is the conversion to DPX (from RAW) takes 4 times longer than to TIF. But, our workflow require us to save the conversion to LTO. In the end we want DPX because the file size smaller than DPX. In summary:
1. Save time: RAW conversion to TIF.
2. Save space (in LTO): convert TIF to DPX.

Hence we'd like to have a batch image converter software to do it.


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Ju Dor
Re: tif to dpx (hundred thousands of files)
on Nov 22, 2015 at 1:05:44 pm

@Tero
Can you elaborate on this? I am interested in Resolve as an encoder.
Are you saying it powerful enough to encode several sequences simultaneously? I guess this would depend on the computing power + drive speeds, but that's interesting nonetheless

"if you have a lot of sequences you'd want a software that can read multiple sequences in one folder like Davinci Resolve"


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Tero Ahlfors
Re: tif to dpx (hundred thousands of files)
on Nov 22, 2015 at 4:11:37 pm

[Ju Dor] "Are you saying it powerful enough to encode several sequences simultaneously?"

No. I'm saying that it can see multiple sequences in a folder and show them as single pieces of footage. In AE or Premiere you see the whole folder and you need to find the sequences yourself.


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