Monday, December 31, 2018

Re: [Avid-L2] Capturing to ProRes422 in Avid creates a very small file?

 

No disagreement that a mixdown is faster but I'm working up against air so the ability to watch the content go to tape in real time is of tremendous value as I catch things along the way and can punch in fixes.  I'm not on the latest Avid version so file based inserts is not an option right now.

Another factor is I'm stringing out all kinds of mixed frame rate elements.  Some cut in 23.976 and some 59.94i so my protools audio stems vary in frame rate between different elements. 

With last minute changes to different elements, keeping track and augmenting video mixdowns or just sections of video mixdowns and audio mixdowns is less desirable then simply punching into a tape and recapturing and again it forces me to watch in real time for better QC assurance.

In a perfect world without all the last minute changes a mixdown would be more efficient but given all the dynamic elements in play tape just makes things more manageable over all.

If I was working at a major facility/network with a more rigorous file workflow I might work differently.  I don't have the time or man power to capture in another bay right now so it all comes through me.  Again recapturing the tape affords me a second pass at catching errors.


---In Avid-L2@yahoogroups.com, <bouke@...> wrote :


On 30 Dec 2018, at 19:37, bigfish@... [Avid-L2] <Avid-L2@yahoogroups.com> wrote:

Given the network wants DNX 145 instead of DNX 220X clearly storage space is more important. 

Not really.
Since broadcasts are (afaik) most of the time 8 bits, and are finished already, it makes no sense to have 10 bits shows to broadcast. And, it is 'good enough'
Over here MpegII (aka Sony XDcam) is the standard. That is just 50 Mbits, but long GOP. Small, compatible, elegant (even when it is a quite old codec.).
'good enough', and practical.

What I don't get, how is outputting a show to tape and re-digitize faster than a mixdown and export? That takes (besides setting up) 2 times RT. Any half decent machine should outperform that.
(And, does your facility has only one computer? You could capture on any el cheapo machine with a BM mini recorder or alike. That would also eliminate the resolution loss (HDcam is 1440 instead of 1920, not?))


Bouke

Edit 'B / VideoToolShed.com
van Oldenbarneveltstraat 33
6512 AS  Nijmegen
+31 6 21817248

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