This IS the Avid L2: correction *Re: [Avid-L2] working directly with Avid mxf files in other programs

I wrote:

> This does exactly the same thing, as it uses the QT engine, you don't even need QT pro. (this only works on Mac i think)

Small correction, it DOES work on Win as well, but you can only export to codecs that QT knows, and afaik, QT does not export to Prores on Win.

But whatever there is in QT, it is also in QTchange.

Bouke

VideoToolShed
van Oldenbarneveltstraat 33
6512 AS NIJMEGEN, the Netherlands
+31 24 3553311

----- Original Message -----

From: 'Edit B' bouke@editb.nl [Avid-L2]

To: Avid-L2@yahoogroups.com

Sent: Wednesday, May 27, 2015 11:04 AM

Subject: Re: *** SPAM ***Re: [Avid-L2] working directly with Avid mxf files in other programs

Note that QT export is slow.

But, if you like it, do note that QTchange can export to Prores as well.

This does exactly the same thing, as it uses the QT engine, you don't even need QT pro. (this only works on Mac i think)

Check the 'export / transcode' checkbox, and press 'do it'

your TC will be retained this way, and you can work in batch if you like.

If you have all codecs the same in your timeline, you could export a QT ref, and use QTchange to flatten.

(But you can do the same from Avid, with same as source export)

If you want another app. to do the transcode, and you need to retain the TC while the transcoder strips it, there is another trick:

QTchange can save the TC attributes from the source.

(You end up with a .att file next to the sources)

Move those files to the transcodes, setup QTchange to use the .att files, load clips and refresh TC.

This will add the source TC to the transcoded files.

I have no clue what you mean with the 'interleaved 12 channels', but i do have an app. that can alter audio in a QT.

(patch, move channel numbers, leave channels out, duplicate channels, that kind of stuff.)

It does not care how the tracks are build up, it will happily eat a source with 3 stereo tracks, 4 mono tracks and a 5.1 surround track,

and merge that into one single 13 channel track.

Let me know if you want to toy with it.

Last but not least, please try to use the enter key every now and then.

Just think of breaking up your text into scenes that have a bit of meaning on their own.

hth,

Bouke

VideoToolShed
van Oldenbarneveltstraat 33
6512 AS NIJMEGEN, the Netherlands
+31 24 3553311

----- Original Message -----

From: bigfish@pacbell.net [Avid-L2]

To: Avid-L2@yahoogroups.com

Sent: Wednesday, May 27, 2015 3:19 AM

Subject: *** SPAM ***Re: [Avid-L2] working directly with Avid mxf files in other programs

Couldn't you export QT Ref of the clips you have captured. Then use QT Pro 7 to export to ProRes. I do this for ProResHQ delivery of final shows. IIRC you can highlight a clip in a bin and export it. I forget how marks on the clip will effect that, I think it's based on your export settings. I would think you could either clear the marks or mark in and out for the entire clip and export a QT Ref. One of the downsides to this is the ProRes file has no matching time code. I have QT Change and just add it back which is easy especially for show masters. I can see how that would be more painful with random clip time codes but it would leave the Avid free to keep capturing. I don't fight the dreadful gamma shifts etc... with this workflow on show masters. I bet squeeze would also do this but once I got QT Pro to work for me I'm kinda stubborn to change although that's just me. Contempt before investigation has me stuck. I do foresee having to change soon as I find some of the QC people flag the resulting "interleaved" single audio track with all the 12 channels as discrete channels inside as a potential issue. I don't see what that is about given I can ama back to the resulting file and access all 123 channels. Perhaps some server ingest workflows balk at this? The one time it was flagged for a Netflix delivery I checked with Netflix directly and they said it wasn't a problem for them so I am as always in the file based limbo world.

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

Thanks Curtis & Mark,

Sadly I'm using an old Avid MC with Mojo SDI and I think one has to be using MojoDx to capture to ProRes. If I see a potential "volume" business I will get a new box that will do ProRes natively. I'd first would like to get my head around what software will work with Avid MXF files, anyone know?

Thanks,

Paul

On May 26, 2015, at 2:19 PM, Curtis Nichols curtisn@... [Avid-L2] wrote:

FWIW, you could dub to AJA KiPro, or any other file recorder, instead of dubbing to MC. I realize that may be added cost to a simple project that already has a paid-for Avid. But it's also a one-step solution. Then all you'd have to do is rename the files and copy to archive storage media.

Curtis Nichols
PCS Production Co.
Irving, TX.

On Tue, May 26, 2015 at 8:05 AM, Paul Dougherty lists@... [Avid-L2] <Avid-L2@yahoogroups.com> wrote:

I'm using an older Media Composer to capture 1:1 lossless NTSC for archival purposes. For this project the preservation format or digital master will be ProRes. I'd like to be able to distribute the processing ie. not tie up the Avid for transcoding but keep it free to do capture. Is there a way to skip the "export to Qt" step and work directly with the mxf "capture" files? (1 video & 2 audio in Premiere for example?)

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