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Editing Alexa files in Avid Media Composer
For a feature being shot in India with an editor, and consultant editor from the US, and an asst editor trained in the US.
DIT, DoP, 1st/2nd AC all from India. (Why is this relevant? Read on…)Movie shot on Arri Alexa as ProRes4444 2k. No ArriRAW.
Here is a workflow that’s being evolved for editing Alexa ProRes on an Avid MC
On set DIT converts Alexa ProRes4444 media to Avid DNxHD36 .mxf files
On set sound mixer provides .wav files of sound recorded.DIT on set copies .mxf files to Avid Media files folder in his Avid system on set.
DNxHD36 files get populated into bins by dragging the .mdb file to a bin, or
DNxHD36 files get populated into bins by copying them from the media tool to binThese are video master clips representing camera clips. These will not be renamed.
Sound .wav files are imported into same Avid and placed in an Audio bin – day wise
DIT then drags all these video master clips to a new sequence
Then he syncs each video file to the corresponding audio files
Syncing either by eye-matching with the clap on screen, or by matching timecode if sound mixer has managed to match picture timecode and audio timecode.From this sync sequence sub-clips are made to a new bin, one sub-clip per video clip.
These are auto synced to get new autosync sub-clips.
Autosync sub clips are renamed as per shots they represent.
DIT then makes scene wise bins and populates them with auto-sync sub-clips.DIT then puts a watermark on a new layer in the sync sequence described above and exports this timeline for the director’s viewing for dailies.
All this happens on set and is done by the DIT because the editor of the film insists that’s how he’s used to getting it done in the US. In fact the editor says he has never seen an Alexa project with files named as camera files (Like A021C003_130212_R5TG.mov).
After wrap, DIT sends the edit facility a hard drive with Avid DNxHD36 files, audio .wav files, and an Avid project with bins containing clips and auto sync sub-clips
Then, at the edit facility…
Someone (probably the edit asst) copies the media files to the editor’s Avid system.
Opens project and checks for all clips to have arrived and reconnected correctly.These auto-sync sub-clips are then moved to bins scene-wise. and used for the actual editing of the film.
The editor’s assistant starts editing with the auto-sync sub-clips.The editor reviews the assistant editor’s cut and polishes it.
On this project, there’s a consultant editor who insists that the DIT does all the syncing, naming of clips, making bins and creating dailies – all this on set. Because that’s how ‘it’s done in Hollywood’.
Wonder how much DITs in Hollywood get paid for all this work.
When I edit a feature I never let anyone other than my own assistant do stuff like name clips, make subclips, bins etc. This belongs to the editor’s team.
DIT can copy, verify and transcode. And then he/she can go and get a life.
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Neil Sadwelkar
neilsadwelkar.blogspot.com
twitter: fcpguru
FCP Editor, Edit systems consultant
Mumbai India