Doing an overwrite edit into a sequence with multiple tracks and versions… “Error - Please patch the track and try again”
I give it a quick flick and now it works… but I have no comprehension of this concept/mechanism/function.
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Yeah the three way editing has esacped my grasp all these years 
What are these yellow arrows doing 
What happens when my V1.1 is green or not green?
If on my Record sequence the track number is not green, I have to go to the Source sequence and flick the track number to the left of the eyeball icon until it clicks over and become red.
Yellow arrows I use once in a while when I want to extract/delete a segment in my edit and want all other tracks to ripple through as well, so things will keep in sync.
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I have to agree. I know virtually nothing about what the yellow arrows do or why there are multiple boxes with version/layer and why it matters if they are green or not. I just discovered you can actually drag and drop those to change them.
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Yellow arrows mean if you have Ripple on it will affect those layers as well.
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It’s track patching!
When you do insert/overwrite edits, the tracks of the source clip are on the left, and the tracks of your sequence are on the right. You drag the source track boxes up and down to ‘patch’ them to the destination track; when you click them and turn them green, that means the track is enabled and will be acted upon when you perform the edit.
Say I have a source clip with 1 video track (V1), 2 mono audio tracks (A1 and A2), and 2 stereo tracks (A3 and A4) Consider this:
In my sequence with the source clip loaded in the source monitor (IE the green tab, LeSource Clip), if you look at the source track boxes in the left column, looking at the green (enabled) ones I am set to make an edit where V1 of the source clip will go to V2 of my sequence, A1 and A2 of the source will go onto A2 and A3 of my sequence, and A4.L/R will go to A4.L/R of my sequence. You’ll see A3.L/R of my source is patched to track A1.L/R of my sequence, but that track isn’t enabled (not green) and so no edit will happen on that track. The last stereo track A5 of the sequence has nothing patched to it (there are no more stereo tracks in the source) so no edit will happen on that track either.
After performing an Overwrite edit, the result is:
with the newly edited clips in the sequence selected in yellow so you can see they correspond with the green boxes showing what tracks were enabled for edit.
The yellow arrows are the Sync Lock buttons. Undoing the Overwrite edit and starting over with my first screenshot, with all the yellow arrows turned off if I instead do an Insert edit, the result would look almost the same except a cut would be made on A2 and A3 and the existing audio would be pushed down in time, making it go out of sync with the video on V1 which didn’t get pushed down because V1 wasn’t enabled for edit. However if I turned the yellow arrows on for all tracks, doing the same insert edit would operate on every track and create a hole in the other tracks including V1, A1 and A5 which aren’t even enabled for edit. But everything would remain in sync. Which is why those arrows are called Sync Lock buttons 
This would all better shown in video, but hopefully this helps.
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If it’s green, when you do an edit using hotkeys, that’s where the media goes - see track patching comment @PlaceYourBetts
Also the little yellow arrows are very useful when doing cutdowns - synch up titles and picture with ripple and trim.
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I have yet to read all about track patching… but just came across another… Why does Match not do anything unless you at least have Use Sequence Info ticked. (i want to be able to match out without segment connections)
Just been asked a question - 5.1 audio: someone wants it supplied in film order not SMPTE. Is this a thing or is it like Tartan Paint?
Yeah I’ve done that before. I swear the different channel orders used to be listed on the 5.1 audio wikipedia page but I can’t seem to find them now.
5.1 is just 5.1 isn’t it ?
Its been at least 6 or 7 years since I’ve done this so things may have changed in the intervening period, but the order that you lay the channels down is different for each standard.
I believe the smpte order is L R C LFE LS RS and then adding the stereo mix on top of that for 7.1.
I think the film order is L C R LFE LS RS, but don’t quote me on that.
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Ask them for specs.
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Ryland is correct.
L/R/C/LFE… is SMTPE - which is how it’s usually delivered to streamers.
L/C/R/LFE… is film and how it gets burned to BlueRay for example (just had to do that a few weeks ago)
Not all 5.1 is created equal, nor is is 7.1… or any of the higher ones like 7.1.4, 9.1.6, etc.
7.1 is different than 8 discreet tracks (5.1 and then ST). There’s also a distinction between a 5.1 track that has 6 channels, and 6 discreet mono tracks. Will look different in apps.
Agree with Randy - get the exact specs. And then check them afterwards in the meta data or some QC player that it came out right.
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If only it were that easy……
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Pre pandemic everything was 5.1. Now I rarely do it. Usually it’s stereo -24 for broadcast, even on a lot of digital-only spots. 5.1 seems to have been a bit of a fad, like 3D TV
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This might be a US thing? We’re UK, most of our major TV series go to BluRay and they always want L/R/C/LFE/Ls/Rs.
Quite possible.
Supposedly it also depends on the encoder. In this case I used Apple Compressor.