Multi Program/ Switcher Restrictions prohibiting potential "feedback"?
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Hello All, I am using an 8k "B" version 8 software with 4 DMEs. I have a project that requires using 1 DME to fly my video with the ability to dissolve, switcher wipe, and a V/K transition. Basically a video box with transitions inside a VIZ gfx without viz inputs. I want to only use 1 DME and one ME plus program. My solution was to utilize the MP to create what I think the switcher thinks is a loop. I have created MPs that see:Program Clean + DSK3;ME3 Clean;ME3+ me3 key 4. I then put:P/P Clean+DSK3 on the Background bus of ME 3;ME3 Clean to ME3 key 4- left in the off position- Assign the DME to this key and do my flying;Then I key ME3+key 4in DSK4 over DSK3 but under DSK 1 and 2. -I tested this at a place that has many 8k Gs, where a few you work also, this has worked. Allowing nexio wipes, dissolves, cuts, fade up, etc from the Program bus.******Here is the issue, When I bring it back to our switcher it does not allow me to assign ME3key4 to my DSK4 or if I take P/P clean out of ME3 I can assign the DSK4 but then cannot punch up P/P on the ME3 background bus. --------------------------------------------------------------------------------------------Does Sony have some sort of protection that is disallowing this? Can it be turned off on the "B" switcher? This switcher does not have MPII however from what I read in other posts that only affects program5 and 6. I have checked that all the MP setting should be in line. Can this be done virtually or do I need to have an engineer create some more loop backs? Thanks for any info you can give.
MPII has a setting in the ENG menu that lets you do unrestricted re-entries...that's how we re-enter PGM 6 of an M/E back into PGM 1 of the same M/E. If you don't have MPII and your DME channels are Internal rather than External, then you will have to go with the source Loopback that was described here by others.
If you're going to do that, I'd suggest looping back an AUX bus as well as just the actual M/E output. This provides more flexibility than a hard patch, and allows for multiple M/E outputs to be looped back into any specific destination. Plus, if your DME's are External, then you can feed the looped-back AUX into the Aux that's feeding the DME - in this way you can program snapshots/effects to change the DME source without changing your M/E effect...also the same AUX can simultaneously feed not just the DME, but also other switcher & stage sources (such as plasmas).
Regardless of how you do it, your re-entered video will be one line out of time to the main switcher output.
On the 8000, the only way to take an M/E output back in on itself is by putting the M/E into MP2 Mode. What MP2 mode does is splits one M/E into two M/E's that share a pool of keyers (as you still only have 4 keyers per M/E). You have the option to see key's 1-4 on the main side and keys 2-4 on the sub side (the switcher won't let you see key 1 on the sub side).
The only way around this limitation is to take the M/E output, send it out of the switcher (via one of the outputs), and bring it back in on an input. Here, we have outputs 13-16 looped back into inputs 76-79. In addition, a bunch of outputs hit the router so we can bring additional ones in that way.
Hope that helps,
Allan
Thanks Allan.So when I did it on your switcher, Was I actually assigning a "looped back input" that was labeled ME3out...?
Probably not. Here, we run our M/E's in MP2 mode. We run P/P in standard mode. It probably worked because the M/E is in MP2 mode and that seems to be the way around it.
Thanks much. I have now tested it successfully using external CCs that are looped back. I will have or engineering team make a few more loop back and go that route. Thanks again Allan. Dhatch
Sorry for the lack of formatting I do not know HTML and when I type it previously it looked much nicer than that.
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