SQ Tie Line Question

[Don Taggart]

We have an SQ7 in our House and also have an SQ7 in our Streaming booth connected via Dante. We currently have it set up so all of the inputs on both boards look the same and are all mapped to each other. i.e. House SQ7 – Input Channel 1 goes to Dante Out 1 which maps via Dante Controller to channel 1 on Streaming SQ7. Which maps from Dante Input #1 to Input Channel 1.

We have floor pockets on stage which end up at a GX4816 then up to the House SQ7. If we have a guitarist move from the left to the right of the stage from one week to the next, they usually just let us know that they’re now in socket #17 or whatever. We then just patch S-Link 17 to the Guitar input channel, let’s say it’s ip10.

My question is… If we use Tie Lines will we have to map any guitarist moves in more than one place. Like does the tie line, tie on before the input channel mapping or after? Are we faced with the options of a) Using Direct Out, b) Using Tie Lines and Mapping Dante IN #17 to ip10 on the Streaming board as well.

We’d ideally just have to map it in one spot. Thanks for any insight or clarification of where the tie lines attach.

[Brian]

If the guitar player changes from GX4816 input 6 on the right side of the stage to input 17 on the left side of the stage, you would need to change the guitar source on both the FOH console and the broadcast console if you use tie lines to send the sources to the broadcast console. This is of course assuming you have your tie lines set up for 1 to 1 routing (which I 100% would suggest). In that case, the broadcast’s guitar source would still be set up to be Dante input 6 (which would correspond to the GX4816 input 6) unless someone changed it to Dante input 17. This is because the tie lines are set up to simply pull the GX4816 source from FOH and output them via the FOH Dante card without actually having the console “touch” that audio at all.

However you could use direct outs instead of tie lines. Direct outs are tied to channels. Again I would suggest that you use 1 to 1 routing with this, so direct out of channels 1-48 would be routed to Dante outputs 1-48 on the FOH console, and in the broadcast console those sources would be tied to Dante inputs 1-48. However, if you changed the guitar channel’s source from GX4816 input 6 to GX4816 input 17, that would also change it for the direct out (because the direct out is coming from the actual channel, not the stage box source). Of course you have some flexibility on where you “pull” the direct out source from as the audio moves through the channel processing, but in all cases the direct out would reflect any changes to the channel’s source being changed from one input to another.

Personally I think I would prefer to use tie lines and just have to make the source change at both the FOH and broadcast console, but using direct outs is a viable alternative and it would prevent someone from having to change the source on the broadcast console if it was set up like this.

[SQuser]

@ Don Taggart
> Like does the tie line, tie on before the input channel mapping or after?
In addition to what Brian has already written, there is also the attached graphic that shows both source points.
Tie Lines (TL) are therefore located directly after the AD conversion and Direct Outs (DO) only after patching.

> We’d ideally just have to map it in one spot.
You would therefore achieve this case by using the Direct Outs thereby you should use the earliest source point “Post Preamp”.

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