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| Re: UMX, TT24, Venue [message #102136 is a reply to message #102101 ] |
Tue, 24 January 2006 17:01   |
 Sheldon Radford
Messages: 110
Registered: April 2004
Location: San Francisco |
Has No Life |
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Hi Bink,
It was nice finally meeting you at NAMM. I'm glad you survived the experience  .
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I haven't actually tested the Digidesign Venue but one of the selling points on it is that it is supposed to automatically adjust for different routing lenghts when you double bus...
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This was discussed in another thread a few months ago; basically VENUE accounts for the multiple possible path from input to output and inserts delays where necessary so things line up and don't produce combing effects. It sounds straightforward, but when you start thinking about all the possible path combinations between groups, auxes, mains and matrixes it quickly becomes a non-trivial problem. The delays are typically in the microsecond range (a few samples).
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...even to the exent of adjusting for an inserted piece of external gear.
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To clarify, VENUE accounts for the known A/D > D/A delay on the hardware insert point, so if you insert an analog device things will still line up. As soon as you insert a digital device, with its own inherent latency, you'll need to use the built-in delays to manually line things up.
Sheldon
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| Re: UMX, TT24, Venue [message #102182 is a reply to message #102136 ] |
Tue, 24 January 2006 19:17 |
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Michael 'Bink' Knowles
Messages: 4210
Registered: April 2004
Location: Oakland, CA |
Has No Life |
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...even to the exent of adjusting for an inserted piece of external gear.
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To clarify, VENUE accounts for the known A/D > D/A delay on the hardware insert point, so if you insert an analog device things will still line up. As soon as you insert a digital device, with its own inherent latency, you'll need to use the built-in delays to manually line things up.
Sheldon
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Ahh... That's pretty clever, and it leads me to wonder if those inherent adjustment delays are there all the time adding to the total latency or are they ramped in when a double-assign first happens? If ramped in, how long does that take? ...and are the adjustment delays taken from a table or is there some calculation of offset going on behind the scenes?
This double bussing problem is very interesting but I never run into it (unless by accident) since I make a habit of assigning only single pathways to summing buses.
-Bink
P.S. Yes, it was nice to meet you, too, after all these years of electronic conversation!
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| Re: TT24 double bussing [message #103585 is a reply to message #103549 ] |
Mon, 30 January 2006 21:33 |
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Lee Brenkman
Messages: 1948
Registered: April 2004
Location: Oakland CA |
Has No Life |
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" I tried input-to-subgroup-to-Left/Right along with input-straight-to-Left/Right and heard the hollow tiled-wall/robotic voice sound of bad bus timing. Whoa! I guess double bussing isn't a smart idea on this mixer. Good thing it's not my style"
Yeah but some indie rock producer or singer is going to hear it and decide they have to have "THAT SOUND" on the lead vocals at all time.
Cheers,
Lee (who is tired of singers asking if I can do the reverb from "My Morning Jacket" for them) Brenkman
"I've lived through some terrible things in my life, some of which actually happened."
— Mark Twain
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