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VEP6 Latency issue
Last post Tue, Aug 23 2016 by MS, 13 replies.
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Posted on Wed, Aug 03 2016 04:07
by DanielJamesLee
Joined on Tue, Jul 19 2011, Posts 13

Hello.

I have a rather large template that worked fine under VEP5 - it is about 1100 tracks in Logic 10.2.4, with the bulk being hosted on 4 slaves. I have a weird latency issue with VEP6 wherein I hit play or record, and it can take anywhere from 5-10 seconds to actually start playing back or recording. It seems like a delay compensation issue, but I have delay comp off in Logic. There is no latency when I play an instrument, just when I start a sequence. Also, the more VEP instances I add, the longer it seems to get.

Any ideas?

2013 Mac Pro 8 core 3.0, 128 GB RAM
Slave 1: 17 8 core 64 GB RAM Win7
Slave 2: 17 8 core 64 GB RAM Win7
Slave 3: 2012 i7 4 core Mac mini 16 GB RAM
Slave 4: 2012 i7 4 core Mac mini 16 GB RAM
Apollo8
Posted on Wed, Aug 03 2016 06:26
by Paul
Joined on Sat, Aug 03 2002, Vienna, Posts 11019

Hi DanielJamesLee, 

Not sure what is causing this, but maybe the answers to these questions can help: 

Which soundcard latency do you have?Did you try a higher setting yet?
How about the network latency buffer, in the VE PRO plug-ins?
Which OS is used on the slaves?
Do you see any hints on specific plug-ins being used? 

Hope we can isolate the problem this way.

Thanks, 
Paul

Paul Kopf
Product Manager - Vienna Symphonic Library
Posted on Wed, Aug 03 2016 14:13
by DanielJamesLee
Joined on Tue, Jul 19 2011, Posts 13

 

I reallly don't think it is the soundcard, but I did try different buffer settings and nothing noticable changed.

I tried different VEP buffers again to no noticeable change.

Win7 and OS X 10.11.3 

I tried to eliminate different plug ins and loading only certain slaves up - nothing seems to change. It seems to be dependant upon how many instances I load up - the more I load, the slower it gets. The problem definitely is VEPro 6 as everything works fine when it isn't loaded up, and when I unload everything, and then just load VEPro6 instances 1 at a time, it slows down incrementally.

Also strange is that when I load up a file, the first playthrough is immediate, but thereafter it lags. Keep in mind this is not a latency issue in the standard sense - the triggering of samples is just fine, but starting a project playing, introduces a delay before the playhead will move - almost like VEPro is cueing up the engines or something.

Does that make sense?

2013 Mac Pro 8 core 3.0, 128 GB RAM
Slave 1: 17 8 core 64 GB RAM Win7
Slave 2: 17 8 core 64 GB RAM Win7
Slave 3: 2012 i7 4 core Mac mini 16 GB RAM
Slave 4: 2012 i7 4 core Mac mini 16 GB RAM
Apollo8
Posted on Wed, Aug 03 2016 14:49
by DanielJamesLee
Joined on Tue, Jul 19 2011, Posts 13

Also, I should add the delay does not start until the instances are connected to the slaves - VEP6 can be loaded up on every channel and the delay does not happen until instances are connected.

2013 Mac Pro 8 core 3.0, 128 GB RAM
Slave 1: 17 8 core 64 GB RAM Win7
Slave 2: 17 8 core 64 GB RAM Win7
Slave 3: 2012 i7 4 core Mac mini 16 GB RAM
Slave 4: 2012 i7 4 core Mac mini 16 GB RAM
Apollo8
Posted on Wed, Aug 03 2016 16:05
by Paul
Joined on Sat, Aug 03 2002, Vienna, Posts 11019

Hi, 

Thanks for the details. We´re looking into this. 

Best, 
Paul

Paul Kopf
Product Manager - Vienna Symphonic Library
Posted on Mon, Aug 15 2016 05:19
by dnonkong1
Joined on Wed, Dec 19 2012, Posts 4

Greetings, I'm experiencing the exact same playhead latency behavior on my system. 1st playback is responsive, subsequent playbacks are latent, no matter what settings are adjusted.

Mac Pro 3,1 - OSX 10.9.5 - Logic 10.2.2

Custom Build, Windows 7, VEP6 6.0.15180

7 16 channel multi-out instances routing to multi-timral Viennas in Logic = circa 1 to 1.5 second delay.

Posted on Mon, Aug 15 2016 07:47
by Paul
Joined on Sat, Aug 03 2002, Vienna, Posts 11019

Hi, 

This will be fixed with the next update, already in the pipeline and expected this week (with A LOT of bug-fixes). 

Thanks for your patience!

Best, 
Paul

Paul Kopf
Product Manager - Vienna Symphonic Library
Posted on Mon, Aug 15 2016 18:47
by Simon Ravn
Joined on Tue, Dec 10 2002, Copenhagen, Denmark, Posts 350

Sounds awesome, Paul!

- Simon Ravn
Posted on Thu, Aug 18 2016 21:42
by Paul
Joined on Sat, Aug 03 2002, Vienna, Posts 11019

Update released. 

Best, 

Paul

Paul Kopf
Product Manager - Vienna Symphonic Library
Posted on Fri, Aug 19 2016 01:32
by DanielJamesLee
Joined on Tue, Jul 19 2011, Posts 13
thanks Paul - I'll check it out ASAP!
2013 Mac Pro 8 core 3.0, 128 GB RAM
Slave 1: 17 8 core 64 GB RAM Win7
Slave 2: 17 8 core 64 GB RAM Win7
Slave 3: 2012 i7 4 core Mac mini 16 GB RAM
Slave 4: 2012 i7 4 core Mac mini 16 GB RAM
Apollo8
Posted on Fri, Aug 19 2016 14:55
by Matt Riley
Joined on Wed, Jan 29 2014, Minneapolis, Minnesota, Posts 28

Did the update work?

Matt Riley
Master: 2013 iMac 27inch 3.5Ghz quad-core i7 32GB, Mavericks
Slave: 5820k 6-core at 4.4Ghz, 64GB, Windows 10 x64 Pro
Posted on Mon, Aug 22 2016 15:24
by DanielJamesLee
Joined on Tue, Jul 19 2011, Posts 13

No - not really. I've heard they are looking into it again.

2013 Mac Pro 8 core 3.0, 128 GB RAM
Slave 1: 17 8 core 64 GB RAM Win7
Slave 2: 17 8 core 64 GB RAM Win7
Slave 3: 2012 i7 4 core Mac mini 16 GB RAM
Slave 4: 2012 i7 4 core Mac mini 16 GB RAM
Apollo8
Posted on Tue, Aug 23 2016 04:43
by MS
Joined on Wed, Feb 19 2003, Liechtenstein, Posts 1714
We found an additional cause of delay during start/stop events, related to very large projects and delay-inducing plugins. This has now been corrected, and a fix will be available asap.
--
Martin Saleteg
Software Developer
Vienna Symphonic Library GmbH
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