Vienna Symphonic Library Forum
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  • Latency and low performance

    Hello! I have 2 computers and try to use VEPRO in demo mode. All work fine, if I use VEPRO in standalone mode, but if I use server - there is very big and unusable latency buffer must to be set - more than 1024... What is wrong? What I need? more Ram? more processing power? or hard drives inside, connected by sata? Or more, than 2 computers? Sequencer - Cubase 6. I want to use EWQLSO XP PRO in KONTAKT 4.1.3. from 13 to 25 instances of VEPRO, each instance include 1 Kontakt, loaded 5-10 instruments, 3 stereo pairs outs for different microphone positions.(I has tryed one stereo outs - not helped) 1) iMac Intel dual core extreme 2.8 http://www.everymac.com/systems/apple/imac/stats/imac-core-2-extreme-2.8-24-inch-aluminum-specs.html 6gb ram, OsX 10.6.6, Strings samples on external drive (7200rps, connected by FW800), percussion samples on another drive (5400rps, USB2) 2) Mac Book http://www.everymac.com/systems/apple/macbook/stats/macbook-core-2-duo-2.16-white-13-mid-2007-specs.html, 3gb ram, OsX 10.6.6, SSD 128 gb Kingston inside, Brass and Woodwinds on this drive. 1Gbit connection by one ethernet cord. Audio interface - Apogee Duet. I has tryed 2 case - to use as main computer vith sequencer iMac or iBook - result is same. If I use VEPRO as server by ethernet, overall performance and latency no good for me. If I use standalone - all souds good, but I want server mode for mixdown posibility inside Cubase... Thank you for any advice! Best regards, Vadim

  • Are you actually connecting over the hardware ethernet cable? Many users make the mistake to connect over airport, even though a physical network is in place. Try to disable your airports on both machines.


  • yes, airport is off, Network utility show 1Gbit connection speed

  • I guess you are using the Macbook as a slave. What is the CPU load of your Macbook when your problems occur? Remember that Macbook is a 4 year old computer, and will not be able to handle a very high load at all.


  • Yes, I use book as slave. I find, that Apogee Duet has introduce clicks and lags (in other projects, for record/play it work fine) Also I make one instance on each computer. Also I disabled multyprocessor support in Cubase and Kontakt and all work good with 256 buffer (built in sound).