I built a simple Gig Performer rig a few months ago with mostly Pianoteq and VB3 controlled by one keyboard. Everything was fine, great software.
Recently, after not using it for a bit, I copied my gig file, connected a second keyboard, and started to adapt the GP setup for a two-tier rig. I noticed soon that some of the notes played on the original keyboard were lagging – either they would start up to a second late, or they would start on time but end late.
I disconnected the second keyboard, reloaded the original gig file, but it was still lagging. I rebooted the laptop and keyboard, reconnected the USB cables, tried increasing the buffer (although I don’t think it’s an audio issue), and uninstalled some recent programs, but no luck.
Also, I found that if I run either Pianoteq or VB3 as standalone apps, everything is perfect.
I’m sure I did something dumb, but if anyone has any suggestions of what to try next, thanks in advance!