I could reproduce the stuttering problem at first use with your ogg compressed guitar soundfont. It can be cured by using 'Preload Soundfonts' but pre-loading/decompressing your soundfont requires about half a minute on my PC... Maybe this big soundfonts (1.3 GB) are not the best candidate for real-time loading/decompressing. Also I would like to mention that I used the '-q 10' parameter when I compressed my reality soundfont with oggenc2.exe. Since I have never experienced such problems, you can try to compress your soundfonts with this parameter.
This effected every version I've tested (4.0-5.11 32bit).
Sorry for the late response, haven't had time to recompile my sf2pack program with the new options until now.
Yeah the higher quality encode fixed it (q -10). That's really weird, any idea why the Bass libraries are choking on the default oggenc quality setting?
Also after further testing, I found that 50% of the skipping WAS because of my weird M-Audio drivers. I fixed that but it was still skipping. I was also able to reproduce this on my core i5 ultrabook. It skips even more than my gaming rig, even with the files uncompressed, setting "map soundfonts to memory" fixes it though, I'm guessing it's a cpu resource limit as that laptop is S L O W. I've tried setting it to "preload soundfonts" but it hits the 32bit mem limit and crashes, haven't tried the 64bit version yet cause some of the vst plugins I like only 32bit and I want to be able to switch them on and off through sysex from my old 400MHZ K6-2+.
This is my win98/DOS computer with the i5 velcoro'd to the side for midi emulation and to control the RGB lights... https://youtu.be/XkR2pV2bpoI
Also I'm 90% done filming a overall feature tutorial for MIDIPlayer. I covered how to stack soundfonts, how to configure VST files to autoload with their settings, cc94 for Amplitube 3 (Free), and how to set presets and switch to them using sysex.
Any other advanced features you think I should try to tackle?
Thanks again for all your help.