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Yamaha OPT (Open Plugin Technology) Plugins

OPT was Yamaha's short-lived (but well designed) attempt at a plugin format, with some unique features. Cakewalk and Acid supported it, but it never took off.
OPT plugins have long since vanished from the internet, and of the few SOL2 Central could locate, only three work on modern computers (the others are tied to specific ancient hardware).
The author of these plugins kindly released them for free, after they stopped developing OPT plugins. The three working plugins are listed here, along with download links.

These plugins are not hosted here, and SOL2 Central bears no responsibility for them. Download and run these installers at your own risk!

How to install OPT plugins on Windows Vista & later:

Right click the installers, navigate to "compatibility", and select "Windows XP Service Pack 3".

Install these to the folder "/YAMAHA/OPT Tools/" inside your SOL2 installed directory.

Finally, click the opt plugin toolbar drop-down arrow in SOL2, and add the buttons for the plugins.
Shortcut keys can also be assigned to them, if desired, in SOL2's setup/shortcut keys dialog.


OPT Plugin Description & Download

DolDrums

 A truly useful and well-concieved plugin. DolDrums gives you separate control over each individual drum, when your drum kit is on a single midi channel (as indeed, it usually is). Every tweak you can think of is here: constraining and shifting velocity ranges, adding rhythmical accents, muting and soloing individual drum hits, and more.

Visual Quantize

 Much more powerful than SOL2's built-in quantize dialog. Changes can be auditioned in realtime, before applying them.

MIDI Editor

 Piano roll and MIDI editor. The plugin window is fully resizable, for lots of viewing area.