OctaSine 0.6.0 released, with major bug fixes and other changes

[SynthWizard]

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OctaSine 0.6.0 released, with major bug fixes and other changes

I just released version 0.6.0 of OctaSine, my free and open source frequency modulation synthesizer VST2 plugin.

There were two issues with previous versions that needed to be fixed. Small audio buffers (as used by e.g. FL Studio) were not handled properly and notes were not correctly timed to samples. Since fixing any of these issues meant changing audio output, I decided to also do other changes and fixes affecting sound generation in the same release. Notably, envelopes now go back to zero volume before restarting when note is retriggered while active.

Hopefully, the majority of your patches won't be audibly affected. I hope that I won't have to make any further potentially breaking changes.

Full list of changes:

Changed

• When triggering note while envelope is still running, restart envelope from zero volume
• To prevent artefacts, for very short envelope stages, the normal logarithmic slopes will be mixed with linear slopes. This is now done for slightly longer envelope stages
• Adjust LFO wave shapes for better beat fit
• Interpolate parameters for 32 samples

Fixed

• Properly handle audio buffers of arbitrary size
• Properly handle midi event timings
• Fix LFO retrigger issues
• Properly treat MIDI note on/off event with 0 velocity as note off

submitted by /u/even-greater-ape
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