the patented algo, you’ll explore by yourself for obvious reasons 
I’ll check the dynamic - the short vs long thing I gave you during BB is what is in my comparison, and I get results so quick I’d be surprised to match them with a spectral process (which we have coming soon and are already available in SC - check [my comparison of SC](Training for real-time NMF (fluid.nmfmatch~) code) I offered a certain time ago)