If I understand you & GP, these are both just particular instantiations of Linear Predictive Coding [1]. For both of these approaches, you’d probably get simila

If I understand you & GP, these are both just particular instantiations of Linear Predictive Coding [1]. For both of these approaches, you’d probably get similar or better results just throwing your data into an off-the-shelf LPC, and with less effort. [1] https://en.m.wikipedia.org/wiki/Linear_predictive_coding https://en.m.wikipedia.org/wiki/Linear_predictive_coding