- [ ] SparseAuxIVA ["A computationally cheaper method for blind speech separation based on AuxIVA and incomplete demixing transform"](https://ieeexplore.ieee.org/document/7602921) - [ ] SparseProxIVA ["Time-frequency-masking-based Determined BSS with Application to Sparse IVA"](https://ieeexplore.ieee.org/document/8682217) - [x] IVA-IP2 - [x] ~IVA-ISS~
