Implement a correlation accumulation method (like MSRP-PHAT)

[sammlapp]

grid-based rather than least square optimization approach
https://ieeexplore.ieee.org/abstract/document/5629353?casa_token=92pDBx3YFFsAAAAA:Kl9iecpkCfDCeAQtdzWmWohkN-a0LBSVvw6BJ5Epua3d2lfPf0g5xoHXL6E1wPl_Ug_5t_Aj