mne.
read_cov
Read a noise covariance from a FIF file.
fname : string
The name of file containing the covariance matrix. It should end with -cov.fif or -cov.fif.gz.
verbose : bool, str, int, or None (default None)
If not None, override default verbose level (see mne.verbose).
cov : Covariance
The noise covariance matrix.
See also
write_cov, compute_covariance, compute_raw_covariance
write_cov
compute_covariance
compute_raw_covariance