gamma

extract([copy, spacing, n_jobs, verbose])	Extract gamma band envelope from data.
filterbank_hilbert(x, fs[, Wn, spacing, n_jobs])	Compute the phase and amplitude (envelope) of a signal for a single frequency band, as in [#edwards]_.
hilbert_spectrogram([decim, spacing, n_jobs])	Compute the phase and amplitude (envelope) of a signal for a single frequency band, as in [#edwards]_.