edf_set_prefilter — Sets the prefilter of signal edfsignal ("HP:0.1Hz", "LP:75Hz N:50Hz", etc.).
edf_set_prefilter(edf_handle, edfsignal, prefilter)
: integer containing ile handle of the opened bdf/gdf-file
: Minimum value is 1
: string containing the prefilter text of the signal edfsignal
This function is optional for every signal and can be called only after opening a file in writemode and before the first sample write action.