def read_edf(cls, path):
raise NotImplementedError
# TODO: adapt
# the following is copied from elsewhere and won't work as is
import pyedflib
with pyedflib.EdfReader(str(path)) as f:
labels = f.getSignalLabels()
for label in labels:
index = labels.index(label)
wav = Wave(f.readSignal(index), f.getSampleFrequency(index))
wav.label = label
wav.path = f.with_name(f.stem + "-" + label + ".wav")
wav.min = f.getPhysicalMinimum(index)
wav.max = f.getPhysicalMaximum(index)
wav.unit = f.getPhysicalDimension(index)
def read_xdf(cls, path):
raise NotImplementedError
import openxdf
# TODO: below is a place holder and needs to be finalize
xdf = openxdf.OpenXDF(path)
signals = openxdf.Signal(xdf, path.with_suffix(".nkamp"))
# TODO: automate this, why are the xdf.header names different from signals.list_channels?
for label in ["ECG", "Chin"]:
# logger.info(f'reading {label} channel')
sig = signals.read_file(label)[label]
wav = Wave(sig.ravel(), 200)
wav.label = label
# wav.path = file.with_name(file.stem + '-' + label + '.wav')
wav.min = -3200
wav.max = 3200
wav.unit = "1"