Microvolts brainflow
I have a question with the data i capture with this code.
I don't know if the part of EEG's data are in microvolts or other units. can you help me with that?
if this code put the data in microvolts, where does it do that? @wjcroft @retiutut @andrey1994 @evaesteban
Comments
Units are microvolts. You need to pre-filter the data stream, to remove the DC offset.
https://openbci.com/forum/index.php?p=/discussion/201/large-millivolt-data-values-fbeeg-full-band-eeg
William
I use imagine motor by in the signals, then i must use the high filter with 5hz and after i thinks to use the passband filter by the brain rhythms μ and β in the imagine motor. By the second filter i will use center_freq in 19hz, band_width in 22 because the brain rhythms are from eight to thirty and the a filter of firt order. is this a good idea? @wjcroft
Ed, hi.
OpenViBE has some Motor Imagery examples:
http://openvibe.inria.fr/motor-imagery-bci/
Another example recently added to the docs pages, using NeuroPype,
https://docs.openbci.com/docs/07Examples/19-EEGProjects/MotorImagery
Regards, William