EDFBrowser will let you look through the session and place band filters to see the resulting amplitudes.

http://www.teuniz.net/edfbrowser/EDFbrowser manual.html#ASCII_to_EDF_converter

Have you experimented with EDFBrowser? You would need to use the menu options to first filter the signal with a bandpass or highpass filter to drop off DC component below say .5 hz. Otherwise EDFBrows

Have you looked at EEGrunt or EDFBrowser? The latter would require that you filter out the DC component so your plots are centered.

I am trying to verify with EDFBrowser

Convertor EDF to TXT works for us using OpenBCI Ultracortex to test data: http://www.teuniz.net/edfbrowser/EDFbrowser%20manual.html#ASCII_to_EDF_converter

http://www.teuniz.net/edfbrowser/EDFbrowser manual.html#ASCII_to_EDF_converter

EDFBrowser requires .template files to convert to .edf files. how do we convert text files or. csv files to template files ???How to know which channels data is relevant or useful and which are not ?

You can use EDFBrowser to convert Ascii CSV files to EDF,

The edfbrowser can create csv text files from EEG recordings. One column per EEG channel. This is very close to the format that the OpenBCI_GUI creates. A small Python program can provide any extra co

http://www.teuniz.net/edfbrowser/

http://www.teuniz.net/edfbrowser/

There are EEG data stream file standards, such as EDF, BDF, XDF -- that carry a channel mapping table as part of the format. The free EDFBrowser package allows you to import from CSV files (such as ou

http://www.teuniz.net/edfbrowser/EDFbrowser manual.html#ASCII_to_EDF_converter

More interesting may be the EDF Writer block under Targets. This records in the EDF standard. Which can be browsed with the EDFBrowser free app.

http://www.teuniz.net/edfbrowser/