.cnt files

Question

.cnt files

vishnu-ivariable opened this issue a year ago · comments

Brother raw EEG data is in .cnt format and cant open through Python. It is throwing "'ascii' codec can't decode byte 0xa8 in position 0: ordinal not in range(128)" error.

Nigel Gebodh · Answer 1 · Tue Oct 03 2023 09:06:24 GMT+0800 (China Standard Time)

Thanks for your feedback.

There are known imcompatabilities with raw ANT .cnt files and MNE.
There may be a fix coming soon from ANT.
You can read more here:
mne-tools/mne-python#3609

In the mean time there are a few options to use the data in MNE:

You can use the downsampled .mat versions of the files provided (see under "Extras"). These can be imported into Python then passed to MNE.
You can import the EEGlab .set files into MNE. These files are povided in BIDS format on OpenNeuro here. Here's a Google Colab Notebook showing how