[Mne_analysis] The issue of converting EDF to FIF format

[Denis-Alexander Engemann]

Hi Xiaoxiao,

we meanwhile have direct reading + conversion support for EGI data
in MNE-Python (development version),

Take a look at: mne.io.egi.read_raw_egi

It supports the native egi raw format.

Hope this helps,
Denis

On Wed, Jul 2, 2014 at 6:38 PM, Xiaoxiao Bai <baixx013 at gmail.com> wrote:

> Dear Dgw,
>
> Thank you for you help. This file only includes signals of 128 channels
> with same sample rate.
>
> After that, I input EGI Net Station data into BrainVision and then save as
> EDF file. This BrainVision EDF file can be converted to FIF file.
>
> I used matlab toolbox to read this FIF file and its header information and
> data are correct.
>
> But I can not display it in the mne_browse_raw (see attached screenshot).
>
> Best
>
> Xiaoxiao
>
>
> On Wed, Jul 2, 2014 at 12:13 PM, dgw <dgwakeman at gmail.com> wrote:
>
>> Hi Xiaoxiao,
>>
>> What types of data are in there? The error message suggests that there is
>> data with different sampling rates. Do you have channels with different
>> sampling rates? If yes, can you re-export the data removing the data with
>> different sampling rates?
>>
>> HTH,
>> D
>>
>>
>> On Wed, Jul 2, 2014 at 11:20 AM, Xiaoxiao Bai <baixx013 at gmail.com> wrote:
>>
>>> Hi all MEN users,
>>>
>>> I used Net station to save recorded EEG data to EDF format. When I used
>>> mne_edf2fiff to convert our EDF file to FIF file, I got this error message,
>>>
>>> $ mne_edf2fiff --edf Recording_9_fil.edf --fif Recording_9_fil.fif
>>>
>>> mne_edf2fiff version 1.6 compiled at Dec 21 2009 19:46:35
>>>
>>> EDF/EDF+/BDF file (input)  : Recording_9_fil.edf
>>> No electrode position data specified.
>>> fif file (output)          : Recording_9_fil.fif
>>>
>>> Parsing EDF/EDF+/BDF header...[failed]
>>> Unequal sampling rates across data channels are not supported.
>>>
>>> Best
>>>
>>> Xiaoxiao
>>>
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