G'day ALL I'm designing an Open-source application to read and write data for EEG/ECG/EMG/GSR/etc data to files for storage/retrieval. EDF looks like it might...
Lots of info there......THANKS! But I'm still looking for code to save and load the files in C++........ Or have I just gone blind and missed it. :-( John...
Has someone proposed a standard for PSG respiratory events (e.g. "Apnea Onset") embedded in ANNOTATIONS? Sergio Lerner. Developer of EEG/PSG Software for...
I work for Lermed, an EEG/PSG equipment manufacturer from Argentina. I'm writting the EDF file exporter for a ATI Delphos/Nautilus software product. I've read...
... Hi Sergio, Is Pentatek the same as Lermed? Do these companies already provide EDF compatible software? ... I know, but have no practical experience with,...
... EDF ... Pentatek provides EEG, PSG, EP and EMG software for Lermed S.R.L. Lermed manufactures headboxes and other hardware for Neurophysiology. They are...
EDF experts, I own an Excel Tech EEG instrument which can export data as ascii or EDF. When I convert the EDF output to ascci, the voltages are different. If I...
The physical min/max of -8711/8711 and the digital min/max is -32767/32767 mean that the numbers in the file must be divided by 3.76 (32767/8711) in order to...
Dear friends, As you know, Jesus Olivan and myself have been working on a solution to store annotations and discontinuous recordings in EDF, so it can also be...
New: on http://www.hsr.nl/edf/edf_bob.htm is an EDF-header checker for Windows, made by Marco Roessen. Please let us know about any bugs or suggestions. Bob...
Hello everyone, After reviewing the EDF/EDF+ specification and putting in read support in our new software, I noted several inconsistencies and limitations. I...
Dear Kevin, Bob, All, Unfortunately my response to the EDF+ proposal is delayed, and this is still not the response I wanted to write up. But I would like to...
Peter Jacobi
PJ@...
Sep 26, 2002 7:37 am
74
Dear Kevin, Peter and All, Thanks, Kevin and Peter, for the good look you took at EDF+. First, since Kevin's items 2-6, 11-13 and 15 suggest a ...
Hi Bob, Peter and All, Although I agree maintaining backward compatibility helps mitigate frustration for people who have already implemented EDF readers, I...
Hi Peter, ... Thanks -- I will investigate each of these to determine whether or not we should add support for them. ... I don't understand this. If you store...
Hi all The EDF format has proven extremely useful in the past as the only real standard EEG/PSG file format. Of course it has some limitations and if these...
Garðar Þorva...
gardar@...
Sep 26, 2002 5:00 pm
78
Hi Kevin, All, ... If you store pre-montaged with information loss, for example 16 linear combinations of 19 channels, of course you cannot re-create every...
Peter Jacobi
PJ@...
Sep 27, 2002 12:58 pm
79
Hi Gardar, All, ... Agreed, and for this reasons I fully support EDF+ fixing these while not breaking old viewers. ... Sort-of-agreement for this. But with the...
Peter Jacobi
PJ@...
Sep 27, 2002 1:25 pm
80
Thanks for your comments Peter. As I understand it, the main purpose of the EDF format is to allow file exchange between users using software from different...
Gar€ ¦ðar € ¦Þorvar€ ...
gardar@...
Sep 27, 2002 3:03 pm
81
Dear EDF enthusiasts: Thank you very much for your very enriching discussion. I apologize for the delay in answering. I would like to comment some points. 1....
Dear colleagues, About XML. EDF+ specifies the special marker ¤ that announces unique text describing identical events such as triggers. This text can be XML...
Thanks Bob for the Patient and Recording ID clarification. In my opinion this description should be a part of the specification. Otherwise it is not worth...
Gar€ ¦ðar € ¦Þorvar€ ...
gardar@...
Oct 1, 2002 1:12 pm
84
Dear colleagues, Some of you urged me to reconsider UTF-8. I mainly read http://www.cl.cam.ac.uk/~mgk25/unicode.html#diffs. There seem to be pro's and con's....
Hi Bob, All, The UTF-8 employment is universal by now, given alone the fact that it is the default XML encoding. I see no reason to exclude certain UNICODE...
... I think UTF-8 is a decent alternative to straight Unicode. The problem is if you do need the extra characters (non-Latin languages) then the field widths ...
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