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 ...
... In order to maintain backward compatibility, the HEADER fields would still have to be plain ASCII. Only the annotations signal could code UCS-BMP...
... UTF-8 is a format designed to get an 8-bit character set to represent the 16-bit Unicode (ISO 10646) set. It's a transitional format because it bridges...
Dear All, Based on our discussion, I have made some changes in the EDF+ proposal. I have added a subspecification of the EDF+ header fields 'local patient ...
Dear members of the EDF group, Quite a few of you are using the "EDF toolbox for Matlab/Octave". As author, I'd like to inform you how EDF+ will affect the use...
Dear Alois: Thank you very much for your contribution. ... In the text of the proposal it is indicated: "However, EDF+ allows storage of several NON-CONTIGUOUS...
Dear Jesus, thanks for attributing my proposal as "easy and clear". This is it what EDF is about, isn't it? I'm also aware that my statement used a quite...
Dear All I am very pleased to see the Patient ID and Recording ID fields specified in the way it has now been done. I only want to point out that it is not...
Gar€ ¦ðar € ¦Þorvar€ ...
gardar@...
Oct 7, 2002 10:00 am
94
UCS is 32 bits, Unicode is 16 bits. So, does this mean that the first 65534 characters of the UCS exactly correspond to the characters defined in the Unicode...
Hi Bob, All, ... UNICODE 3.0 and ISO 10646, which are carefully managed to agree, specify a large number of characters, whose total range has been settled to ...
Responding to Alois's mail, the follwoing. EDF+ has an annotations channel for all kinds of annotations including events. Including a TRIGGER channel in EDF+...
Dear friends, Indeed, no big organization with a lot of voting an other rules. This is one of the secrets behind EDF. Big organizations (ASTM, CEN) tend to ...
Dear Alois: Thank you very much for your mail. First of all I would like to comment that attributing your proposal as "easy and clear" was not offensive or...
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