Read biosignal get properties

[Fonsi]

Hello,

I am trying to get the properties from file EDF open with Read biosignal, but I cant do it. Can anyone help me to get the data?. In attached file You can see the properties when I doubleclick in Read biosingal vi icon.

Another thing, to get the full data of biosignal in array without adjust the block size, should i put infinite?.

Best Regards.

[Fonsi]

no anyone can help me?.

Thanks.

[Taki1999]

What properties are you trying to get?

In order to work with your Express VI, you'll need to post your actual VI here or provide a more detailed explanation.

EDIT: If possible, it may also help to post your .EDF file.

[Fonsi]

Hello Taki,

Please, check attached file. The vi is working with biomedical toolkit, so I dotn know if you can open it.

But you can see the attached file, like I open a logged file and show properties in 'Read biosignal ' vi.

unit, date, sampling rate,... I would like to get all these info.

Regards.

[Taki1999]

Some of that info may be embedded into the attributes of the Dynamic Data Type.

What do you get if you use the To Variant function on your dynamic signal?

[Taki1999]

The EDF format looks like it would be pretty easy to parse.

You might consider ditching the Read Biosignal.VI and just read the file directly.

It's probably also worth asking around in the Biomedical Toolkit Community. They seem to have a reasonable number of HOW-TOs over there.

[Fonsi]

Hello,

Yes, I tried but I cant get it. I check the biomedical examples and docoument and no solution for it.

I read I could do it with Storage vi and Datapluging.

Im trying to modify the Data File vi to get the properties of file logged. I need to get a external control to vary the channel ECG,... to get the data properties.

I supposes It will be easier way to do it. But I didnt find another way...

any idea?.

Thanks.

[Fonsi]

The vi and file.

[Fonsi]

File. I dont know why I cant attached the files in the same post.

Please, rename the file to .EDF

[Taki1999]

This file looks a little nonstandard.

What is used to generate it?

According to the header there are 60 signals in it  but according to the header size, there is only one.

In any case, if the Biomedical toolkit doesn't get you the data you need, instructions for parsing the header are here:

EDF Specification