General Data format for Biomedical Signals (GDF 1.x)
GDF v1.xx is obsolete. The most recent version is discussed here.
GDF v1 is described here A General data
format for biomedical signals
The GDF-software tools have been incorporated into the BIOSIG-project - an open source software library for biomedical signal processing. See BIOSIG for more information.
The latest version of BIOSIG can be downloaded from here.
NEW: In order to address new needs in Biomedical Signal Processing, Version 2.0 of the GDF is currently prepared. for more information about GDF 2.0pre.