Jelaskan Format data dari EDF: dari European Data Format

HEADER RECORD (we suggest to also adopt the 12 simple additional EDF+ specs)

8 ascii: version of this data format (0)

80 ascii: local patient identification (mind item 3 of the additional EDF+ specs)

80 ascii: local recording identification (mind item 4 of the additional EDF+ specs)

8 ascii: startdate of recording (dd.mm.yy) (mind item 2 of the additional EDF+ specs)

8 ascii: starttime of recording (hh.mm.ss)

8 ascii: number of bytes in header record

8 ascii: number of data records (-1 if unknown, obey item 10 of the additional EDF+ specs)

8 ascii: duration of a data record, in seconds

4 ascii: number of signals (ns) in data record

ns * 16 ascii: ns * label (e.g. EEG Fpz-Cz or Body temp) (mind item 9 of the additional EDF+ specs)

ns * 80 ascii: ns * transducer type (e.g. AgAgCl electrode)

ns * 8 ascii: ns * physical dimension (e.g. uV or degreeC)

ns * 8 ascii: ns * physical minimum (e.g. -500 or 34)

ns * 8 ascii: ns * physical maximum (e.g. 500 or 40)

ns * 8 ascii: ns * digital minimum (e.g. -2048)

ns * 8 ascii: ns * digital maximum (e.g. 2047)

ns * 80 ascii: ns * prefiltering (e.g. HP:0.1 Hz LP:75 Hz)

ns * 8 ascii: ns * nr of samples in each data record

ns * 32 ascii: ns * reserved