The EDF+ local recording identification is supposed to contain 5 subfields, where an 'X' should encode unknown values. However, one might encounter an EDF+ file that contains less than 5 subfields. To ensure maximum compatibility, this could be interpreted as unknown values for unspecified subfields.
The EDF+ local recording identification is supposed to contain 5 subfields, where an 'X' should encode unknown values. However, one might encounter an EDF+ file that contains less than 5 subfields. To ensure maximum compatibility, this could be interpreted as unknown values for unspecified subfields.