Format

BioSemi Data Format

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Summary

Name: BioSemi Data Format
Identifiers: PUID: fmt/2102
Format type: Dataset
Description: BioSemi Data Format is a 24 bit version of the older 16 bit European Data Format. It is used to record biological signals, primarily EEG/EMG readings, and can store multiple data types.
Note: https://www.biosemi.com/faq/file_format.htm
File extensions: bdf
Submitted by: Digital Research Alliance of Canada - FRDR / Alliance de recherche numérique du Canada – DFDR

Internal signatures

BioSemi Data Format

Description: BOF; Offset: 0; Magic Bytes: '.BIOSEMI'

Byte sequences

Min Frag Length: Absolute from BOF
Offset: 0
Max offset: 0
Byte Sequence: FF42494F53454D49
Endianness: None

Changelog

V123

Release date

9 June 2026
- Added format
  
  BioSemi Data Format: Full entry added. Submitted by Digital Research Alliance of Canada - Federated Research Data Repository / Alliance de recherche numérique du Canada - Dépôt fédéré de données de recherche.
- Added signature
  
  BioSemi Data Format: Signature researched and samples provided by Digital Research Alliance of Canada - Federated Research Data Repository / Alliance de recherche numérique du Canada - Dépôt fédéré de données de recherche.