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EDFbrowser

A free, opensource, multiplatform, universal viewer, annotator and toolbox intended for, but not limited to, timeseries storage files
like EEG, EMG, ECG, BioImpedance, etc.

Features

• Easy to install, just one executable, works everywhere, no special requirements or dependencies, no Python, Octave or Matlab needed
• Can handle large datasets
• Built-in BDF and EDF validator
• Supported fileformats: EDF, EDF+, BDF, BDF+
• Nihon Kohden EEG-1100/EEG-2100 (*.eeg) to EDF+ converter (including annotations)
• Unisens to EDF+ converter
• MIT to EDF+ converter (including annotations) for Physiobank
• Manscan Microamps (*.mbi/*.mb2) to EDF+ converter (including annotations)
• SCP-ECG (*.scp, EN 1064) to EDF+ converter
• ISHNE (*.ecg) to EDF+ converter
• Synchronized video playback
• Emsa (*.PLG) to EDF+ converter (including annotations)
• ASCII to EDF/BDF converter
• Finometer (Beatscope) to EDF converter
• Bmeye Nexfin (FrameInspector) to EDF converter
• WAV to EDF converter
• Mortara XML ECG to EDF converter
• reads Biosemi's trigger inputs from the BDF "Status" signal
• Annotation editor
• Header editor, fixes also lot's of different format-errors
• 1th to 8th order Butterworth, Chebyshev, Bessel and "moving average" filters
• Notchfilter with adjustable Q-factor
• Customizable FIR filter
• ECG powerline interference removal filter
• Spike filter removes spikes, glitches, fast transients or pacemaker impulses.
• Powerspectrum (FFT) with selectable window funtions and window lengths
• Color Density Spectral Array (CDSA)
• Hypnogram
• Pan-Tompkins QRS detector with possibility to export beats and RR-intervals
• FM modulated (transtelephonic) ECG recording to EDF converter
• Z-EEG measurement
• Waveform averaging using triggers, events or annotations, with export possibility
• Supports montages
• Import or export Annotations/events
• File reducer/cropper/decimator
• Downsampling signals
• Precise measurements by using crosshairs
• Zoomfunction by drawing a rectangle with the mouse
• Shows signals from different files at the same time
• EDF/EDF+/BDF/BDF+ to ASCII converter
• EDF/EDF+/BDF/BDF+ compatibility checker
• EDF+D to EDF+C converter
• BDF(+) to EDF(+) converter
• Prints to a printer, image or PDF
• Combine several files and export it to a new EDF file
• Exports a part of a file to a new file
• Reads from a streaming file (monitor)
• Available for Linux and Windows
  (the source can be compiled on Mac OS X)

More info

• The online manual
• The EDF format description
• The BDF+ format description
• The EDF(+) website
• The EDF group where you can ask questions about EDF(+)
• Some EDF files for testing purposes, with screenshots
• A description of the file format used by EDFbrowser to store montages

Download

This is free software, it is experimental and available under the GPL License version 3.
No charge, no warranty, no taxes, no maintenance fees, no advertising, no adware, no spyware, no telemetry or data collection,
no automatic updates, no sales calls, no spam...
Even though this program is free, it is not cheap. A great deal of effort went into making this program useful,
so if you find a problem, please use the email address given in the program's about menu to report it.
Disclaimer:
Despite this software is intend to be usefull, there is no warranty, use this software at your own risk!
EDFbrowser may NOT be used in safety-critical applications, such as life-support medical systems.
The author is NOT responsible for any consequences. For research and educational purpose only.

Linux

      Arch Linux users can install from the user repository: https://aur.archlinux.org/packages/edfbrowser/

      Ubuntu Linux users can install from the user repository: https://packages.ubuntu.com/groovy/edfbrowser
      Unfortunately, the versions offered from Ubuntu (and Debian) are rather old and I don't recommend them.
      Compile from source instead as described below, it's very easy.

Mac

• I don't have a Mac so I can't support it. Fortunately there's a volunteer who is so kind to compile EDFbrowser for the Mac.
  A ready to install Mac OS X Disk Image File (dmg) can be found here or via Homebrew:

 $ brew install edfbrowser

Linux (sourcecode)

• edfbrowser_186_source.tar.gz    sha256sum: 70c15eb558977a9e0e52f184d850ddae8d26a02818b08ab54b25d0b5b2fa789d

      Click here (GitLab) for the latest revision/patch/pre-release

64-bit Windows 7 and later

If there's a 32-bit version present on your system, remove it first before installing the 64-bit version.

• setup_edfbrowser_186_64bit.zip    sha256sum: a81ee2cc945eed09f2729760bde1935fc86a288beacbdb5449dcfd1ae9d0048b

32-bit Windows 2000, XP, and later

• setup_edfbrowser_186_32bit.zip    sha256sum: 3a3b408f9f1e36a715bb79551432132b7b046c09752d3e1e2724dabc2956cad5

Docker

• EDFbrowser in a Docker container

Version info

• version.txt

Older versions

• look here for older versions

Latest patches & additions

The following bugfixes / additions will be available in the next version (you can pull them from GitLab and compile from source):

• Annotation editor: added the option to create quickly a signal-linked annotation by drawing a rectangle over the part of the signal of interest.
• Floating ruler: added an option in Settings -> Options that will automatically adjust the width of the ruler in order to always show integer numbers for "Hz".
• Annotation list: offer the possibility to delete all annotations.
• Annotation editor: added the possibility to let the viewtime automatically stay on an integer multiple of the page /epoch time when using the user buttons to create annotations.
• Annotation list: when clicked on an annotation in the annotation list, the file position will jump to the onset time of that annotation and the annotation marker will appear either at the start or the middle of the page, depending on a new option that can be found in Settings -> Options -> Other.
• Annotation list: Fixed a bug in the function "Remove duplicates" that potentially caused not to remove all duplicates.
• Hypnogram: Added the possibility to use the annotations' duration as the epoch time. Overlapping epochs or gaps will be highlighted.

Compiling and installing on Ubuntu Linux and derivatives

Simply execute the following commands in a terminal:

  sudo apt-get update
  sudo apt-get install g++ make git qtbase5-dev-tools qtbase5-dev qt5-default
  git clone https://gitlab.com/Teuniz/EDFbrowser.git
  cd EDFbrowser
  qmake
  make -j8
  sudo make install
  edfbrowser

In order to update, execute the following commands:

  cd EDFbrowser
  git pull
  make distclean
  qmake
  make -j8
  sudo make install
  edfbrowser

Other EDF software

Some commandline format converters (without graphical user interface) for scripts or batchfiles.
Note that these converters are also in EDFbrowser.

• EDF de-identifier / anonimizer
• EDF+D to EDF+C converter
• Nihon Kohden to EDF+ format converter
• EDF to ASCII format converter
• Emsa to EDF+ format converter

A very convenient open-source programming library for C/C++ and Java programmers who want to implement EDF(+) and/or BDF(+).

• EDFlib for C/C++
• EDFlib for Java
• EDFlib for Python

EDF for Labview, a collection of VI's to write files in the European Data Format.

• EDF for Labview