Projects / EDFbrowser

EDFbrowser

EDFbrowser is a multi-platform viewer for EEG, EMG, and ECG storage files. It supports the EDF, EDF+, BDF, and BDF+ file formats. It supports montages, annotations, precise measurements by using crosshairs, and a zoom function by drawing a rectangle with the mouse. It shows signals from different files at the same time. It includes a built-in EDF/EDF+/BDF/BDF+ to ASCII converter, a built-in Nihon Kohden to EDF+ converter (including annotations), a built in EDF+D to EDF+C converter, a BDF(+) to EDF(+) converter and a built-in EDF/EDF+/BDF/BDF+ compatibility checker.

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  •  17 Feb 2012 22:53

    Release Notes: This is a bugfix release. It fixes multiple bugs related to annotationmarkers and EDFplus feature to use subsecondprecision in the starttime of the file. This only affects files that uses the subsecond starttime offset EDF+ feature.

    •  01 Feb 2012 23:47

      Release Notes: This release fixes a problem with EDFbrowser not able to handle filenames and/or directories that contain non-ASCII characters. From now on, filenames/paths will be handled and saved using the local 8-bit encoding. It adds multi-threading capabilities to the drawing engine. EDFbrowser will now use all available CPU cores in your system to speed up the drawing of the signals.

      •  04 Dec 2011 18:22

        Release Notes: This release fixes a bug (introduced with version 1.40) that caused it to take a long time to open an EDF+ or BDF+ file when it contained many annotations. It has improved printing quality. On some printers or PDF readers, the signals and rulers were hardly visible because the line width was too small. The ability to set the colors of the averaging window to black/white has been added. The ability to check for and remove duplicate annotations (Tools menu) has been added.

        •  01 Dec 2011 22:09

          Release Notes: This release adds the ability to reduce the sample rate of one or more signals in the tool "Reduce signals, duration, or samplerate" (Tools menu). It adds the ability to change/edit the start time/date of a file with the EDF/BDF header editor (Tools menu). The Statistics dialog shows also the number of zero-crossings and the frequency of a signal. The Nihon Kohden to EDF+ converter now processes the Trigger/Marker channel. This release fixes a bug in the signalcurve (graph) of the averaging window. It fixes a bug in the floating ruler. It raises the maximum amount of signals per file limit from 256 to 512.

          •  20 Sep 2011 12:29

            Release Notes: Another bug related to annotationmarkers and the EDFplus feature using sub-second precision in the starttime of the file was fixed. Qt was updated to 4.7.4.

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