g.Recorder

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Windows biosignal recording software

g.Recorder is available for g.BSamp, g.MOBIlab+ and g.USBamp. It supports all g.tec biosignal-acquisition devices and provides a comfortable configuration and setup of the system. Signals and parameters can be checked in the display mode, stored to disk and afterwards reviewed in the offline/replay mode.

Video data can be stored simultaneously with the biosignals if required.

Biosignal parameters such as CFM (Cerebral Function Monitor, aEEG), CSA (Compressed Spectral Arrays), HR (Heart-Rate) and HRV (Heart-Rate Variabiltiy) can be computed and displayed online during recording.

Highlights

Support of 3 biosignal amplifiers

g.MOBIlab+ allows to record up to 8 channels with the device. Therefore can move around during acquisition.
g.USBamp enables high-speed and high quality recordings with 38,4 KHz and 24 Bit, 16 to 128 channels are supported.
g.BSamp allows to use data acquisition boards (DAQ) with 16, 32 or 80 channels togehter with the stand-alone biosignal amplifier g.BSamp. Additional sensors can be connected directly to the DAQ board.

Multimodal biosignal recorder

g.Recorder allows to record 1 to 256 EEG, ECG, EMG, ... channels simultaneously with sampling rates between 64 Hz and 384 Khz. It is one of the fastest systems worldwide and allwos to record 64 channels with 38,4 KHz each. 256 channels can be recorded with 9.6 KHz each.

Synchronization of biosignal data and video

The system offers also a perfect synchronization between the biosignal data and the video sequence (resolution: 1 frame of the ). Therefore events in the EEG data can be investigated in detail with the video data.

Control of multiple mobile units

g.MOBIlab+ allows to record data onto a Mini-SD-Card directly. Therefore first the data acquisition is started with g.Recorder to investigate the data quality. Then g.MOBIlab+ can be disconnected from the PC to log data only under the device. After e.g. 24 hours the device can be re-connected to investigate the recording. In this mode multiple devices can be controlled.

Password-protected administrator mode for changes of setups
Full access to hardware configuration and header information
Save various setups for different applications
Automatic file name management for safe and easy data storage
Store data in the open HDF5-format for scientific approaches
Record high-quality video data synchroneous to the signal
Store parameters only to save disk space for long-term recordings
Full syncronization of signals, parameters and video in the replay mode
Assign triggers, markers and marked epochs to the data
A perfect solution for research, teaching and clinical investigation

Example: Fetal ECG

Advanced signal processing algorithms are required to extract the fetal ECG from ECG derivations placed on the mother. The example shows the application of ICA for this task.

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