g.RECORDER | g.tec medical engineering

RECORDER

BIOSIGNAL RECORDING SOFTWARE

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g.Recorder supports all g.tec biosignal acquisition devices and provides tools for easy configuration and setup, data visualization, storage, and review. Signals and parameters can be checked in the display mode, stored to disk, and later reviewed in the offline/replay mode. With the Professional version of g.Recorder, video data can also be stored simultaneously with the biosignals, and the following parameters can be computed online:

  • CSA: Compressed Spectral Array (explorative analysis of signal properties and data quality for long-term recordings)
  • HR: Heart Rate (based on automatic R-peak detection from the ECG raw signal)
  • HRV: Heart Rate Variability (HR and HRV parameters reflect the state of the autonomous nervous system)
  • EP: Online EP calculation with statistical analysis

The g.Recorder Professional also adds monitoring of Cerebral Function/aEEG (amplitude integrated EEG) with automatic pattern classification. This is used to monitor the ongoing brain functions of premature infants in the neonatal intensive care unit. In addition to the online classification, there is also an offline CFM-toolbox available, as a part of g.BSanalyze (g.tec’s biosignal analysis software package).

PRODUCT HIGHLIGHTS

Support for g.tec biosignal amplifiers g.USBamp, g.HIamp and g.Nautilus
Multimodal biosignal visualization and recording
Synchronized storage of biosignal data, triggers and video
Configuration and setup of hardware parameters
Storage of header information and subject/patient data
User/Admin mode for save operation
Intelligent file management and search functions
Stand-alone program
Real-time EP calculation with statistical analysis from one or multiple triggers (events)
EP - Multi Evoked Potentials Visualization
Online filters for visualization
Load topographic information for result presentation
Paradigm Presenter Integration (UDP)

EEG AND TMS

An important application is the recording of EEG activity while a patient receives TMS (transcranial magnetic stimulation) pulses. For example, the TMS coil may positioned over the motor cortex to generate a finger movement, which leads to an SEP in the EEG.

g.Recorder allows you to select a high sampling frequency of all the EEG channels and acquire the data without filtering. Furthermore, the exact timing of the TMS pulse can be read in via the TTL inputs of the amplifier. After the recording, ERPs can be calculated and artifact removal algorithms can be applied to get clean EEG data and study the effect of the TMS stimulation.

COMPATIBILITY WITH g.NAUTILUS WIRELESS EEG SYSTEMS

g.Recorder now supports data acquisition from the variety of available g.Nautilus wireless EEG amplifiers. This includes display, processing, recording and review (depending on the purchased g.Recorder extensions) of EEG signals measured by the wireless headset and the additional channels provided, like acceleration data.

Impedance measurement can be performed for the analogue EEG channels, and the base station’s digital inputs can be fed in as trigger channels.

EVOKED POTENTIAL VISUALIZATION

The Evoked Potentials Visualization provides a convenient way to display evoked potentials. The viewer displays averaged data frames for each acquired analog input channel. An evoked potentials plot is created for each acquired channel. The time frame represents a defined time period, consisting of a pre-trigger period, a post-trigger offset and a post trigger period. The viewer can display the trigger appearance and an averaged time frame for target and non-target evoked potentials. Significant differences between target and non-target evoked potentials can be calculated and highlighted. Calculations can be based from multiple triggers and displayed in one or multiple windows.

RAW DATA VISUALIZATION AND STORAGE

g.Recorder allows a fast and ultra-precise visualization of biosignal data with up to 38.4 kHz. Beside the biosignal data, markers can be recorded to indicate trigger time points. The software allows recordings of region markers that indicate the beginning and the end of an event. The data is stored in HDF5 format which can be imported into g.BSanalyze or MATLAB. The software comes also with the Montage Creator to define electrodes positions and to measure exact electrodes positions with e.g. a Polhemus.

PARADIGMS INTEGRATED

The g.Recorder enables you to create and run custom paradigms designed using the paradigm editor. These paradigms generate stimuli for the subject while simultaneously sending trigger information to g.Recorder.

g.Recorder then captures both the biosignal data and triggers, allowing for real-time analysis and the generation of outputs such as EP plots.

As a result, there’s no need for additional software like Presentation or E-Prime, ensuring that the paradigm presenter functions seamlessly and remains precisely synchronized.

G.TEC SUITE 2024

The g.tec Suite 2024 contains all software packages from g.tec, such as g.NEEDaccess with all APIs, g.HIsys, g.Recorder and g.BSanalyze. It allows an easy installation, update and organization of all software packages, and comes with an automatic software compatibility check to minimize any software issues on your computer.

VISIT SHOP

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BASIC 1.150,00 €

Buy with a g.HIamp, g.Nautilus or g.USBamp to save 5%

  • Data acquisition from g.HIamp, g.USBamp and g.Nautilus
  • High-speed data visualization
  • Data storage in HDF5 format
  • Selection of sampling frequencies up to 38.4kHz, recording channels, bandpass and Notch filters
  • Visualization filters (bandpass, Notch)
  • Impedance check
  • Onboarding
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PROFESSIONAL 3.570,00 €

Buy with a g.HIamp, g.Nautilus or g.USBamp to save 10%

  • Data acquisition from g.HIamp, g.USBamp and g.Nautilus
  • High-speed data visualization
  • Data storage in HDF5 format
  • Review mode
  • Selection of sampling frequencies up to 38.4kHz, recording channels, bandpass and Notch filters
  • Visualization filters (bandpass, Notch)
  • Impedance check
  • Onboarding
  • Video
  • Evoked potentials
  • Heart-rate and heart-rate variability
  • Cerebral function analysis
  • Paradigm Presenter Integration (UDP)
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