Visualization and recordation system interface with virtual ground for biomedical system and methods

An apparatus for facilitating visualization of biometric data in conjunction with recordation of such data comprising:

• an analog-to-digital converter configured to receive a plurality of analog sensor signals and an analog reference signal to produce respective digitized versions of the analog sensor signals;
• digital filtering circuitry configured to filter the respective digitized versions of the analog sensor signals to produce respective filtered digitized versions of the analog sensor signals;
• the digital filtering circuitry configured to output the filtered digitized versions of the analog sensor signals to a visualization system to provide real time display thereof;
• the digital filtering circuitry configured to communicate the filtered digitized versions of the analog sensor signals to a digital-to-analog converter;
• the digital-to-analog converter configured to produce an analog version of the filtered digitized versions of the analog sensor signals;
• and
• an analog signal output configured to output the analog version of the filtered digitized versions of the analog sensor signals along with the analog reference signal to a recordation system to provide supplemental processing and storage thereof.