Video-Link Device Synchronizing Multi-Camera EEG Recordings
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Solution Overview
Problem
Existing video EEG monitoring systems are limited to hospital settings and cannot efficiently capture synchronized video and audio recordings from multiple locations in a home or hospital environment for long-term ambulatory monitoring.
Innovation Solution
A device called Video-Link, comprising cameras with built-in microphones, a wireless router, network decoder, video/audio mixer, USB powered fan, power center, and cables, which interfaces with EEG equipment via USB, allowing for synchronized video and audio input from multiple locations through a home network or hospital setting, ensuring continuous recording without user intervention.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If multiple cameras and microphones are used for monitoring from various locations, then the coverage and monitoring capability are improved, but the system complexity and difficulty of synchronization increase
Solution Approach 1:
The patent introduces a central processing unit that acts as an intermediary to receive video and audio signals from multiple cameras and microphones, convert them to a common digital format, and synchronize them before output. This mediator handles the complexity of multi-source integration, allowing multiple recording devices to work together seamlessly without requiring complex coordination between each individual device.
Solution Approach 2:
The processing unit is designed to accept multiple types of inputs (video from cameras, audio from microphones) and process them through a unified system. This multi-functional approach allows the same device to handle various recording sources and output formats, simplifying the overall system architecture while maintaining versatility in monitoring capabilities.
2Duration of action of moving object
If video EEG monitoring is implemented in home settings, then patient comfort and monitoring duration are improved, but the reliability and signal quality may deteriorate
Solution Approach 1:
The patent replaces traditional cable-based video EEG monitoring systems with a digital network-based system. By converting video and audio signals to digital format and transmitting them through USB or network connections, the system eliminates the mechanical constraints of cable management while maintaining signal integrity. This substitution enables long-term monitoring in home environments without compromising signal quality through proper digital signal processing and error correction.
3Adaptability or versatility
If digital to analog conversion is performed for video signals, then compatibility with existing equipment is improved, but signal quality and precision may worsen
Solution Approach 1:
The system dynamically selects the output format based on the connected equipment. When a digital-capable device is detected, the system maintains digital signal transmission to preserve quality. When analog equipment is detected, it performs conversion while using advanced digital-to-analog converters to minimize quality loss. This dynamic approach ensures both compatibility and signal quality are optimized for each specific configuration.
Data Source
AI summary
The concept and associated device enabling multi-camera video & audio recording for synchronization with long term ambulatory electroencephalography allows for multiple cameras and microphones to be used in a home setting monitoring from various locations in the home for long term ambulatory EEG monitoring. No longer is Video EEG monitoring with multiple cameras and microphones limited to a cabled hospital type setting. This device could also be utilized by hospitals to conduct video monitoring from any hospital type room.