Lighting Sync via Color Control Signal Blending
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Solution Overview
Problem
Conventional systems for synchronizing lighting effect patterns and control signals for interactive lighting devices at remote locations during live events face challenges such as time delays, dynamic schedule changes, and video streaming lag, leading to desynchronization of lighting effects.
Innovation Solution
A system that uses a mobile device with a camera, wireless transmitter, and processing unit to generate and broadcast color control signals with zone assignment data, ensuring synchronized lighting effects across multiple locations by using redundant RF data bursts and existing equipment for video recording and image blending, thereby minimizing latency and equipment requirements.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a time-based trigger with preset clock is used to synchronize lighting effects, then the system can provide a preset flash sequence to notify users, but the system cannot self-adjust for time delays and requires manual calibration of each wristband
Solution Approach 1:
The system enables self-service by allowing the controller to automatically detect and calibrate time delays. The controller measures the actual time delay between itself and remote wristbands, then automatically adjusts the timing parameters without requiring manual calibration of each device, making the system self-adjusting and eliminating tedious manual setup
Solution Approach 2:
The system implements feedback by having the controller measure the actual time delay performance and use this information to adjust timing parameters. The controller sends test signals, measures the received timing at remote devices, and automatically recalibrates based on the measured delay, creating a closed-loop system that adapts to actual performance
2Stability of the object's composition
If a preset time schedule is used to control lighting effect sequences, then the system can coordinate lighting patterns, but the system cannot adapt to dynamic changes in event schedule
Solution Approach 1:
The system transitions from static preset schedules to dynamic adaptive timing. The controller continuously monitors actual performance timing and automatically adjusts timing parameters in real-time based on measured delays and schedule changes, allowing the system to adapt dynamically to event variations while maintaining coordination
Solution Approach 2:
The system uses feedback loops to monitor actual lighting effect timing and performance schedule changes, then automatically adjusts timing parameters to maintain synchronization. The controller measures real-world performance and recalibrates timing based on actual conditions rather than relying on fixed preset schedules
3Reliability
If manual calibration of each wristband is performed in advance, then time delay can be compensated, but the process requires significant time and effort
Solution Approach 1:
The system eliminates manual calibration by enabling automatic time delay measurement and compensation. The controller automatically sends test signals, measures the time delay to each remote wristband, and configures the appropriate timing parameters without human intervention, achieving both reliability and time efficiency
Solution Approach 2:
The system uses automatic feedback-based calibration where the controller measures actual time delays through test signals and automatically adjusts timing parameters. This closed-loop approach replaces manual calibration processes while maintaining or improving synchronization accuracy
4Speed
If conventional RF data bursts are used for control signals, then wireless communication is achieved, but video streaming lag causes significant timing discrepancy
Solution Approach 1:
The system implements feedback by measuring the actual time delay between transmitted control signals and received lighting effects, then using this measured delay information to adjust timing parameters. The controller continuously monitors timing accuracy and compensates for video streaming lag based on real-world performance measurements
Solution Approach 2:
The system performs preliminary time delay measurement using test signals before actual event execution. By measuring and compensating for timing delays in advance, the system establishes accurate timing parameters that account for video streaming lag, ensuring precise synchronization during the actual event
Data Source
AI summary
A system for synchronizing lighting effect patterns of interactive lighting effect devices at a remote location with respect to those at local location is disclosed herein. Synchronized lighting effects produced at the remote location while watching a lighting effect show using other interactive lighting effect devices illuminated according to a script at event venue, can be achieved. Such synchronized lighting effects obtained at remote location generate a corresponding virtual simulated perception of attending same concert venue live when watching a live streaming video thereof. Low latency between lighting effect changes are produced at remote location with respect to those observed in concert venue live streaming video due to method of color control signal generation along with usage of color control pattern blending module that creates a blended video frame comprising of a color control pattern, which allows for efficient lighting effect pattern generation at remote location.