Workout Video Synchronization Using Local Command Queues
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Solution Overview
Problem
Conventional systems for synchronizing workout equipment with workout videos experience significant latency due to real-time processing and network transmission of control signals, leading to a loss of realism in the simulation.
Innovation Solution
A system that stores configuration change commands and criteria locally on the workout device in a queue, allowing the device to adjust its configuration when the criteria are satisfied, eliminating the need for real-time processing and network transmission.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Extent of automation
If real-time processing and wireless network transmission are used to control workout equipment, then the system can automatically adjust equipment settings, but significant latency is introduced causing loss of realism
Solution Approach 1:
The system extracts configuration change commands and criteria from the workout video file in advance and stores them locally on the workout device. This preliminary action eliminates the need for real-time processing and network transmission during the workout, thereby removing latency while maintaining automatic adjustment capability.
Solution Approach 2:
The patent separates the configuration change commands from the real-time video processing stream by extracting them as metadata from the workout video file. This extraction allows the commands to be stored and executed independently of real-time network communication, resolving the latency issue.
2Speed
If configuration change commands are processed in real-time during video playback, then the equipment can respond to video changes, but the processing time and network transmission delay cause latency
Solution Approach 1:
The system performs all configuration command extraction and preparation in advance during video file loading, storing the commands with their associated criteria locally. This eliminates processing time during actual workout execution, enabling instant response to video changes without network delays.
Solution Approach 2:
The patent creates a local copy of the configuration change commands and criteria in the workout device's memory. This copy can be executed independently of the original video stream processing, allowing immediate response without waiting for real-time processing or network transmission.
3Reliability
If the system continuously processes the video stream to determine control signals, then synchronization is maintained, but the processing load and network dependency increase latency
Solution Approach 1:
The patent extracts configuration change commands and their criteria as discrete data elements from the continuous video stream. This extraction transforms the complex continuous processing problem into simple local storage and condition-checking operations, maintaining synchronization accuracy while dramatically reducing processing complexity and eliminating network dependency.
Solution Approach 2:
The workout device's local memory acts as an intermediary between the video file and the equipment control. Instead of continuously processing the video stream or relying on real-time network communication, the system uses stored command-criteria pairs as an intermediary that can be executed immediately when conditions are met, simplifying the overall system architecture.
Data Source
AI summary
A method for synchronizing exercise equipment with workout video files to reduce latency may include executing a workout video file to display a workout video on a display; retrieving a configuration change command and a configuration change criterion from the workout video file; generating a message comprising the configuration change command and the configuration change criterion; and transmitting, over a communications network, the message to the workout device. The workout device may aggregate the configuration change command and the configuration change criterion into a queue of one or more configuration change commands that is stored in a memory of the workout device; and change operation according to the configuration change command in response to determining the configuration change criterion is satisfied.