[Retracted] Dynamic Synchronization Modeling and Simulation of Video Sensing Nodes Based on Internet of Things

Table 2

Synchronization comparison between video frames (%).

Project		Comparing results
Test time		9:15	9:25	9:35
No synchronization control	Teacher audio and video synchronization	77.23	70.12	71 .02
	Teacher audio and screen sync	77.14	75.29	73.25
	On-screen text and teacher audio sync	75.48	69.58	70.46
With synchronous control	Teacher audio and video synchronization	99.12	99.75	99.14
	Teacher audio and screen sync	99.45	99.76	99.46
	On-screen text and teacher audio sync	98.17	99.25	99.74