Dynamic Video Synchronization Control for Unstable Networks
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Solution Overview
Problem
Existing video synchronization control methods in image data transmission over networks like Ethernet and NGN are inflexible and struggle to maintain synchronization due to unstable bandwidth and frequent changes in network configuration, making it difficult to ensure timely and high-quality video delivery.
Innovation Solution
An information processing apparatus with a synchronization cancellation unit, an adjusting unit, and a synchronization connection unit that cancels and adjusts synchronization timing based on measured delay times, allowing for flexible synchronization control between image data and network timing, enabling more efficient video synchronization management.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a fixed control method is used where a certain apparatus always controls synchronization with other apparatuses, then synchronization control is simple, but it becomes impossible to sufficiently maintain synchronization when network configuration changes or bandwidth becomes unstable
Solution Approach 1:
The patent implements dynamic synchronization control where the master apparatus is not fixed but can change based on current network conditions and apparatus states. The synchronization control unit dynamically determines which apparatus should act as master to cancel synchronization, allowing the system to adapt to changing network configurations and bandwidth conditions while maintaining synchronization accuracy.
2Loss of time
If synchronization is maintained between network timing and image data timing, then video delivery is timely, but delay time increases when bandwidth is unstable or network configuration changes
Solution Approach 1:
The patent extracts the synchronization cancellation function from the fixed master apparatus and implements it dynamically at the appropriate apparatus based on current conditions. This allows the system to remove unnecessary synchronization constraints when network conditions deteriorate, reducing delay time while maintaining reliability through conditional synchronization control.
Solution Approach 2:
The system changes the synchronization state parameter dynamically based on network conditions. When bandwidth is unstable or delay increases, the synchronization control unit changes the state from synchronized to canceled synchronization, allowing image data timing to adjust independently and reduce delay while maintaining delivery reliability.
3Stability of the object's composition
If network bandwidth is stable, then synchronization is easy to maintain, but bandwidth becomes unstable in generally-available circuits like Ethernet and wireless networks
Solution Approach 1:
The patent implements feedback mechanisms where the synchronization control unit continuously monitors network conditions including bandwidth stability and delay time. Based on this feedback, the system dynamically adjusts synchronization control decisions, determining when to cancel or maintain synchronization with the master apparatus, thereby adapting to unstable bandwidth conditions in generally-available networks.
Data Source
AI summary
The present technique relates to an information processing apparatus, a method, and a program allowing for easily controlling video synchronization in image data transmission. The information processing apparatus according to the present technique includes a synchronization cancellation unit configured to cancel synchronization between synchronization timing of a network to which image data are transmitted and synchronization timing of the image data, on the basis of a delay time of image data transmission, an adjusting unit configured to adjust synchronization timing of the image data of which synchronization with the synchronization timing of the network is cancelled by the synchronization cancellation unit, and a synchronization connection unit configured to synchronize the synchronization timing of the image data, which is adjusted by the adjusting unit, with the synchronization timing of the network. The present technique can be applied to, for example, an information processing apparatus.