Communication Apparatus Proactive Video Coding Adaptation
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Solution Overview
Problem
Conference systems face challenges in maintaining communication quality during network changes, leading to potential image distortion or interruption due to delayed notification of changes in the receiver's communication environment.
Innovation Solution
A communication apparatus that obtains communication environment information before transmitting video data, determines the appropriate coding setting based on the quality variation of the receiving apparatus, and adjusts the number of communication layers to ensure stable transmission.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the transmitter side waits for notification of communication environment changes from the receiver side, then the system can respond to quality changes, but the response is delayed and image distortion or interruption occurs
Solution Approach 1:
The transmitter side proactively obtains communication environment information from the receiver side before actual video transmission begins. This preliminary action allows the transmitter to determine appropriate coding settings in advance, eliminating the delay that occurs when waiting for notification during active transmission. The communication environment information is obtained during the session establishment phase, enabling proactive adaptation rather than reactive response.
2Adaptability or versatility
If the transmitter side uses fixed coding settings for video data, then the transmission process is simple, but the system cannot adapt to communication environment changes
Solution Approach 1:
The receiver side feeds back communication environment information to the transmitter side, enabling the transmitter to adapt its coding settings based on actual network conditions. The transmitter determines the magnitude of variation in communication quality based on this feedback information and adjusts coding settings accordingly, achieving adaptive transmission while maintaining reasonable system complexity through automated decision-making algorithms.
Data Source
AI summary
A communication apparatus includes circuitry to: obtain, before transmission of video data to a counterpart communication apparatus via a network, communication environment information to be used for determining magnitude of variation of communication quality of the counterpart communication apparatus; determine, using the obtained communication environment information, a coding setting of the video data in accordance with the magnitude of variation of the communication quality of the counterpart communication apparatus; and code the video data in accordance with the determined coding setting; and a transmitter to transmit the coded video data to the counterpart communication apparatus via the network.