Video Sender Prioritizing Color Signals or Frame Rate
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Solution Overview
Problem
Conventional HDMI communication systems face limitations in transmitting all color signals due to bandwidth constraints, preventing video receivers from prioritizing either color signals or frame rate effectively during video transmission.
Innovation Solution
A video sender equipped with a communication module that receives specific information from the video receiver to convert and transmit video data, prioritizing either color signals or frame rate based on user preferences, allowing for flexible video format and frame rate settings such as 4:2:0, 60 fps or 4:4:4, 30 fps, through HDMI standards compliance.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If the video sender transmits all color signals for all frames, then the video quality is improved, but the transmission bandwidth is exceeded
Solution Approach 1:
The patent applies parameter changes by dynamically adjusting video format parameters (color signal subsampling ratios such as 4:4:4, 4:2:2, 4:2:0) and frame rate parameters based on available bandwidth conditions. The video sender changes these parameters to optimize the balance between video quality and transmission capacity, allowing full color signals when bandwidth permits and reducing color signal transmission when bandwidth is constrained.
2Manufacturing precision
If the video receiver prioritizes color signals, then the image quality is improved, but the frame rate is reduced
Solution Approach 1:
The patent implements dynamics by enabling the video receiver to dynamically select and prioritize either color signal quality or frame rate based on user preferences and current transmission conditions. The system allows flexible switching between different priority modes (color signal priority or frame rate priority) rather than being fixed, thereby adapting to different content types and user needs in real-time.
3Measurement precision
If the video sender uses high color signal transmission, then the color accuracy is improved, but the transmission data volume increases
Solution Approach 1:
The patent applies parameter changes by utilizing different color signal subsampling ratios (4:4:4 for full color accuracy, 4:2:2 for medium, 4:2:0 for reduced) as adjustable parameters. The video sender can change these parameters based on bandwidth availability and user preferences, allowing high color accuracy when data volume permits and reducing color signal transmission when data volume becomes a constraint.
Data Source
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AI summary
According to one embodiment, a video sender (20) comprises: a video creator (203, 204) and a communication module (200). The video creator (203, 204) creates video data. The communication module (200) is configured to communicate with a video receiver (10). The communication module (200) comprises: a receiver (254) and a transmitter (252). The receiver (254) receives, from the video receiver (10), specific information specifying which one of a color signal and a frame rate takes precedence over the other one of the color signal and the frame rate when transmitting the video data. The transmitter (252) converts the video data created by the video creator (203, 204) into video data in which one of the color signal and the frame rate takes precedence over the other one of the color signal and the frame rate in accordance with the specific information, and transmits the video data thus converted to the video receiver (10).