Adaptive Video Frame Adapter for Recipient Device Optimization
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Solution Overview
Problem
Conventional video transmission methods, such as IPTV, face challenges in efficiently adapting video quality to recipient devices, leading to unnecessary resource utilization and error persistence due to fixed compression standards, which do not account for device capabilities or transmission limitations.
Innovation Solution
The implementation of a frame adapter and adaptive encoder/multiplexer that decodes and re-encodes video signals based on recipient device configurations, optimizing frame generation and compression to match device capabilities, reducing buffering and processing demands, and minimizing error persistence.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If conventional compression encoding is used based on highest presumed quality of recipient devices, then video quality is maximized, but bandwidth utilization increases unnecessarily and recipient devices with limited capabilities cannot benefit from high quality content
Solution Approach 1:
The system dynamically adapts the compression encoding parameters based on the actual capabilities of the recipient device. The frame adapter receives configuration data about the recipient device's processing and display capabilities, then adjusts the encoding scheme in real-time to match the device's abilities, avoiding unnecessary high-quality encoding for devices that cannot utilize it.
Solution Approach 2:
The system changes encoding parameters such as frame type ratios, compression levels, and quality settings based on the recipient device's capabilities. By modifying these parameters according to device-specific configuration data, the system optimizes the balance between video quality and bandwidth consumption for each individual device.
2Quantity of substance
If conventional compression encoding is used, then storage bandwidth is saved through compression, but spatial compression errors persist in subsequent reference and re-reference frames
Solution Approach 1:
The system adjusts the ratio of independent frames to predictive frames based on channel error characteristics. When error rates are high, the system increases the proportion of independent frames, which contain complete image data and do not rely on previous frames for reconstruction, thereby reducing error persistence while maintaining acceptable bandwidth utilization.
Solution Approach 2:
The system incorporates feedback about channel error characteristics to dynamically adjust the encoding strategy. By monitoring transmission conditions and adapting the frame type composition accordingly, the system optimizes the trade-off between bandwidth efficiency and error resilience.
3Manufacturing precision
If highest quality video is transmitted, then video quality is maximized, but recipient devices require huge buffering resources and extensive processing resources
Solution Approach 1:
The system dynamically adapts the video encoding to match the recipient device's processing and buffering capabilities. By receiving configuration data about the device's resources and adjusting the encoding accordingly, the system ensures that high-quality video is delivered only to devices capable of handling it, avoiding unnecessary resource demands on devices with limited capabilities.
Solution Approach 2:
The system applies different quality levels and encoding schemes tailored to specific recipient devices based on their individual capabilities. Instead of using a uniform high-quality encoding for all devices, the system optimizes the quality and resource requirements locally for each device, matching the video delivery to the actual processing and buffering resources available.
Data Source
AI summary
A digital electronic device supports program transmission to a recipient device via the Internet. A frame adapter decodes incoming IP program packets and re-encodes resulting program signals adaptively to optimally suit the recipient device based upon configuration data of the recipient device. The frame adapter receives feedback from the recipient device, which may include a characterization of a communication path between the digital electronic device and the recipient device. The frame adapter utilizes the configuration information to generate the optimal video frame stream that is transmitted to the recipient device. The compression itself involves producing optimal number of base and predicted video frames. The adaptive encoder and multiplexer receives digitized program signals either from a local source or from an external program source, transcodes (optionally), encodes and multiplexes them adaptively to optimally suit individual recipient devices, based on configurations of the corresponding recipient devices.