Multimedia Controller Adaptive Playback Speed for Missed Content
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Solution Overview
Problem
Users often miss parts of activities, such as movies or concerts, when they need to leave temporarily, leading to regrettable gaps in their experience due to the inability to seamlessly continue from where they left off.
Innovation Solution
An electronic device with a multimedia playing apparatus and an input apparatus connected to a controller, which determines the playing progress and speed factor based on user input information, allowing the content to be played back at a faster speed when the user returns, ensuring they can catch up on missed sections.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the user leaves the multimedia playing apparatus during an activity, then the user can attend to personal matters (toilet, phone call, etc.), but the user misses parts of the content being played
Solution Approach 1:
The system performs preliminary actions by detecting user departure and automatically calculating the missed content duration before the user returns. It prepares the catch-up playback parameters in advance, so when the user returns, the system can immediately resume playback from the correct position with appropriate speed adjustment, eliminating the need for manual intervention and ensuring no content is lost.
Solution Approach 2:
The system implements feedback by continuously monitoring user presence through sensors (camera, proximity sensors) and adjusting playback parameters based on detected absence duration. When the user returns, the system provides feedback by automatically resuming playback with calculated speed adjustments, creating a closed-loop system that adapts to user behavior and prevents information loss.
2Loss of time
If the playback speed is increased to compensate for missed content, then the user can catch up on missed sections, but the user may miss subtle details or enjoy the content less
Solution Approach 1:
The system applies dynamic playback speed adjustment rather than a fixed high speed. It calculates the optimal playback speed factor based on the duration of absence and the total content length, creating a dynamic resume point and speed combination. This allows the system to adapt the playback parameters to each specific scenario, balancing catch-up efficiency with content quality preservation.
Solution Approach 2:
The system changes playback parameters (resume position and speed factor) based on detected absence duration. By calculating optimal parameters dynamically and adjusting them according to specific user behavior patterns, the system transforms static playback into adaptive playback that maintains content quality while enabling efficient catch-up.
3Extent of automation
If the system automatically determines playback progress and speed, then the user experience is seamless, but the system complexity increases
Solution Approach 1:
The system performs self-service by automatically detecting user absence, calculating missed content duration, determining optimal resume points and playback speeds, and executing the catch-up playback without any manual user input. The sensors and processor work together to autonomously manage the entire catch-up process, reducing user burden while maintaining system manageability through algorithmic automation.
Solution Approach 2:
The system introduces an intermediary processing layer between the sensors and the playback apparatus. This intermediary (the controller with processing logic) mediates between raw sensor data and playback control, translating absence detection into calculated resume parameters. This modular approach manages complexity by separating detection, calculation, and execution functions across different system components.
Data Source
AI summary
An electronic device and a control method therefor are provided. The electronic device includes controller, multimedia playing apparatus and input apparatus both connected to the controller, the controller includes processor and memory, wherein program instructions stored in the memory are executed by the processor to perform operations including: in response to target operation of user, obtaining input information of user; determining session information on session in which user participates according to the input information, the session information including at least target content in which user participates; determining target playing progress and target playing speed factor for the target content; controlling the multimedia playing apparatus to play the target content according to the target playing progress and the target playing speed factor, the target playing speed factor being greater than 1.