Stream-Based Recording Trigger System for Segment Selection
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Solution Overview
Problem
Existing content recording systems lack the ability to dynamically adjust to changes in program scheduling and allow users to custom tailor recordings of specific segments within a program, such as automatically recording the opening monologue of late-night talk shows.
Innovation Solution
A system that uses separate streams for program start triggers and segment triggers, allowing devices to switch between streams and record or play back specific segments based on detected triggers, which can be updated in real-time to reflect changes in program schedules and user preferences.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If a single stream carries all program information, then the system structure is simple, but the ability to custom tailor specific segments within programs is lost
Solution Approach 1:
The patent divides the content delivery system into separate streams: a first stream carrying program start triggers and a second stream carrying segment triggers. This segmentation allows the system to maintain simple structure while enabling customized segment recording by processing triggers from different streams independently.
2Stability of the object's composition
If program schedules are fixed, then the system is stable and easy to manage, but the ability to adapt to schedule changes is reduced
Solution Approach 1:
The patent implements dynamic schedule adaptation by continuously monitoring triggers in the first stream and automatically adjusting recording operations when schedule changes are detected. The system transitions from static pre-configured schedules to dynamic real-time adjustments while maintaining overall system stability.
Solution Approach 2:
The system uses feedback from trigger detection in the first stream to automatically adjust recording operations. When program start triggers indicate schedule changes, the system responds by modifying its recording behavior, creating a closed-loop control system that adapts to changes while maintaining stability.
3Reliability
If all programs are recorded in full, then no content is missed, but storage space and processing time are wasted on unwanted segments
Solution Approach 1:
The patent extracts and processes segment triggers from the second stream to identify specific portions of programs that should be recorded. By taking out only the relevant segments indicated by triggers rather than recording entire programs, the system maintains content completeness for desired segments while significantly improving storage efficiency.
Solution Approach 2:
The system applies different recording qualities to different segments based on trigger information. Instead of uniform full-program recording, the system selectively records specific segments with appropriate quality levels, ensuring reliability for important content while optimizing storage space through localized quality adjustment.
Data Source
AI summary
Methods, computer readable media, apparatuses, and systems for switching streams in response to detecting a start trigger are presented. A program's start trigger indicating that the program is upcoming may be detected on a first stream, and in response to detecting the start trigger on the first stream, a second stream containing the program may be switched to. The program may be a video program. Segment triggers may be detected and may be used to selectively record and/or delete segments of the program according to a priority scheme. Multiple start triggers may be detected at decreasing time intervals. The existence of a recording conflict may be determined based on a program's start trigger and a user may be alerted of the recording conflict.