Captioned Image Reproducing Device Dummy Caption Handling
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Solution Overview
Problem
Existing caption display devices cannot effectively allow users to view scenes without added caption text by selecting corresponding caption texts, leading to incomplete viewing experiences when scenes with no caption text are reproduced.
Innovation Solution
A captioned image reproducing device and method that includes a memory unit for storing caption texts and images, a caption list creating unit, a caption text selecting unit, a determination unit for comparing reproduction start information, and a control unit to associate dummy captions with images, enabling the display of scenes without original captions by adjusting reproduction start information and displaying dummy captions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If the caption display device only displays received captions from external devices, then the device complexity is reduced, but the adaptability deteriorates because users cannot view scenes without caption text
Solution Approach 1:
The patent introduces a dummy caption as an intermediary element that mediates between scenes without original captions and the caption display functionality. The dummy caption serves as a placeholder that enables users to select and view scenes that originally had no captions, thereby improving adaptability without requiring complex system modifications
Solution Approach 2:
The patent performs preliminary action by pre-generating dummy captions for scenes without original captions during the caption list creation process. By anticipating the need for caption access in all scenes, the system proactively creates dummy captions and associates them with corresponding images and reproduction timing information before user interaction occurs
2Ease of operation
If the caption list includes only received captions, then the loss of information is minimized, but the ease of operation deteriorates because users cannot navigate to scenes without captions
Solution Approach 1:
The dummy caption acts as an intermediary that preserves information about scenes without original captions. By creating a placeholder caption entry, the system maintains the informational structure needed for user navigation and scene selection, allowing users to access all scenes uniformly through the caption list interface
Solution Approach 2:
The patent applies parameter changes by modifying the caption list structure to include dummy captions with specific parameters (dummy caption text, associated image, reproduction start information). This parameter expansion enables uniform handling of all scenes whether they have original captions or not, improving ease of operation without losing information about caption-less scenes
3Adaptability or versatility
If the system creates dummy captions for all scenes without captions, then the adaptability improves, but the device complexity increases due to additional processing units and data management
Solution Approach 1:
The patent applies universality by designing the dummy caption mechanism to serve multiple functions simultaneously: it acts as a placeholder for caption-less scenes, a navigational element in the caption list, a trigger for image reproduction, and a timing reference point. This multi-functionality reduces the need for separate specialized components, thereby limiting the increase in device complexity
Solution Approach 2:
The patent merges the dummy caption functionality with the existing received caption processing framework. By integrating dummy captions into the same data structures, processing pipelines, and user interface handling as received captions, the system achieves enhanced adaptability while minimizing additional complexity through consolidation rather than separation of functions
Data Source
AI summary
A control unit creates caption management data having plural caption texts to which caption display times each indicating a time of starting reproduction of each caption text are added and plural images in association with one another in accordance with a reproduction order, and stores the caption management data in a memory unit. The control unit selects a caption text registered in the caption management data, and acquires received caption display times of the selected caption text and a caption text corresponding to the next reproduction order. The control unit sets the caption display time of the selected caption text as the initial value of a dummy caption display time. When determining that a difference between the initial value and the caption display time of the caption text corresponding to the reproduction order next to the selected caption text is larger than the reference time, the control unit stores a time acquired by adding a predetermined time to the initial value and a dummy caption in the memory unit in association with each other.


