Video Subtitle Rendering on Small Screens
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Solution Overview
Problem
Subtitles and closed captions can obscure video content when displayed on small screens, making it challenging to allocate sufficient screen space for both video content and subtitles.
Innovation Solution
The method involves detecting the display mode of a video on a device and presenting subtitles in a matte region or overlaying them over the video content automatically, allowing for optimal viewing by reducing obstruction.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of information
If subtitles are displayed on small screens, then subtitle information is provided to users, but video content becomes obscured
Solution Approach 1:
The display area is segmented into multiple regions: a first region for video content and a second region for subtitles. The subtitle rendering component selectively renders subtitles in the second region when the display size is below the threshold, preventing them from obscuring the video content while still providing subtitle information to users.
Solution Approach 2:
The patent transitions from a single-dimensional display approach to a two-dimensional region-based approach. By defining distinct display regions (first region for video, second region for subtitles) and using conditional rendering based on display size thresholds, the system optimizes the use of available screen space in different dimensions.
2Loss of information
If subtitles are overlaid over video content, then subtitles are always visible, but they obstruct the video content
Solution Approach 1:
The subtitle rendering is made dynamic and adaptive rather than static. The subtitle rendering component detects the display size and selectively renders or suppresses subtitles in the second region based on whether the display size is below or above a predetermined threshold. This dynamic adjustment ensures subtitles are visible when appropriate while preventing obstruction when the screen is too small.
Solution Approach 2:
The system automatically detects the display size and makes intelligent decisions about subtitle rendering without requiring manual user intervention. The subtitle rendering component self-adjusts based on the detected display characteristics, providing an optimal viewing experience automatically.
Data Source
AI summary
Methods, systems, and apparatus, including computer program products, for presenting subtitles. A video is played on a display of a device. A display mode for the video is detected. A subtitle is presented in one of a plurality of presentation formats based on the detected display mode.