Subtitle Navigation via Stored Access Information
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Solution Overview
Problem
Existing methods for navigating through subtitles in audio video data streams are inaccurate and inconvenient, particularly for language learning and deaf viewers, as they require rewinding and fast-forwarding, which can be imprecise and stressful.
Innovation Solution
A method that involves playing back and storing data units of AV data streams, including video, audio, and subtitle packets, generating a display of stored subtitle information, detecting user selections, retrieving corresponding access information, and accessing the selected data unit for precise playback.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If traditional rewinding and fast-forwarding methods are used to navigate to previous subtitles, then the viewer can replay scenes, but the navigation is inaccurate and requires multiple adjustments
Solution Approach 1:
The system stores subtitle information and their corresponding access information in advance during playback. This preliminary action enables direct navigation to any previous subtitle without requiring repeated rewinding and fast-forwarding adjustments, thereby improving both navigation precision and operation convenience.
2Reliability
If the movie is rewound to replay a scene, then the viewer can listen again, but the rewind accuracy is limited causing overshooting and requiring fast-forward adjustments
Solution Approach 1:
The system introduces an intermediary mechanism that stores access information corresponding to each subtitle. This intermediary enables direct jumping to the exact position of any previous subtitle, eliminating the need for imprecise rewinding and fast-forwarding adjustments, thereby improving replay accuracy and reducing navigation time.
3Adaptability or versatility
If subtitles are used for language learning requiring regular replays, then learning effectiveness improves, but the repeated navigation becomes inconvenient and stressful
Solution Approach 1:
The system performs preliminary storage of all subtitle information and access data during initial playback. This enables users to navigate to any previous subtitle instantly for language learning purposes, making repeated replays convenient and stress-free while maintaining full adaptability for language learning needs.
Data Source
AI summary
In a method and an apparatus for navigating through subtitles of an Audio Video data stream an address information of one or more played back data units is stored together with the subtitle information of said played back data units during play back of said data units. One or more of said stored subtitle information can be displayed. Following the selection of one of said displayed subtitle information the stored address information of the data unit corresponding to the selected subtitle information is retrieved and the corresponding data unit is accessed using said retrieved address information. Playing back the accessed data unit conveniently allows to watch and listen to a scene including subtitles again, e.g. by a few clicks on the remote control.