External Storage Media Identification and Playback Resumption
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Solution Overview
Problem
External storage media lack unique identification information, making it difficult to distinguish between devices of the same manufacturer, and existing solutions fail to efficiently resume playback of media data from suspended points.
Innovation Solution
An electronic device with a connector, identification unit, and controller that generates and stores a unique storage ID for external storage media, allowing for media data playback resumption and user interface generation to display media information.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If external storage media use manufacturer-assigned ID information, then media data can be stored and accessed, but individual external storage media cannot be distinguished from one another
Solution Approach 1:
The identification system is segmented into two parts: manufacturer-assigned ID information (for basic storage access) and device-generated unique storage ID information (for individual media distinction). This segmentation allows both functions to coexist without conflict.
Solution Approach 2:
An electronic device acts as an intermediary between the external storage medium and the user/system. It generates and manages unique storage ID information, storing it in association with media data to enable individual media identification while maintaining compatibility with manufacturer ID systems.
2Adaptability or versatility
If no unique storage ID is assigned to external storage media, then the storage media can be universally compatible with different devices, but playback resumption from suspended points cannot be achieved
Solution Approach 1:
The electronic device performs preliminary action by generating and storing unique storage ID information and media metadata (including playback position information) before the user needs to resume playback. This allows the system to quickly retrieve and resume playback from suspended points without requiring the user to manually locate the playback position.
3Loss of information
If storage ID information is generated and stored for each external storage medium, then individual media can be identified and playback can be resumed, but the system complexity increases
Solution Approach 1:
The electronic device serves itself by automatically generating unique storage ID information and managing the association between storage IDs and media data without requiring external intervention or complex manual configuration. The system autonomously handles ID generation, storage, and retrieval operations.
Data Source
AI summary
An electronic device and data control method are provided. The electronic device includes a connector which is connected to an external storage medium storing media data therein; an identification unit which identifies a storage identifier (ID) of the external storage medium connected to the connector; and a controller which performs a media function corresponding to the media data stored in the external storage medium whose storage ID is identified by the identification unit.