Content Reproduction Device Skipping Irreproducible Playlist Items
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Solution Overview
Problem
Content reproduction devices face inefficiencies due to attempting to reproduce content that cannot be played, leading to resource waste when playlist information includes irreproducible items.
Innovation Solution
A content reproduction device and method that acquire playlist information, reproduction requirements, and enabling conditions to determine reproducibility, skipping irreproducible content and replacing it with alternative reproducible content, thereby reducing waste.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If the content reproduction device attempts to reproduce all content in the playlist information, then the device can maintain compatibility with various playlist formats and content sources, but it leads to resource waste when encountering irreproducible content
Solution Approach 1:
The device performs preliminary determination of reproducibility for each content item in the playlist before actual reproduction. The controller acquires reproduction requirement information and reproduction enabling condition information in advance, determines whether each content is reproducible, and stores this determination result. This preliminary action prevents wasting resources on irreproducible content during actual playback.
Solution Approach 2:
The device automatically determines reproducibility of content items without requiring external intervention or manual checking. The controller autonomously compares reproduction requirements with enabling conditions, stores the determination results, and uses them to automatically skip irreproducible content during playlist reproduction, making the system self-sufficient in identifying and handling incompatible content.
2Productivity
If the device skips irreproducible content in the playlist, then resource waste is reduced and reproduction efficiency is improved, but the device must perform additional determination operations which increase processing complexity
Solution Approach 1:
The device creates a copy of the playlist information that includes determination results indicating whether each content item is reproducible. This copied information is stored in the storage unit and reused during reproduction, avoiding the need to repeatedly perform complex determination operations for the same content items, thus reducing processing complexity while maintaining high reproduction efficiency.
Solution Approach 2:
The complex determination operations are performed in advance before actual reproduction. The controller acquires reproduction requirement information and enabling condition information, determines reproducibility for each content item, and stores these results. This preliminary processing eliminates the need for repeated complex checks during playback, improving reproduction efficiency while containing processing complexity within the initial setup phase.
3Productivity
If the device stores determination results for each content item, then reproduction efficiency is improved by avoiding repeated checks, but the storage requirements and system complexity increase
Solution Approach 1:
The device stores simplified determination results (indicating whether each content item is reproducible) rather than complete reproduction requirement information and enabling condition information. This copied and condensed data structure reduces storage requirements while still enabling efficient reproduction by allowing the device to quickly identify and skip irreproducible content without storing extensive detailed information.
Data Source
AI summary
Provided is a content reproduction device including: a controller configured to: acquire playlist information indicating a reproduction order position of plural pieces of content; acquire reproduction requirement information indicating a condition required for reproduction of each piece of content; acquire reproduction enabling condition information indicating a condition for enabling the reproduction on the content reproduction device; and determine based on the reproduction requirement information and the reproduction enabling condition information whether each of piece of content is reproducible on the content reproduction device; and a storage configured to store information that is based on a determination result obtained by the controller. The controller skip reproducing a piece of content that is irreproducible on the content reproduction device in accordance with the information that is based on the determination result and reproduce another one of the plural pieces of content that is reproducible on the content reproduction device.