AV Data Storage Metadata for Scene-Based Search
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Solution Overview
Problem
Conventional storage media, such as DVDs and Blu-ray discs, lack the ability to jump to specific scenes based on user-defined search conditions like scene, character, location, or item, and do not provide diverse search functions, making it difficult to edit or reuse AV data and metadata.
Innovation Solution
A storage medium that includes metadata for enhanced search functions, allowing users to search and reproduce AV data by scene using keywords, with metadata defining entry points and durations for each scene, enabling the reproduction of selected scenes and supporting multiple angles or paths.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If conventional storage media structure is used, then manufacturing simplicity is maintained, but search functionality is limited
Solution Approach 1:
The storage medium is segmented into multiple functional layers: a first layer containing basic AV data structure (clips, playlists, movie objects, index table) and a second layer containing enhanced metadata (title scene search information, highlight information, chapter information). This segmentation allows the patent to add search functionality without fundamentally redesigning the entire storage structure, thereby improving versatility while controlling complexity.
Solution Approach 2:
The patent pre-processes AV data by inserting metadata markers and scene information into the storage medium during manufacturing. Title scene search information, including keywords, timestamps, and scene descriptors, is embedded in advance in the second layer, enabling users to perform searches without requiring complex real-time analysis of the AV data, thus enhancing search functionality while keeping the system relatively simple.
2Adaptability or versatility
If metadata is added for search functions, then search capability is enhanced, but manufacturing complexity increases
Solution Approach 1:
The metadata is segmented into structured components (title scene search information, highlight information, chapter information) organized in a separate second layer. This segmentation allows manufacturers to add metadata using standardized processes without complicating the core AV data manufacturing workflow, thereby enhancing search capability while maintaining ease of manufacture.
Solution Approach 2:
The metadata structure is designed to be universal and multi-functional, supporting multiple search types (keyword-based title scene search, highlight search, chapter search) within a single standardized framework. This universality allows the same manufacturing process to produce metadata that serves multiple search purposes, enhancing search capability without proportionally increasing manufacturing complexity.
3Quantity of substance
If AV data is compression-encoded, then storage efficiency is improved, but editability and reuse of metadata becomes difficult
Solution Approach 1:
The patent separates metadata from compressed AV data by storing them in distinct layers. The first layer contains compression-encoded AV data for storage efficiency, while the second layer contains uncompressed or lightly compressed metadata in a structured format (XML, JSON, or other parseable formats). This segmentation maintains storage efficiency while enabling easy metadata editability and reuse, as metadata can be accessed and modified without decompressing the entire AV data stream.
Solution Approach 2:
The patent introduces metadata as an intermediary layer between the compressed AV data and the user search function. This intermediary metadata layer contains scene information, keywords, and timestamps that bridge the gap between the compressed data and search requirements, allowing users to search compressed AV data efficiently without requiring the metadata to be embedded within the compressed stream, thus maintaining both storage efficiency and metadata editability.
4Ease of operation
If playlist marks are used for navigation, then reproduction control is simplified, but distinction of multiple angles or paths is limited
Solution Approach 1:
The patent segments the navigation system by introducing separate metadata structures for different navigation purposes: playlist marks for basic reproduction control and title scene search information for advanced navigation including multi-angle and multi-path support. This segmentation allows simple playlist-based reproduction control to be maintained while adding versatility for complex navigation scenarios through the enhanced second layer metadata.
Solution Approach 2:
The patent adds another dimension to the navigation system by introducing temporal and contextual metadata dimensions beyond simple playlist marks. Title scene search information includes timestamps, scene descriptors, and keyword associations that create a new dimension for navigation, enabling users to jump to specific scenes, angles, or paths based on content characteristics rather than just sequential playback position, thus enhancing versatility while maintaining ease of operation through the familiar playlist interface.
Data Source
AI summary
A storage medium is provided for storing metadata for providing an enhanced search function using various search keywords of audio-visual (AV) data. The storage medium stores AV data; and metadata for conducting an enhanced search of the AV data by scene using information regarding at least one search keyword. The metadata may include information regarding an entry point and/or a duration, angles, etc., of each scene. Hence, the enhanced search can be conducted using various search keywords. Further, search results can be reproduced according to diverse scenarios, and the enhanced search function can be provided for movie titles that support multiple angles or multiple paths. Moreover, metadata can be created in multiple languages, thereby enabling the enhanced search function to support multiple languages.