Editing Device Metadata Transfer for Video Clip Selection
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Solution Overview
Problem
The existing editing processes for high-resolution video data are hindered by the slow data transfer speed from removable media, such as optical disks, leading to prolonged wait times before editing can commence, especially as data capacity increases.
Innovation Solution
An editing apparatus that utilizes metadata, including material identifiers and time information, to enable immediate editing without the need for transferring large amounts of material data, allowing editors to select and designate content based on metadata for efficient editing operations.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Speed
If proxy data is read from removable medium (optical disk or magneto optical disk), then data can be accessed, but the reading speed is low causing considerable transmission time
Solution Approach 1:
The patent extracts only the essential metadata (material identifiers and time information) from the removable medium, separating it from the full proxy data. This allows editors to access and work with editing information immediately without waiting for complete data transfer, resolving the speed-time contradiction by taking out only what is needed for immediate editing operations.
Solution Approach 2:
The patent performs preliminary transfer of metadata (material identifiers and time information) before the editor actually needs to perform editing operations. This preliminary action allows the editing interface and material selection to be prepared in advance, so when the editor begins work, the necessary information is already available, eliminating wait time despite slow reading speeds.
2Quantity of substance
If high capacity removable medium is used to store increasing amounts of proxy data and main data, then storage capacity is improved, but the wait time to start editing operation becomes longer
Solution Approach 1:
The patent extracts and transfers only the critical metadata (material identifiers and time information) from the high-capacity removable medium, separating this small essential dataset from the large proxy data and main data. This allows editors to immediately access material information and begin editing operations without waiting for the transfer of large volumes of actual media data, thus resolving the contradiction between storage capacity and wait time.
Solution Approach 2:
The patent applies partial action by transferring only the necessary metadata portion rather than all data. The material identifiers and time information constitute a small fraction of the total data volume on high-capacity media, but this partial transfer is sufficient to enable immediate editing operations, eliminating the proportionally large wait time that would result from transferring complete datasets.
3Productivity
If video camera is connected to editing apparatus for transmitting proxy data, then data transfer can occur, but communication speed is insufficient causing considerable transmission time
Solution Approach 1:
The patent extracts and transfers only the essential metadata (material identifiers and time information) from the video camera through the communication interface, rather than attempting to transfer the full proxy data set. This extracted metadata is sufficient for editors to select and organize materials, enabling productive editing work to begin immediately without being constrained by the insufficient communication speed of the video camera connection.
Data Source
AI summary
A waiting time until editing starts is shortened. Metadata that are a part of metadata are transferred from an optical disc set in a disc unit to an HDD in an editing device. The metadata are text data including a clip ID and continuing time information of material data, and they are small in information quantity. Thus, a waiting time for waiting for the completion of metadata transfer does not take place, and immediately after the optical disc is set editing processing can start. An editor selects a clip in accordance with a clip ID included in the metadata. Further, the editor selects a used portion of the clip in accordance with the continuing time information included in the metadata. Editing data are generated on the basis of these selected results.