External Storage Simulation for DVD VR Authoring
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Solution Overview
Problem
The frequent rewriting of the VR authoring area on DVDs limits their usability in video recording processes, as the rewrite frequency exceeds the VR data area's capacity, preventing continued use in DVD video burning even when the VR data area is available.
Innovation Solution
A method utilizing an external storage device to simulate the VR authoring area, allowing authoring record files to be updated and saved on the external device, then transferred to the DVD after completion, reducing the need for frequent burning on the VR authoring area and extending the DVD's lifespan.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If the VR authoring area is located on a specific region of the DVD and used to record authoring information, then the DVD video recording can be produced with multi-subtitle, multi-angle, aspect ratio, multi-audio, Dolby digital, region code capabilities, but the rewrite frequency of the VR authoring area exceeds the restriction, preventing continued use in DVD video burning process
Solution Approach 1:
The patent divides the DVD structure into two separate areas: the VR data area for storing video data and the VR authoring area for storing authoring information. By segmenting these functions, the patent allows the VR data area to be used repeatedly for burning video content while the VR authoring area handles the rewriting of authoring information, thus resolving the contradiction between versatility and reliability
Solution Approach 2:
The patent introduces an external storage device as an intermediary to store authoring record files during the authoring process. This intermediary prevents frequent rewriting of the DVD's VR authoring area by temporarily storing authoring data externally, allowing the DVD to be used for multiple video burning operations without exceeding the rewrite frequency restriction
2Ease of operation
If the VR authoring area is rewritten continuously during user authoring, then the authoring operations can be performed with editing capabilities, but the rewrite frequency exceeds the restriction, making the DVD unusable even when the VR data area is available
Solution Approach 1:
The patent performs preliminary authoring operations by storing authoring record files on an external storage device before finalizing the DVD. This preliminary action allows users to perform editing and authoring operations without immediately rewriting the DVD's VR authoring area, thereby extending the DVD's lifespan while maintaining ease of operation
Solution Approach 2:
The patent creates a copy of the authoring record files on an external storage device instead of repeatedly rewriting the original authoring area on the DVD. This copying mechanism allows continuous authoring operations to be performed on the external device while the DVD's VR authoring area is rewritten only when necessary, thus extending the DVD's usable life
Data Source
AI summary
The present invention provides a method of authoring a DVD video recording on an external storage device, the steps of this method comprise; receiving authoring data, the authoring data is used to modify a recording file. The recording file records the authoring of the DVD video recording. Then, modifying the recording file according to the received authoring data on an external storage device until all authoring operations are done. Finally, burning the recording file on a specific area of the DVD.