Editing System Time Range Correspondence Mapping
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Solution Overview
Problem
Conventional nonlinear video editing systems struggle to accurately reflect the correspondence between time ranges specified in material data and playback data after a time remapping conversion, leading to incorrect playback of scenes or portions of scenes.
Innovation Solution
The system generates playback data from material data with specified time ranges and locates corresponding time ranges within the playback data, allowing for accurate determination and visualization of the correspondence between material and playback time ranges through user interface displays and manipulation of playback data.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If time remapping conversion is applied to generate playback data from material data, then playback flexibility is improved, but the correspondence between material time ranges and playback time ranges becomes inaccurate
Solution Approach 1:
The patent introduces an intermediary data structure (time range correspondence information) that mediates between material data and playback data. This intermediary stores the mapping relationships between material time ranges and playback time ranges, allowing the system to track and maintain accurate correspondence even when time remapping conversions are applied. The intermediary acts as a bridge that preserves the relationship information through the conversion process.
Solution Approach 2:
The system implements feedback by continuously tracking and updating the correspondence between material time ranges and playback time ranges. When time remapping conversions are applied, the system uses the stored correspondence information to identify and adjust the affected playback time ranges, ensuring that the relationship remains accurate. This feedback mechanism allows the system to maintain precision despite the flexibility provided by time remapping.
2Ease of operation
If marks are placed in material data to define a given range, then scene positioning is simplified, but the range indication becomes incorrect after time remapping conversion
Solution Approach 1:
The patent uses the time range correspondence information as an intermediary to resolve the conflict between simple mark placement and accurate range indication. When marks are placed in material data to define a range, the system uses the correspondence information to translate these marks into the correct playback time ranges, ensuring that the range indication remains accurate even after time remapping conversions are applied.
3Adaptability or versatility
If multiple playback time ranges correspond to a single material time range after time remapping, then playback versatility is improved, but determining the correct corresponding range becomes difficult
Solution Approach 1:
The time range correspondence information serves as an intermediary that resolves the ambiguity when multiple playback time ranges correspond to a single material time range. The system stores and uses this correspondence information to identify which playback time range(s) correspond to a given material time range, making it easy to determine the correct correspondence even when multiple options exist.
Solution Approach 2:
The system uses feedback through the correspondence information to identify the correct playback time range corresponding to a material time range. When multiple playback time ranges correspond to a single material time range, the system uses the stored correspondence information to provide feedback that helps identify the correct range, whether through user selection or automatic determination based on additional criteria.
Data Source
AI summary
An editing method comprises: generating, from a material data which is generated according to a first time and which a first time range to be specified, a playback data that is to be played back according to a second time different from the first time, and locating a second time range, which includes the material data within the first time range, in the playback data.