Compensating Timer Display for Variable-Speed Video Recording
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Solution Overview
Problem
Existing video recording systems lack the ability for users to manually control special effects, such as changing the frame rate in real-time during recording, leading to inaccuracies in timing indicators and potential accidental activation of on-screen operations due to finger drift.
Innovation Solution
A real-time video special effects system that includes a graphical user interface with an animated time indicator, allowing users to change the video playback speed and display a compensating timer that adjusts accordingly, using a processing unit to calculate and update the recorded time based on the changed speed rates.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the video playback speed is changed in real-time during recording, then special effects control is improved, but the timing indicator accuracy deteriorates
Solution Approach 1:
The timer display dynamically adapts its behavior based on the current playback speed. When playback speed changes, the timer automatically adjusts its update rate and visual representation to remain accurate. The system transitions from a static timer to a dynamic one that responds to speed changes, resolving the contradiction between flexible speed control and timing accuracy.
Solution Approach 2:
The system implements feedback by continuously monitoring playback speed and using this information to adjust the timer display accordingly. The timer receives feedback about speed changes and modifies its operation to maintain accuracy, creating a closed-loop system that resolves the contradiction between speed control flexibility and timing precision.
2Speed
If the frame rate is changed during recording, then video speed control is improved, but the timer display accuracy deteriorates
Solution Approach 1:
The timer display transitions from a static element to a dynamic one that automatically adjusts its parameters based on current playback speed. When frame rate changes occur, the timer modifies its update frequency and visual representation in real-time, maintaining accuracy across varying speeds without requiring manual intervention.
Solution Approach 2:
The system changes the timer's operational parameters (update rate, display values) in response to playback speed changes. By dynamically adjusting these parameters, the timer maintains accuracy despite variations in frame rate and playback speed, resolving the contradiction between speed control and timing precision.
3Area of stationary object
If on-screen elements are placed closer together, then screen space utilization is improved, but accidental operation activation increases
Solution Approach 1:
The timer display utilizes the temporal dimension by dynamically adjusting its behavior over time based on playback speed. This allows the system to maintain accurate timing information even when spatial arrangement of UI elements is optimized for compactness, as the timer's accuracy is preserved through temporal adaptation rather than spatial separation.
Data Source
AI summary
A compensating timer system and method utilizable with video data featuring sections of different playback or recording speeds. The compensating timer system can be utilized with a user interface associated with and displayable thereon. The user interface can include a video display region configured or configurable to display video data, and an animated time indicator. The animated time indicator can be dependent on a modified playing speed of the video data that changes between different first and second speed rates. The first speed rate can be changed to the second speed rate upon receipt of an input associated with an affordance, by modifying at least one frame in the video data. This allows for continuous recording and/or displaying of video at different speed rates without altering operations or settings. The animated time indicator can be an animated affordance, an animated progress bar, an elapsed timer and/or a time remaining clock.