Customized Seek Bar Grid for Precise Touchscreen Playback
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Solution Overview
Problem
Navigating to a specific section of video or audio content on computing devices with touchscreens is difficult due to the fixed size of the seek bar relative to the display, requiring multiple adjustments to accurately position playback.
Innovation Solution
A system that generates a grid on the touchscreen to track user movements, allowing precise navigation by detecting user actions on the grid to determine playback positions, with options for segment navigation and within-segment navigation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If a fixed-size seek bar is used on touchscreen displays, then the seek bar is simple to implement and maintains consistent appearance, but precise navigation to specific sections becomes difficult requiring multiple adjustments
Solution Approach 1:
The seek bar dynamically adjusts its length based on the duration of the media content. When a user interacts with the seek bar, the system calculates the total content duration and scales the seek bar length proportionally, allowing the indicator's position to represent precise time offsets regardless of content length. This resolves the contradiction by making the seek bar adaptive rather than fixed, enabling precise navigation without requiring multiple adjustments.
Solution Approach 2:
The system changes the parameter of seek bar length from a constant value to a variable that depends on media duration. The seek bar length is calculated as a function of content length, so that the physical distance the user drags the indicator corresponds to the actual time duration in the media. This parameter transformation enables precise position selection while maintaining ease of operation.
2Adaptability or versatility
If the seek bar size is constant relative to display size, then the interface is consistent across different content lengths, but the same movement magnitude results in different playback position adjustments depending on content duration
Solution Approach 1:
The seek bar's physical length parameter is changed from a fixed display dimension to a dynamic value scaled according to media duration. The system establishes a proportional relationship where the seek bar length equals a base length multiplied by the ratio of content duration to a reference duration. This ensures that identical user gestures produce appropriately scaled playback position changes for different content lengths.
Solution Approach 2:
The seek bar becomes a universal control mechanism that adapts to any media content length while maintaining consistent interaction patterns. By scaling the seek bar length to match content duration, the same user action (e.g., dragging the indicator halfway across the seek bar) consistently represents the same relative position (50% through the content) regardless of whether the content is short or long.
Data Source
AI summary
Systems and methods are provided for adjusting a playback position of a media asset at a computing device. One example method includes receiving the media asset comprising a video and/or an audio component and outputting the video and/or audio component of the media asset at a first playback position at the computing device. A seek bar control is initiated and, in response to initiating the seek bar control, a grid is generated at the computing device. A user action for adjusting the playback position of the media asset is detected. The detecting the user action comprises determining a first location on the grid corresponding to a first playback position and determining a second playback position by determining that the user action has ended at a second location on the grid corresponding to the second playback position. The media asset is outputted at the second playback position.