Playlist Editing via Highlighting Bar and Scroll Wheel
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Solution Overview
Problem
Editing playlists or queues on devices without a pointing device, such as iPods or digital cameras, is challenging due to the lack of drag-and-drop functionality, making it difficult to manage and rearrange multimedia items.
Innovation Solution
A method and apparatus that utilize a highlighting bar and scroll wheel or button controls to select and move items within a list, allowing users to reorder items without external controllers, using a combination of software and hardware to facilitate item relocation and editing.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a pointing device (mouse, joystick) is used to edit playlists, then item selection and repositioning is easy and intuitive, but device complexity increases and portability decreases
Solution Approach 1:
The invention segments the playlist editing operation into discrete steps: first selecting an item to be moved, then specifying the destination position. This is achieved through a two-phase process where the user interacts with simple buttons to complete the editing task, avoiding the need for complex drag-and-drop functionality while maintaining ease of operation.
Solution Approach 2:
The invention introduces an intermediary mechanism (a temporary marker or cursor) that assists the user in the selection and repositioning process. This intermediary element appears on the display screen to indicate the selected item and the insertion point, making the editing process more intuitive without requiring a pointing device.
2Device complexity
If a scroll wheel is used to navigate playlists, then device portability is improved, but item repositioning becomes difficult and time-consuming
Solution Approach 1:
The invention merges the selection and repositioning operations into a unified process. By combining these functions, the user can achieve item repositioning through a sequence of simple button presses on the existing scroll wheel interface, rather than requiring separate complex operations for selection and movement.
Solution Approach 2:
The invention performs preliminary actions by first highlighting and selecting the item to be moved, then preparing the interface to receive the destination position input. This preliminary selection phase sets up the subsequent repositioning operation, making the overall process more efficient on devices without pointing devices.
3Device complexity
If a simple button interface is used on portable devices, then device portability and simplicity are improved, but playlist editing capability is severely limited
Solution Approach 1:
The invention makes the simple button interface universal by enabling it to perform multiple functions: navigation, selection, and repositioning. The same buttons used for scrolling and navigating the playlist are also utilized for selecting items to move and confirming repositioning operations, thereby enhancing playlist editing capability without adding complexity.
Solution Approach 2:
The invention introduces dynamic behavior to the static button interface. The buttons are made context-sensitive, changing their function based on the current state of the playlist editing process. For example, certain buttons may first highlight items for selection, then confirm selection, and finally execute repositioning, providing versatile editing capability through a simple dynamic interface.
Data Source
AI summary
Techniques for editing a list of items are disclosed and may be used advantageously in portable devices without the drag-and-drop utility. According to one aspect of the present invention, a highlighting bar is provided to facilitate the selection of the item(s), the selected item(s) are then moved to a desired position, and released thereto to produce an edited list, all of which are achieved by using a finger pointing sensor (e.g., a scroll wheel) and one or more designated keys or buttons.