Musical Interface Direct Manipulation for Note Editing
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Solution Overview
Problem
Current graphical user interfaces for musical notation require complex workflows involving numerous mouse clicks and movements, making it difficult to efficiently change note durations, positions, and velocities, lacking direct manipulation features.
Innovation Solution
A graphical user interface method that allows users to change note durations and guide notes along a beat ruler with fewer mouse clicks by displaying a time duration indicator that can be dynamically adjusted, enabling direct manipulation of note durations, positions, and velocities through intuitive user interactions such as dragging and keyboard inputs.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If traditional menu-based workflows are used to change note duration, then comprehensive control over note properties is achieved, but the number of mouse clicks and travel increases significantly
Solution Approach 1:
The interface is segmented into functional zones: the musical staff area for note placement and the palette area for duration selection. This spatial segmentation allows users to access duration controls directly at the note location rather than navigating through hierarchical menus, reducing mouse travel distance and clicks while maintaining comprehensive control over note properties.
Solution Approach 2:
A duration control mechanism acts as an intermediary between the note and the duration property. Instead of requiring users to navigate through menu hierarchies to access duration settings, the intermediary control is brought directly to the note location, allowing immediate manipulation of duration while preserving access to all duration options.
2Adaptability or versatility
If comprehensive menu options are provided for note manipulation, then all note features can be controlled, but the workflow becomes complex with numerous steps
Solution Approach 1:
The duration control functionality is extracted from the complex hierarchical menu structure and placed directly at the note location on the musical staff. This extraction maintains the full range of duration options (preserving adaptability) while eliminating the need to navigate through multiple menu levels (reducing workflow complexity).
Solution Approach 2:
The duration control interface is prepared and positioned in advance at the note location before the user needs to modify the duration. This preliminary action ensures that all duration options are immediately accessible without requiring subsequent menu navigation, simplifying the workflow while maintaining comprehensive control over note properties.
3Productivity
If direct manipulation of note duration is implemented, then mouse clicks and travel are reduced, but the interface must display dynamic indicators
Solution Approach 1:
The duration control indicator is designed to be dynamic, automatically adjusting its visual representation based on the current note duration and responding to user manipulation in real-time. This dynamic behavior enables direct manipulation of note duration (improving productivity) while the indicator's adaptive nature keeps the interface relatively simple despite the added functionality.
Data Source
AI summary
Methods for providing a musical user interface are disclosed. A notation window with a musical sign, for example, a note is displayed. Selection of the sign is received. A time duration indicator at a selected sign is displayed. User manipulation of the time duration indicator to adjust time duration of the selected musical sign is received. The dynamically changed time duration indicator is displayed while receiving user manipulation. A beat ruler with beat marks and a staff are displayed. Selection of the note is received. A beat mark corresponding to the selected note is determined and then modified. Next, a modified beat mark is displayed. The selected note changes a position on the staff along the beat ruler in response to an input from a user. Determining, modifying the beat mark, and displaying the modified beat mark is repeated while the position of the selected note is changed.