Musical Instrument Touch Panel Parameter Confirmation
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Solution Overview
Problem
Conventional electronic musical instrument operating devices reflect touch panel operations in real time, leading to potential extreme parameter changes if a player touches the panel unintentionally, which can damage equipment or disrupt performances.
Innovation Solution
An electronic musical instrument operating device with a display that shows current and desired parameter values in different forms, and a reflection mechanism that only changes parameters when a deliberate operation is performed by the operator.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If real-time reflection of touch panel operations is implemented, then ease of operation is improved, but reliability deteriorates due to potential extreme parameter changes from unintentional touches
Solution Approach 1:
The system performs preliminary actions by displaying a confirmation screen before applying parameter changes. The confirmation screen shows the parameter name, current value, and intended new value, requiring the user to explicitly confirm the change. This preliminary step prevents unintentional touches from immediately changing parameters while still allowing easy operation when the user intends to make changes.
2Ease of operation
If frequent control signals are transmitted for parameter adjustment, then ease of operation is improved, but harmful factors increase due to adverse effects on sound generation process and speed
Solution Approach 1:
Instead of continuously transmitting control signals during parameter adjustment, the system uses periodic action by only transmitting the final control signal after the user confirms the parameter change on the confirmation screen. This reduces the frequency of control signal transmissions to necessary levels only, preventing adverse effects on the sound generation process and speed while maintaining ease of operation.
Data Source
AI summary
An electronic musical instrument operating device has a display configured to display a current value of any parameter of the electronic musical instrument. A touch panel input is configured to receive input of a desired value of the parameter of the electronic musical instrument. A display control configured to display the desired value in a second display form. A reflection part is configured to reflect the desired value on the current value, provided that a relevant operation is performed by an operator. A determining part is configured to determine whether the parameter has been changed to the desired value. The display control restores the desired value displayed in the second display form on the display to the first display form, provided that the parameter is determined to be changed to the desired value.