Mixer Channel Level Display for Fader and Output Comparison
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Solution Overview
Problem
Conventional mixers cannot simultaneously and constantly display both the fader level set by the channel fader and the output level, where the DCA level is reflected, making it difficult for users to effectively compare and set levels.
Innovation Solution
A level setting apparatus that includes an individual level controller, a group level controller, and a display controller to overlay-display the group level on the individual level, allowing users to compare the fader level and output level on a display device.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of information
If the DCA level is reflected to the position of the channel fader knob, then the output level can be displayed, but the ability to finely set the fader level is lost
Solution Approach 1:
The patent introduces a new display dimension by showing the output level as a separate visual indicator (e.g., LED bar graph or digital display) alongside the channel fader position. This allows the output level information to be presented in a different dimensional space rather than by moving the fader knob itself, preserving the fader's fine adjustment capability while providing constant visual feedback of the reflected DCA level.
2Loss of information
If a switch is used to temporarily display the output level, then the DCA level can be reflected, but constant and simultaneous display of both fader level and output level is impossible
Solution Approach 1:
The patent implements a continuous display mechanism that constantly shows both the channel fader level and the output level (with DCA reflection) simultaneously. This eliminates the need for temporary or switched display modes, providing uninterrupted visual feedback that allows users to continuously compare the two levels during operation without losing information or requiring time-consuming mode switching.
3Ease of operation
If the fader level position indicates only the fader setting, then fine setting is possible, but comparison with output level cannot be performed
Solution Approach 1:
The patent introduces an intermediary visual display element (such as a separate LED indicator, digital readout, or overlay display) that shows the output level information without interfering with the physical fader knob position. This intermediary provides the missing comparison information while leaving the fader's precise positioning capability intact, allowing users to see both the precise setting and the reflected output level simultaneously.
Data Source
AI summary
A fader level set for a fader of a channel is displayed at a channel level display section in a channel screen by, for example, a length of a bar, and a channel level indicating level of output from the channel is overlay-displayed by an indicator on the channel level display section at a position corresponding to the level to be displayed. It is thereby possible to compare the fader level set for the fader of the channel and the channel level indicating level of output from the channel by checking the channel level display section in the channel screen.