Layered Audio Equalization Interface for Intuitive Curve Adjustment
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Solution Overview
Problem
Audio equalization technologies often confuse non-expert users with complex sliders for individual frequency band adjustments, making it difficult for them to set ideal settings for various audio presentations.
Innovation Solution
A visual user interface with first and second configurable elements allows users to intuitively establish and modify audio equalization characteristics by positioning the first element on a grid with predefined settings, providing visual feedback and a graphical representation of changes through the second element.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If multiple sliders for individual frequency band adjustments are provided, then audio equalization control precision is improved, but device complexity and ease of operation deteriorate
Solution Approach 1:
The patent combines multiple individual frequency band controls into a single graphical equalization curve that can be adjusted as one continuous element. Instead of requiring users to manipulate multiple separate sliders for different frequency bands, the invention presents a unified visual representation where a single draggable object controls the overall equalization shape, merging multiple control functions into one intuitive interface element.
Solution Approach 2:
The patent transitions from one-dimensional slider adjustments to a two-dimensional graphical interface where equalization is represented as a curve on a graph with frequency on the x-axis and gain on the y-axis. This dimensional change allows users to visualize and adjust multiple frequency bands simultaneously by interacting with the curve in 2D space, rather than sequentially adjusting individual sliders.
2Measurement precision
If multiple sliders for individual frequency band adjustments are provided, then audio equalization control precision is improved, but ease of operation worsens
Solution Approach 1:
The patent replaces the mechanical slider interface with a graphical drag-and-drop interaction model. Instead of physically moving multiple sliders, users interact with a single graphical element on a display screen, dragging it to desired positions. This substitution of the mechanical control system with a graphical interface simplifies the interaction model while maintaining precise control over audio equalization parameters.
Solution Approach 2:
The patent uses a graphical representation (visual copy) of the equalization curve that mirrors the actual audio frequency response. This visual copy allows users to see the effect of their adjustments in real-time and make intuitive modifications by dragging the graphical element, providing immediate visual feedback that simplifies the operation compared to abstract slider positions.
3Ease of operation
If predefined regions with audio equalization characteristics are provided, then ease of operation is improved, but adaptability worsens
Solution Approach 1:
The patent creates a dynamic interface where the equalization curve can be both pre-configured for common scenarios and freely customized by the user. The graphical element can be dragged to predefined positions for quick setup, but also allows continuous, arbitrary positioning for custom adjustments. This dynamic flexibility enables the interface to adapt to both novice users seeking quick presets and experienced users requiring precise customization.
Data Source
Figure 1A~1B
Figure 2A~2B
Figure 3A~3B
AI summary
An apparatus comprising: means for enabling presentation of a visual user interface for audio equalization; means for enabling a first configurable element and a second configurable element to be provided by the visual user interface; associating an audio equalization characteristic with the first configurable element; wherein the second configurable element provides a visual representation of the audio equalization characteristic; and wherein the first configurable element is provided in a first layer of the visual user interface and the second configurable element is provided in a second layer of the visual user interface element.