Touch-Sensitive Signal Processor with Visual Feedback for Beat Looping
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Solution Overview
Problem
Existing signal processing devices lack intuitive and interactive methods for DJs to alter audio signal playback in real-time, particularly in selecting and visualizing the duration of beats to be repeated or looped during live performances.
Innovation Solution
A device comprising a touch-sensitive input unit and a display unit that allows DJs to select and command the alteration of signal processing by graphically displaying an interval to be processed next, with a transparent overlay indicating the selected time period for looping or repeating beats, providing visual feedback and improved operability.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a touch-sensitive input unit with graphical display is used to allow real-time selection and visualization of time period for signal processing alteration, then ease of operation is improved, but device complexity increases
Solution Approach 1:
The display unit provides visual feedback by graphically displaying the selected time period and its effect on the signal processing in real-time. This allows the user to see immediately what will happen when they release the touch, enabling intuitive control without requiring complex menus or multiple steps.
Solution Approach 2:
The graphical display acts as an intermediary between the touch input and the signal processing alteration. It translates the abstract concept of time period selection into a visual representation that the user can understand and control, bridging the gap between simple touch input and complex audio processing parameters.
2Use of energy by moving object
If graphical display of time period is provided only while input unit is touched, then energy consumption is reduced, but loss of information occurs after touch is released
Solution Approach 1:
The display unit shows the time period selection and its effect on the signal while the user is touching the input unit, allowing the user to preview the result before committing. This preliminary visualization ensures no information is lost when the touch is released, as the user has already seen the intended outcome.
Solution Approach 2:
The display dynamically adjusts its content based on the touch state - showing the time period and processing effect during touch, and maintaining or updating the display after touch is released to preserve the selected parameters. This dynamic behavior balances energy efficiency with information retention.
Data Source
AI summary
A device for altering processing of a signal during processing of the signal has a display unit, an input unit and a processing unit. The display unit is configured for graphically displaying at least a predetermined interval to-be-processed-next of the signal. The input unit is configured for receiving at least one of: a selection input for selecting duration of a time period within the interval and a command input for commanding altering the processing using the time period. The processing unit is configured for processing the signal and for altering the processing in response to the command input. The input unit is touch-sensitive and the processing unit is configured to control the display unit for displaying graphically the time period at least while the input unit is touched.