Synthesized Percussion Pedal Footswitch Logic for Multi-Loop Control
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Solution Overview
Problem
Current foot-operated looper pedals limit musicians' creativity by restricting the number of parallel and sequential loops, forcing users to choose between them, and do not allow for spontaneous overdubbing or easy rearrangement or sharing of recorded content.
Innovation Solution
A system and method that enables the creation, control, and playback of digital audio loops using a foot-operable interface, allowing for the recording, playback, and overdubbing of multiple loops, with features like auto-pilot mode, round robin variations, and seamless collaboration through networked devices.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If current looper pedals are used with multiple footswitches, then the number of control functions increases, but the device complexity and ease of operation deteriorate because each loop is assigned to a specific footswitch and users must choose between parallel or sequential loops
Solution Approach 1:
A single footswitch is designed to perform multiple functions: it can trigger parallel loops, sequential loops, and overdubbing modes, and control different song parts (verse, chorus, bridge, break) through different activation patterns. This eliminates the need for multiple dedicated footswitches while maintaining full loop control versatility.
Solution Approach 2:
The footswitch operates dynamically by detecting different activation patterns (single press, double press, hold duration) to switch between different loop modes and song parts. The system adapts its behavior based on how the user interacts with the footswitch, allowing one static physical component to provide multiple dynamic functions.
2Ease of operation
If current loopers require predetermined overdub length settings, then the device complexity is reduced, but the ease of operation and adaptability worsen because musicians cannot spontaneously adjust loop lengths during performance
Solution Approach 1:
The system automatically determines the appropriate overdub length by detecting when the user stops playing their instrument. The looper monitors the instrument signal, and when silence or low amplitude is detected, it automatically ends the overdub recording and prepares for playback, eliminating the need for manual length setting or estimation by the musician.
Solution Approach 2:
The system provides real-time feedback by monitoring the instrument signal level during overdub recording. When the signal drops below a threshold indicating the musician has stopped playing, the system automatically triggers the overdub end condition, creating a closed-loop control system that adapts to the musician's performance in real-time.
3Adaptability or versatility
If current loopers lack network connectivity, then the device complexity is reduced, but the adaptability worsens because musicians cannot easily share or collaborate on recorded content
Solution Approach 1:
A docking station serves as an intermediary between the footswitch looper and the network/environment. The docking station handles file transfer, cloud synchronization, and collaboration features, allowing the simple footswitch looper to gain network capabilities without adding complexity to the pedal itself. The docking station acts as a bridge that enables content sharing and collaboration.
4Adaptability or versatility
If current loopers require manual loop arrangement, then the ease of operation is improved for simple cases, but the adaptability worsens because complex song arrangements with multiple loops and layers cannot be easily created or modified
Solution Approach 1:
The system pre-organizes loops into song part structures (verse, chorus, bridge, break) with automatic sequencing. When the user records loops, the system automatically assigns them to appropriate song parts and sets up the playback sequence, eliminating the need for manual arrangement of complex multi-loop songs. The arrangement structure is prepared in advance and automatically applied.
Data Source
AI summary
Methods, apparatus, and a system (collectively a “platform”) are disclosed for facilitating, enabling, or enhancing the creation, control, and playback of digital audio loops or parts. The method may comprise playing back a first midi segment of a song, the first midi segment comprising a first midi sequence repeated a predetermined number of times, transitioning to a second midi segment of the song after the first midi sequence is repeated for the predetermined number of times unless a first foot-operable switch is triggered, receiving a first activation command during the playback of the first midi segment and in response to the first activation command, modifying the predetermined number of times the first midi sequence is to be repeated wherein the first activation command is triggered based on, at least in part, a duration and frequency of a user application of the first foot-operable switch.