Rhythm Recognition in Audio Delay Processors
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Solution Overview
Problem
Current delay effect processors for musical instruments require complex and time-consuming setup to create desired rhythmic effects, as they need manual adjustment of multiple delay sub-systems to produce complex rhythms, and existing systems struggle to automatically set up timing and level parameters for intricate rhythms.
Innovation Solution
The implementation of rhythmic pattern recognition systems that analyze input signals from musical instruments to automatically detect and extract rhythmic patterns, including timing and level information, which are then communicated to delay effect processors or other devices to recreate the rhythm without manual programming.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If manual adjustment of multiple delay sub-systems is used to create complex rhythms, then rhythmic effect quality is improved, but setup complexity and time consumption increase
Solution Approach 1:
The system automatically detects and analyzes the input signal to extract rhythmic patterns, timing information, and level parameters without requiring manual configuration. The delay processor self-configures by detecting beats, determining tempo, and setting delay times and volumes automatically based on the analyzed rhythm pattern.
Solution Approach 2:
The system dynamically adjusts multiple delay sub-system parameters (delay time, volume, feedback) based on the detected rhythmic pattern. By automatically changing these parameters according to the analyzed signal characteristics, the system maintains high rhythmic effect quality while eliminating manual setup complexity.
2Manufacturing precision
If multiple delay sub-systems are configured manually to achieve complex rhythms, then rhythm accuracy is improved, but time consumption increases
Solution Approach 1:
The system performs preliminary analysis of the input signal to pre-determine the rhythmic pattern, tempo, and timing parameters before configuring the delay sub-systems. This preliminary detection and analysis phase automatically prepares all necessary parameters, ensuring accurate rhythm reproduction without time-consuming manual setup.
Solution Approach 2:
The patent replaces manual mechanical adjustment of delay parameters with automatic electronic signal processing. The system uses digital signal analysis and automated parameter generation to substitute the manual configuration process, maintaining high rhythm accuracy while dramatically reducing setup time.
3Productivity
If automatic beat detection is used to set single tempo, then setup time is reduced, but ability to handle complex rhythms is lost
Solution Approach 1:
The system segments the complex rhythmic pattern into individual beats and events, analyzing each component separately to extract timing and level information. This segmentation allows the automatic detection system to handle complex multi-layered rhythms by breaking them down into manageable discrete events while maintaining overall setup efficiency.
Solution Approach 2:
The delay processor is designed with multi-functional capability to handle both simple and complex rhythmic patterns using the same automatic detection system. The system can adapt to various rhythm types (straight eighth notes, syncopated patterns, polyrhythms) by universally applying the same signal analysis and parameter generation algorithms, maintaining versatility while preserving setup efficiency.
Data Source
AI summary
A guitar delay engine such as a multi-tap delay pedal or other rhythm engine such as a vocal multi-tap delay pedal, a drum machine, or any other device that requires setting a rhythmic pattern (i.e. level and timing information) for operation is provided. In a guitar delay device, the guitarist can hold down a foot pedal, play a rhythmic pattern on their guitar, and then release the foot pedal and have the rhythmic pattern just played emulated in the delay pattern on the device.