Audio Entrainment Cueing for Rhythmic Stability in Therapy
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Solution Overview
Problem
Existing music therapies for improving physical functionality, such as gait and motor skills, face challenges due to the complexity of rhythmic stability and beat strength in recorded music, which can hinder effective entrainment, especially in music with dynamic tempi, time signature changes, and lack of rhythmic pulse.
Innovation Solution
A method that analyzes audio content to identify and enhance rhythmic and structural features, applying assistance cues to improve entrainment suitability, including adjustments to tempo, beat strength, and rhythmic stability, to create a more effective therapeutic music experience.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If recorded music with dynamic tempi and time signature changes is used for therapy, then patient engagement and preference are improved, but rhythmic stability and entrainment effectiveness deteriorate
Solution Approach 1:
The music track is divided into multiple segments, and each segment is independently analyzed and processed to identify and correct rhythmic deviations. This allows the system to preserve the overall structure and preference of the music while correcting specific portions that compromise rhythmic stability for effective entrainment.
Solution Approach 2:
The system modifies temporal parameters of the music track, including tempo, beat strength, and rhythmic patterns, to enhance entrainment suitability. By adjusting these parameters while maintaining the music's identity, the system achieves both patient preference and therapeutic effectiveness.
2Adaptability or versatility
If music with weak or nonexistent rhythmic pulse is used, then musical variety and expression are improved, but beat strength and entrainment capability deteriorate
Solution Approach 1:
An intermediary rhythmic pulse is introduced and synchronized with the music track. This intermediary element provides the necessary beat strength and rhythmic reference for entrainment while working in conjunction with the original music's expressive elements, thus bridging the gap between musical variety and therapeutic effectiveness.
Solution Approach 2:
A periodic rhythmic pulse is imposed on the music track to establish consistent beat strength. This periodic action creates a reliable temporal framework for entrainment while the music's expressive content remains integrated, maintaining both strength and variety.
3Adaptability or versatility
If tempo variations are introduced in the music, then dynamic expression and engagement are improved, but rhythmic stability and entrainment reliability deteriorate
Solution Approach 1:
The system implements dynamic processing that adapts to the music's tempo variations while maintaining overall rhythmic stability. By making the system flexible to handle changes in tempo expression, it preserves musical dynamics while ensuring reliable entrainment through real-time adjustment and correction mechanisms.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The method enhances the suitability of user-preferred music for therapeutic sessions by improving rhythmic stability and beat strength, leading to improved physical functionality and therapeutic outcomes, such as increased gait velocity and stride length in patients with stroke and Parkinson's disease.
Implementation Method 1
performing an analysis on the selected audio content, the analysis identifying audio features of the selected audio content
Implementation Method 2
generating entrainment assistance cue(s) to the selected audio content, the assistance cue(s) including a sound added to the audio content; applying the assistance cues to the audio content simultaneously
Data Source
AI summary
A method of providing repetitive motion therapy comprising providing access to audio content; selecting audio content for delivery to a patient; performing an analysis on the selected audio content, the analysis identifying audio features of the selected audio content, and extracting rhythmic and structural features of the selected audio content; performing an entrainment suitability analysis on the selected audio content; generating entrainment assistance cue(s) to the selected audio content, the assistance cue(s) including a sound added to the audio content; applying the assistance cues to the audio content simultaneously with playing the selected audio content; evaluating a therapeutic effect on the patient, wherein the selected audio content continues to play when a therapeutic threshold is detected, and a second audio content is selected for delivery to the patient when a therapeutic threshold is not detected.