Audio Frequency Modulation for Noninvasive Neural Stimulation
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing methods lack the ability to noninvasively influence attentional states in the brain through neural oscillations using audio stimulation effectively.
Innovation Solution
The method involves selecting audio components based on cochlear profiles and applying modulation techniques to specific frequency ranges to synchronize neural oscillations, using amplitude or volume modulation to stimulate the brain without disturbance, aligning the modulation with the audio's rhythmic elements to enhance entrainment.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If audio modulation is applied to stimulate neural oscillations, then neural stimulation effectiveness is improved, but audio fidelity and listener enjoyment may deteriorate
Solution Approach 1:
The patent applies different processing to different frequency components of the audio signal. Specific frequency bands are selected for modulation based on their correspondence to neural oscillation frequencies, while other frequency components remain unmodified. This localized approach ensures neural stimulation effectiveness in targeted frequency ranges without degrading overall audio quality and listener enjoyment.
Solution Approach 2:
The patent dynamically adjusts modulation parameters including frequency, amplitude, and phase of audio components based on the desired neural oscillation patterns. By carefully controlling these parameters and aligning them with natural neural rhythms, the system achieves effective neural stimulation while maintaining audio fidelity and avoiding listener disturbance.
2Adaptability or versatility
If amplitude modulation is applied to synchronize neural oscillations, then attentional state influence is improved, but waveform fidelity deteriorates
Solution Approach 1:
The patent segments the audio signal into multiple frequency components and processes each segment independently. By applying amplitude modulation only to specific frequency segments that correspond to target neural oscillations while leaving other segments unchanged, the system maintains overall waveform fidelity while achieving attentional state influence through the modulated segments.
3Measurement precision
If frequency-specific modulation is applied to target brain regions, then neural stimulation precision is improved, but audio complexity increases
Solution Approach 1:
The patent applies modulation only to the extent necessary for effective neural stimulation in specific frequency bands, rather than uniformly processing the entire audio signal. This partial action approach achieves precise neural stimulation targeting while minimizing unnecessary processing complexity and preserving audio simplicity.
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
This approach enhances neural stimulation by increasing waveform fidelity and targeting specific brain regions, improving focus, memory, meditation, and sleep without interfering with the listener's enjoyment of the audio.
Implementation Method 1
The ability to influence attentional states, via noninvasive brain stimulation, would be greatly desirable. The modulated audio frequencies are configured to synchronize with neural oscillations to provide noninvasive neural stimulation.
Implementation Method 2
applying modulation techniques to specific frequency ranges to synchronize neural oscillations, using amplitude or volume modulation to stimulate the brain
Data Source
AI summary
First data comprising a first range of audio frequencies is received. The first range of audio frequencies corresponds to a predetermined cochlear region of a listener. Second data comprising a second range of audio frequencies is also received. Third data comprising a first modulated range of audio frequencies is acquired. The third data is acquired by modulating the first range of audio frequencies according to a stimulation protocol that is configured to provide neural stimulation of a brain of the listener. The second data and the third data are arranged to generate an audio composition from the second data and the third data.