Parabolic Sound Reflector with Optical Tracking for Binaural Beats
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Solution Overview
Problem
Current methods for generating binaural beats require headphones and are not capable of directing collimated resonant sound streams to a listener's ears, especially for non-stationary individuals, limiting their effectiveness and application.
Innovation Solution
A sound generating system featuring a parabolic sound reflecting body mounted on a rotatable stand with a speaker that uses optical sensors and processors for facial recognition to direct collimated streams of resonant sound specifically to a listener's left and right ears, allowing for precise targeting and tracking of the listener.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If headphones are used to deliver binaural beats, then the sound delivery is direct and effective, but the device requires headphones and cannot track or direct sound to non-stationary listeners
Solution Approach 1:
The patent introduces a parabolic sound reflecting body as an intermediary device between the sound source and the listener's ears. This parabolic reflector collimates the sound waves and directs them precisely to the listener's ears, eliminating the need for headphones while maintaining effective sound delivery. The optical sensor acts as another intermediary to detect and track the listener's position, enabling the system to adapt to non-stationary listeners.
2Adaptability or versatility
If sound is directed to non-stationary listeners, then the system becomes more versatile and user-friendly, but the system complexity increases due to tracking requirements
Solution Approach 1:
The system employs optical sensors that automatically detect and track the listener's position without requiring manual intervention. The processor autonomously processes the optical input to determine target directions, and the rotational actuators automatically adjust the parabolic reflector's orientation. This self-service capability enables the system to adapt to non-stationary listeners while minimizing the need for complex user interaction or manual configuration.
3Measurement precision
If collimated resonant sound streams are directed precisely to the ears, then the binaural beats effect is enhanced, but the manufacturing and alignment precision requirements increase
Solution Approach 1:
The system uses optical sensors to continuously monitor the listener's position and provides feedback to the processor. The processor adjusts the target direction based on this feedback, and the rotational actuators modify the parabolic reflector's orientation accordingly. This closed-loop feedback mechanism compensates for manufacturing tolerances and alignment variations, maintaining high precision sound direction without requiring extremely tight manufacturing specifications.
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
Enables the generation and directional delivery of binaural beats without headphones, enhancing their perceived effect and usability for therapeutic purposes by ensuring accurate targeting of the sound streams to the listener's ears, even for non-stationary individuals.
Implementation Method 1
resonant sound as the terminology is used herein refers to sound having a frequency spectrum that includes a base frequency and many harmonics of the base frequency
Implementation Method 2
a speaker fixed on a support member that is connected with the parabolic sound reflecting body, wherein the speaker generates sound in a first direction away from the parabolic sound reflecting body and in a second opposite direction toward the parabolic sound reflecting body
Implementation Method 3
An optical sensor is disposed on the support member or the stand. A processor is disposed in electrical communication with the optical sensor and the one or more rotational actuators. The processor is configured to receive optical input from the optical sensor, process the optical input to target recognition of a human ear
Data Source
AI summary
A sound generating system comprises a parabolic sound reflecting body. A speaker is fixed on a support member that is connected with the parabolic sound reflecting body, wherein the speaker generates sound in a first direction away from the parabolic sound reflecting body and in a second opposite direction toward the parabolic sound reflecting body. The parabolic sound reflecting body is mounted on a stand and configured to rotate around two axes orthogonal to the first direction.


