Audio Recovery Using Double-Sideband AM for Sparse Frequencies
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Solution Overview
Problem
Lossy compression techniques reduce audio data to sparse frequency components, leading to impaired listening experiences due to kinocilia dormancy and hearing loss, as they fail to maintain optimal stimulation of auditory nerve cells, especially in individuals with damaged kinocilia.
Innovation Solution
A system that generates double sideband AM frequency components at least 13 dB below the primary audio signal magnitude to maintain kinocilia in an active state and simulate missing frequencies, thereby enhancing audio quality and restoring auditory perception.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Quantity of substance
If lossy compression is applied to reduce audio data size, then data transmission and storage efficiency is improved, but audio quality and frequency component completeness deteriorates
Solution Approach 1:
The system changes the frequency domain parameters by generating double sideband AM frequency components at specific amplitude levels (at least 13 dB below primary components). This parameter modification restores spectral completeness without significantly increasing data size, as the added components are at lower amplitudes that can be efficiently encoded.
2Device complexity
If lossy compression creates sparse frequency components, then data complexity is reduced, but kinocilia stimulation effectiveness deteriorates
Solution Approach 1:
The system applies partial action by generating only the necessary double sideband AM frequency components rather than restoring all original frequency content. The components are generated at controlled amplitude levels (at least 13 dB below primary components), providing sufficient stimulation to activate kinocilia while maintaining data efficiency.
3Use of energy by moving object
If audio signal magnitude is reduced for compression, then energy consumption is decreased, but auditory perception quality deteriorates
Solution Approach 1:
The system applies local quality by selectively enhancing specific frequency regions through double sideband AM components rather than uniformly increasing all audio signal magnitudes. The components are localized at frequencies adjacent to existing spectral components and are generated at controlled amplitude levels, providing targeted kinocilia stimulation while maintaining overall energy efficiency.
Data Source
AI summary
A system for processing audio data comprising a first system configured to receive an input audio data signal and to electronically process the input audio data signal to generate level normalized audio data. A second system configured to receive the level normalized audio data and to electronically process the level normalized audio data to generate a double sideband AM signal. A third system configured to receive the double sideband AM signal and to mix the double sideband AM signal with the input audio data to generate primary audio data frequency components having double sideband AM signal side components.