Dynamic Audio Processing via High-Clock Analog-Digital Conversion
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Solution Overview
Problem
Existing audio processing methods struggle to increase perceived loudness without flattening volume dynamics or introducing distortion, limiting home enthusiasts and hobbyists from achieving commercially competitive audio levels.
Innovation Solution
A system that plays digital audio files at a higher clock frequency, converting them to analog signals for processing through analog circuits, then back to digital with reduced low-frequency information, allowing for louder and more dynamic audio without distortion.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Illumination intensity
If dynamic compression and limiting are applied to increase volume levels, then perceived loudness is improved, but volume dynamics are flattened and distortion is introduced
Solution Approach 1:
The patent applies preliminary action by processing the audio signal at a higher clock frequency before conversion to analog. This preprocessing step removes low-frequency information that would otherwise cause distortion during compression and limiting, allowing subsequent volume enhancement without the harmful effects of distortion while preserving volume dynamics.
2Illumination intensity
If dynamic compression and limiting are applied to increase volume levels, then perceived loudness is improved, but volume dynamics are flattened
Solution Approach 1:
The patent applies preliminary action by processing the audio signal at a higher clock frequency before conversion to analog. This preprocessing step removes low-frequency information that would otherwise cause distortion during compression and limiting, allowing subsequent volume enhancement without the harmful effects of distortion while preserving volume dynamics.
3Reliability
If analog audio components are used to process audio, then audio quality is improved, but cost is increased
Solution Approach 1:
The patent applies mechanics substitution by replacing expensive analog audio processing components with a digital signal processing system. The method uses digital processing at elevated clock frequencies to achieve what would traditionally require complex analog circuitry, thereby maintaining audio quality while significantly reducing cost.
4Ease of manufacture
If digital audio is processed entirely in the digital domain, then cost is reduced, but audio quality deteriorates
Solution Approach 1:
The patent applies mechanics substitution by replacing expensive analog audio processing components with a digital signal processing system. The method uses digital processing at elevated clock frequencies to achieve what would traditionally require complex analog circuitry, thereby maintaining audio quality while significantly reducing cost.
Data Source
AI summary
Systems and methods presented herein may provide for processing audio with increased loudness and dynamics. A first clock frequency associated with a digital audio file may be increased to a second clock frequency, which speeds up the playback of the audio. The digital audio file may then be converted to analog at the higher second frequency, where it is further modified in the analog domain. The analog audio is then converted back into digital audio at the second clock frequency. The clock frequency is then decreased back to the first clock frequency for playback or storage of the processed (i.e., modified or manipulated) digital audio file. Alternatively, the entire process can take place in the digital domain.