Firmware-Configurable Oversampling Filter for Audio Sound Tuning

The patent applies the dynamics principle by making the computational algorithm configurable through firmware. The oversampling filter includes a processor that can execute different computational algorithms by loading different firmware, allowing the system to dynamically adapt its filtering characteristics while maintaining a fixed hardware structure. This resolves the contradiction by enabling adaptability without increasing hardware complexity.

The patent applies parameter changes by allowing different computational algorithms to be loaded via firmware configuration. The system can change the computational parameters and algorithms of the digital filter without physical modification, enabling flexible sound quality design while keeping the hardware structure simple and easy to manufacture.

The patent applies universality by designing a single oversampling filter structure that can perform multiple filtering functions by loading different coefficient sets and computational algorithms. The processor-based architecture allows the same hardware to universally handle various filter configurations, achieving multi-functionality without proportionally increasing device complexity.

The patent implements copying by storing multiple sets of coefficients in memory that can be selectively loaded. Instead of duplicating hardware structures, the system creates virtual copies of filter configurations through software, allowing multiple filter profiles to coexist in a compact manner that minimizes device complexity.