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Audio System Controller
Low Noise Floor
DX260 An Epic Digital Audio Player With An Octa DAC Chip Matrix
The CS43198, a Cirrus Logic flagship DAC chip, has an excellent dynamic range, outstanding resolution of micro details, and an impressively low noise floor, adding up to exceptional performance.
The Octa DAC Chip Matrix with our implementation guarantees both superb sound quality and DAP leading measurements. THD+N hits -123dB, the best among portable players. This groundbreaking achievement sets a new standard in the industry.
The more the merrier. Taking the advantage of quantity to achieve better quality and achieving extraordinary results.
The Evolved Audio System Controller
After years of algorithm development, our FPGA-Master has entered generation 2.0. As the audio system controller, it directly requests audio data from the SoC and plays a major role in signal reproduction and maintaining signal integrity. It synchronizes and generates all audio clocks utilizing two NDK femtosecond oscillators to achieve a fully synchronized single clock source. The FPGA-Master 2.0 also haspicosecond-level precise control and adjusts the DAC clock, data, and constructs the FIR filter.
FIR Filter The DAC Matrix Magician
Thanks to the new algorithm of FPGA-MASTER2.0, the potential of the 8pcs CS43198 can be further explored and developed.
Synchronous parallel output mode:
This reduces “discrete distortion” between DACs to improve overall performance.
FIR 2x mode, FIR 4x mode:
With FPGA-MASTER 2.0, picosecond-level precise control and adjustment of the DAC clock and data is achieved, making each DAC data stream independently adjustable. Through the “delay parallel” of 4 DACs, the DACs form a hardware analog FIR filter, which averages the differences between multiple DACs, reducing distortion and effectively improving sound details and realism.