Sub-Nyquist sampling and Finite Rate of Innovation (FRI) signal processing represent a paradigm shift in the acquisition and reconstruction of signals. Traditional sampling theories require adherence ...

Recent advances in high-speed data converters now digitize or generate signals directly at radio frequencies up to several gigahertz, replacing traditional radio frequency (RF) components like mixers, ...

Part 1 of this article series discussed the theoretical benefits of high-resolution audio’s large sample sizes and the degree to which the limitations of real-life equipment, recording studios, and ...