Modern digital audio concepts encompass key elements such as dither, which improves audio quality by reducing quantization errors, and the consequences of aliasing in digital-to-analog converters (DACs). Oversampling is highlighted as a technique that enhances audio fidelity by increasing the sample rate, allowing for better reconstruction of sound. The discussion also delves into the intricacies of high-quality DACs, emphasizing their role in accurate audio playback. Additionally, the creation of modern digital audio, including DXD audio and noise shaping techniques, is explored to illustrate advancements in sound technology. Understanding these concepts is essential for anyone interested in the evolution and quality of digital audio.