Category
DSDCore.review is now online, but the site is still under active development. Articles currently visible on the site are demonstration content used to test our publishing system and should not be treated as finished editorial work.
Our PCM-to-DSD experiments repeatedly led back to polyphase IIR allpass halfband filters. This note looks at what they do well, where they compromise, and why they fit real-time DSD conversion unusually well.
Fast startup at DSD512 and beyond is not a UI trick. It is a consequence of how decoding, SRC, SDM and buffering are organized before playback begins.
A higher-order sigma-delta modulator is not simply a switch marked “better.” Stability, input level and noise shaping behave very differently as the target DSD rate changes.
