The assertion that “the standard’s used on CD is already above what's needed for super-high fidelity” is hotly debated.   I won’t beat that dead horse other than to express my skepticism that science understands all facets of human hearing as it relates to music, and express my skepticism that Red Book CD can’t be bettered in terms of audio quality.   (FWIW, I learned about Nyquist Theorem long before CDs were invented.) Modern high-quality classical recordings are released every month o
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