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Only sensibilities trained on poetry can wholly appreciate it.—T.S. Eliot (writing about Djuna Barnes's Nightwood)

In the 17th century, steam engines began appearing throughout Europe and Asia, ushered into existence by any number of different inventors. More recently, multiple inventors conceived and cooked up the atomic bomb, the jet engine, and the solid-body electric guitar.

People who like cake tend to like different things about it. Some people like a flourless cake, some people like a fluffy angel food cake, and some like a cake loaded up with little pieces of carrot and God-knows-what-else. People who like hi-fi also tend to like different things. Some like punchy, forceful sounds, some like realistic, natural tones, some like texture and color, some like "air," and some like to hear things go whooshing from one speaker to the other. It's all okay.

Today, even in stereo, that trinity would be regarded as rather traditional—or, if you prefer, purist. Digital has exploded the range of source options and loudspeaker options. Yet amplifiers have not changed much in how and what they do.

As I pondered this, I recalled a recent paper I'd seen in the Journal of the Audio Engineering Society but hadn't yet read. "High Resolution Audio: A History and Perspective," which the AES has made available free online, does precisely what the title says: reviews the history of digital audio beyond CD-rez and frames the issue of high-rez audio's audible superiority on the basis of the available evidence.