Jim Austin

As with all signal-conditioning devices that operate completely in the digital realm—especially those that work at packet level (more correctly referred to as "frame-level" on the local side of the router, but that's a distinction that even few experts make)—the sonic efficacy of audiophile network switches is debated, the debate being, as usual, mainly between those who insist they hear a difference and those who insist, on theoretical grounds, that no difference is possible.

Harmonia—the recently renamed distribution arm of hi-fi company Upscale Audio—had four rooms on the 12th floor at AXPONA.

In Schaumburg C, Rutherford Audio set up camp—and what a camp it was! Electronics by Accustic Arts, analog by Acoustic Signature and Vertere—two turntables—and loudspeakers by Stratton Acoustics, a speaker line I had not previously heard.

When I walked into this room, just before closing time on Sunday, the show’s last day, they were spinning vinyl. Two things are notable about that fact, at least to me.

Among many other honors, Johnston was selected to present the Richard Heyser Memorial Lecture at the 2012 AES convention—an honor shared by our own John Atkinson, who had given that lecture the previous year and was one of the participants in this email conversation. The other was Tom Fine—so, it was me and two sound engineers.

I recently received a letter (not yet published) suggesting a need for a glossary of newer hi-fi terms. Some audiophiles raised on physical media, it seems, are perplexed by descriptions of the new streaming landscape. Just yesterday, all we had to worry about was DACs and transports. Today we have servers, streamers, players, streaming DACs, and all that. That immediately struck me as a good idea, allied with a second reason: To avoid confusion, it makes sense for the industry to standardize the nomenclature. When we see the word "streamer," for example, we should all be thinking about the same thing.

So, here's a brief glossary of streaming-related devices.