We’ve been hearing a lot about lossless audio lately. Apple Music says it has it. So does Amazon Music. Tidal and Qobuz have it too, but Spotify doesn’t. (Yet. Or still.) Is lossless audio a big deal?

Streaming services and hi-fi brands now promote “lossless” music as the new gold standard, promising studio-grade sound in your living room, on your commute, and even from your phone. Behind the ...

Lossless audio is the first step toward audio nirvana. But what is it, does it really make a difference, and how can you get it? Here’s what to know. There’s a difference, of course, between “putting ...