Consumer interest in higher-tech home music systems is on the rise, as are innovations in wireless technology and higher-resolution digital music files. "There's a convergence of technology that makes this a specific category that will definitely accelerate," says Tom Kerber, director of research, home controls and energy at Parks Associates.

Digital music sales surpassed physical sales of CDs in 2011. At the same time, sales of home audio components are expected to rise slightly, from about $1.3 billion in 2011 to $1.5 billion in 2015, the Consumer Electronics Association estimates.

From the article, "Filling your home with music, wirelessly" Mike Snider.

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