I'm trying to get to the bottom of some technical issues I've had with my home theater setup. It's always been fed power through a pretty high-end UPS/line conditioner, so I doubt that's the problem.

If you own an AV receiver made by Pioneer, Elite, Onkyo, or Integra, you may soon get a big software update. Premium Audio Company (PAC), the company that owns all four audio brands, says that on ...