Beaverton, Oregon—If you're developing a multi-channel audio product such as a Dolby 7.1 Surround Sound or automotive sound system, here's news of a PC-controlled tester from Audio Precision, Inc.

The APx585 redefines ease of use for testing devices such as cell phones and MP3 players. It has eight analog audio inputs and eight analog outputs, and it supports eight channels of digitized audio.

Audio on your PC is a very personal experience, and what I like may not be to everyone's tastes. Audiophiles and PC enthusiasts collectively agree that different setups can make the same track sound ...