audioXpress - December 2017

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14 Axign of Things to Come By Ward Maas Ward Maas looks at Axign, a new company from The Netherlands, founded by former Philips and NXP employees whose efforts have resulted in the development of the AX5689, a Class-D audio amplifier controller chip in a QFN package.
28 Audio Editing Software Roundup (Part 1) Comparing Audio Editing Tools By Fernando Rodrigues Fernando Rodrigues examines some of the available software audio editors currently on the market. Here, we look at what makes pure audio editing software different from those complex and more expensive Digital Audio Workstations (DAWs).
34 Naim Audio Mu-so Qb Wireless Music System A Case of Groundbreaking Design By Oliver Masciarotte and Kent Peterson Oliver Masciarotte explores Naim’s Mu-so Qb, with its stunning design, glass-filled polymer casing, and same clever digital brain as the original Mu-so. Kent Peterson puts the Mu-so Qb to the test confirming that the device sounds as good as it looks.
42 The Simply Sound Company SS-1 Microphone Preamp By Stuart Yaniger Stuart Yaniger measures and tests this single channel preamp, meant to boost the signal of a low output microphone to levels compatible with normal microphone inputs.
46 Educated Reflections By Gary Eickmeier Learn more about this unique approach to acoustics, where the main goal is to provide the best listening environment for dipolar and mulit-directional speakers.
56 Omni-Directional Coaxial Tower Natural Sound Propagation By Ken Bird Discover this simple project for an omni-directional coaxial system that actually delivers natural sound propagation in every direction.
8 Vinyl vs. CD (Part 3) Exploring the Effects By Ron Tipton
22 Progress on Calculating Edge Effect of Acoustical Absorption By Richard Honeycutt
52 Active Loudspeakers with Dedicated DSP Are the Next Step in Sound Quality An Interview with Floyd Toole By Shannon Becker
62 Circuit Design for a Small Bass Amplifier By Richard Honeycutt