EASE Focus: Array Aiming Software
Charlie Hughes provides a look at the basics of EASE Focus 2-D loudspeaker array aiming software. He explains general operation and GUI layout - and also includes a design example – backed by plenty of graphics that enhance the discussion. (more...)

Useful Ipod Audio Utilities
Given the proliferation of Apple Ipod portable audio players, it’s useful to have audio test files optimized for Ipod playback, particularly since it provides WAV file support. Pat has produced several files, available for free download, and offers insight. (more...)

Always Test The Testers!
Sound system technicians should always test the polarity of all components when installing a system. But it's also vital to make sure the "testers" are also tested regularly. Plus, a simple way to construct an irrefutable polarity test rig. (more...)

Reflection Direction
Dale Shirk shares an approach he’s developed for measurement microphone positioning with Polar ETC, the program module for Goldline TEF. Using common items from the “junk box," he shows his technique and the results.(more...)

Sorensen Sez
One state has a law making it illegal for women to drive into the side of a parked freight train on weekends. Absurd? Sure, but it’s on the books for reasons that are real. Jim Sorensen notes that audio people do much the very same things.

Multichannel Microphone Techniques
The preservation of the ambience and spaciousness of a listening space is an objective of measuring room acoustics, so many practioners are borrowing multichannel mic techniques from the recording world. What they are, and how to use them.(more...)

Alternatives: Impulse Response
Past newsletters have described a method for gathering the Room Impulse Response with a portable recorder. This article addresses some of the caveats of using this method.(more...)

Combining Wire For Larger Gauge?
Can several lengths of wire be combined in parallel to produce a larger wire gauge? Interesting question! And the answer is “yes” - if done with care. Specific instructions on how to do it, along with additional insight from David Wright.(more...)