Katz Embrace SpectraFoo

May 21, 2004 12:00 PM, Editors


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Digital Domain owner Bob Katz reports that Metric Halo's SpectraFoo signal analysis and metering software has been an “indispensable tool” in his work as a recording and mastering engineer.

Pictured: Katz at his studio, Digital Domain.

"I've used SpectraFoo for acoustic analysis of my room to align my subwoofers,” says Katz, whose studio is based in the Orlando, Fla. area. “SpectraFoo generates a pulsed pink noise signal and, using its transfer function, can correlate the signal with what comes out of the loudspeakers and produce a near-anechoic measurement. I can align the subwoofers by the time delay or do a simple RTA analysis.

"I can use SpectraFoo to look at the noise floor of my mastering system, see the shape of the dither in real-time and make sure the dither generator is operating properly, and even get an indication of the distortion in the system. I've used it to measure jitter as well as distortion."

Interestingly, Metric Halo's SpectraFoo incorporates a metering system invented by Katz, called K-System metering. K-System metering offers a standard, integrated approach to monitoring, leveling practices, metering and metadata in order to bring objectivity back into the perception of loudness. Mixing and mastering processes are standardized through the K-System by aligning monitor calibrations with metering calibrations, and making subjective loudness reflect different program material and listening environments.

Visit Katz's www.digido.com Website for information and technical articles on mastering and digital audio. For more information on SpectraFoo, visit www.mhlabs.com.

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