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Study Hall Home > Acoustic Measurement
Measurement
Inside Ulysses. Sometimes overlooked, Ulysses can be a valuable sound design tool once the project leaves the drawing board. An in-depth look.
System & room interactions. If one could listen to only the direct sound of a loudspeaker, the world would be a very different place! Sam Berkow provides a detail discussion and data.
Lobes and nulls. Your sound system goes into feedback whenever mics pass under the loudspeaker array. Worse yet, there are "soft spots" in some sections of the audience. What to do about the problem.
Equalize the room? Well, not exactly. Equalizers are nifty devices but they can't change the architecture of a room. Clarifying advice here!
Predicting performance. Modeling programs continue to evolve into useful tools. Perspective, now, and the future.
The Nyquist Plot. Don Davis defines and explains how to use the Nyquist Plot, which he terms the most informative frequency domain plot.
Smaart impulse & phase measurement. Intriguing, informative discussion of proper LF alignment, phase and assorted topics. And, some heavy hitters weigh in!
Measuring Z with an RTA. Determine the impedance curve of a loudspeaker with a standard real-time analyzer. Pat Brown tells how, including helpful graphics.
Tom's ProSoundWeb article on alignment and delay.
SMAART Live for Beginners. Doug Fowler's multi-part series explaining SIA Smaart Live concepts and implementation, written for the beginner.
A Practical Example of the Limiting Distance. How to calculate Limiting Distance, factoring in direct field, reverberant field and other factors.
Jamie Anderson Chat. Wide ranging discussion of what's new with SIA Smaart and how to use it.
Apples With Apples. Methods for difference measurements using mics and PC-based analysis tools, backed up with charts.
The Primer: Sound Level Meters. Going in-depth on sound level meters (SLM) - what they are, how they work, how to use them, different classes and more.
TEF Sound Lab Software. Direct access to all new and current developments for TEF, with full information on each aspect.
AES Paper Abstracts: SIM. John Meyer on precision transfer function measurements using program material as the excitation signal.
Using %Alcons to Aim a Line Array. %Alcons measurements can help lead to further optimization. How to do it, and a real-world example.
EASE 4.0. Ron Sauro - leading consultant and EASE expert talking about new EASE 4.0
Application Notes. From PureBits.com, looks at impulse and frequency response measurement of a loudspeaker, many other chapters.
SIA-Smaart Technical Notes. Explore the use of various program features in greater detail. Also explains audio/acoustic concepts.
John Meyer Chat. From the source, the latest on new SIM developments, opinions on DSP and more.
Fourier Analysis. An overview of FFT analysis, with pretty serious math and calculation formulas supplied.
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