GAIN11

The Art & Science of Audio & Video

Inverse Square Law

The inverse square law is probably one of the most widely used fundamental of physics used in the field of audio. As you advance through your career you will continue to use this particular formulation on an increasingly frequent basis. You will use it at the very beginning of your system designs when trying to determine what speakers to select and what amplifiers will be required to power them. It can also be used to assist in the setting of delays speakers and much more. It will be a very valuable tool to have in your audio knowledge toolbox. Simply stated the definition of the inverse square law is as such. Continue reading

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June 28, 2008 Posted by | Class: E=MC2(+/-3db) | , , , , , , | Leave a comment

Critical Distance & Microphone Placement

A microphone is the first component in any speech recording or transmission system. Its function is to convert acoustic sound waves into an equivalent electrical signal. This signal can then be recorded, transmitted, amplified, or modified. Continue reading

June 6, 2008 Posted by | Class: E=MC2(+/-3db) | , , , , , , , , , , , , , , , , | Leave a comment

Don Keele

D. B. (Don) Keele, Jr.’s Summary

Bio as of Feb. 2008

Don Keele has worked for several companies in the area of loudspeaker R&D and measurement technology including Electro-Voice, Klipsch, JBL, Crown, and Harman. He holds three patents on “constant-directivity” loudspeaker horns, has four patents pending, and is a fellow of AES and a member of ASA. He wrote for Audio Magazine as a Senior Editor performing loudspeaker reviews. More recently, he worked for Harman/Becker Automotive Systems in the advanced technology development group and was a member of the Harman corporate acoustics engineering group working under Floyd Toole. Currently he is back at Harman/Becker working in the simulation and virtual acoustics group. Continue reading

March 3, 2008 Posted by | Pioneers in Audio | , , , , , , , , , , , , , , , | Leave a comment