Hi Steve...

Welcome back to the living .....
The direct links:
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01.31.2003
Room Mode Calculator
By Dr. Floyd E. Toole, Vice President Acoustical Engineering,
Harman International Industries, Inc.
- This is a Microsoft® Excel® program for the PC that calculates the resonance frequencies for rectangular rooms, and which shows graphically the sound pressure distributions along the major axes of the room. To use it, type your room dimensions into the WAVES component of the calculator. The dimensions are automatically entered into MODES. Its use is explained in Part 3 of "Loudspeakers and Rooms for Multichannel Audio Reproduction."
http://www.harman.com/xls/Room%20Mode%20Calculator.xls [128 kB]
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02.15.2003
Reslab 2: A Program That Allows You to Model, Plot and Listen to the Effect of Resonances
By Todd Welti, Research Acoustician, Harman International Industries, Inc.
- Reslab 2 is a program that allows you to play with resonances. This very sophisticated program allows the user to model, plot and listen to the effect of resonances. Plots include FFT, impulse response, ETC, spectrograms, etc., of input, resonance and output. Different source signals may be selected for analysis and auralization, including user-supplied files. Output of auralization may be saved to a file. Runs under Windows® 98/Me/2000. Perform your own experiments on the audibility of resonances!
http://www.harman.com/wp/apps/reslab2.zip [> 8 MB]
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