Re: estimate of frequency response (David Prince )


Subject: Re: estimate of frequency response
From:    David Prince  <dprince(at)ACOUSTICEXPERTISE.COM>
Date:    Thu, 11 Nov 2004 11:32:58 -0600

I'd recommend first reading up on Jurgen Meyer's Book, Acoustics and the Performance of Music or the papers that preceded. In doing room measurements with a violin as a source radiator (for realistic directivity response) I had most luck using a shaker on the bridge of the violin and using a sweep. At the time I was using TEF but any chirp and deconvolution method should work well. I had trouble using MLS as a stimulus. A brief writeup of my methods can be found in the prodeedings from the ASA Sabine centennial. Good Luck, David Prince >Hi, >I want to estimate the frequency response of a violin and guitar body, so >that I can examine the excitation spectrum. The only method I have at my >disposal is that of recording the body response to an impulse, >i.e. tapping >it. I would greatly appreciate any advice on optimising this estimate. > >Thanks, >Sean.


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Electrical Engineering Dept., Columbia University