Greg wrote >Anyone using a Digital Decibel meter from Radio Shack for studies? > >Gregory Now that you mention it yes I did, long time ago, not a RdioShack Decibelmeter, but professional equipment used in audio engineering. We had problems with a place where they do live performances in Caracas, it is called Poliedro and it is a structure made originally for indoor sports like the Orange Bowl, but they also use it for big concerts, They have a German Steinway model D there and in 1982 there was a large program with several orchestras from out of Venezuela, there we had the New York Philharmonic Orchestra, and others. I was encharged of the piano, and the people studding the acoustics called me because between rainy days and dry days one of the things that changed was the piano, they took several measures, it is a pity I didnīt take note of everything at the moment. But I remember they got to isolate the piano to check its response and it really got duller with rise of humidity, I remember that not only the hammers had to do with it, because one of the tests consisted exchanging several hammers with a hard rubber hammer, and still the piano got duller. It seems to me that also the soundboard changed its characteristics, but its been a long time and nothing in paper. I remember that in the end the sound engineers agreed to take an overall sample before each concert and calibrate each time ( The trial was made with the purpose of determining in what basis they were going to charge the organizers) That is my comment Elian
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