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In Reply to: From Pianos to Amps posted by mfc on May 09, 2003 at 19:59:42:
Compressive third harmonic is when the 3 rd harmonic is phased to REDUCE the amplitude of the top of the sine wave. This is the normal third harmonic generated by analog tape compression, etc. Expansive third can actually cancel compressive 3'rd, so it is interesting for this reason. It is more difficult to generate. Thanks for the input on the piano, and good reading of that 2/3 of a century old book that I recommended. I think that you will like it.
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Follow Ups:
Hi,I received the book from Amazon. That is one of the first "physics
of music" type books worth getting...and its less than $10 :)They even had subjectivist/objectivist debates back then. Page 181
discusses whether a tune played in the key of C major sounds any
brighter when played in the key of G. Great discussion! Lots of
them in this book.
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