Hi, Tartini is credited as discovering resultant tones. They can be summation or different tones. I.E. 150 and 50 will result in a 200 and a 100 hertz resultant. http://www.malaspina.com/site/person_1103.asp At 07:27 PM 5/15/2003 EDT, you wrote: > >In a message dated 5/15/03 5:03:11 PM, Richard.Brekne@grieg.uib.no writes: > >>I believe the phenomena is called difference tones > >Supposedly Mozart was aware of this phenomenon and used it in his >compositions to fill out the sound in certain circumstances. > Regards, Don Rose, B.Mus., A.M.U.S., A.MUS., R.P.T. mailto:pianotuna@accesscomm.ca http://us.geocities.com/drpt1948/ 3004 Grant Rd. REGINA, SK S4S 5G7 306-352-3620 or 1-888-29t-uner
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