Bernard, I suggest you write to Don Gilmore, who is developing a self-tuning piano. That way if your "patented" tuning becomes the standard for that piano you can really rake in the $... David I. ----- Original message ---------------------------------------- From: Bernhard Stopper <b98tu@t-online.de> To: Pianotech <pianotech@ptg.org> Received: Fri, 15 Apr 2005 06:27:51 +0100 Subject: Re: Was OnlyPure not P12ths Tunings >Me seems no one has read my post about the NEW approach exactly. >I DID NOT CLAIM PATENTING THE PURE TWELFTHS APPRAOCH OR THE PURE >12s IDEA. >ANYBODY CAN USE ONE OF THE EXISTING FREE STUFF THAT ALREADY EXIST >ON THE >MATTER >i did the patent filing for the new method i proposed with the pure 3-note >combinations of octaves an fifths, and there are four different combinations >of them, (an octave and a outer upper fifth, an octave and a outer lower >fifth, an octave and a inner upper fifth, and an octave and a inner lower >fifth) >in one Pure 12 there are six of this combinations who have those >2/1,1/1,3/1,2/3,3/2 beat ratios between each other, and 18 combinations >total that are used in the new approach to tune Pure12. >here again the text about the new OnlyPure method, for those jumping on the >thread later: >OnlyPure Tuning (Patent pend.) >A revolutionary method to tune and produce instruments allows a never heard >purity and clarity >The OnlyPure method relates to instruments based on 12 notes per octave and >nonlinear spectrum. (like piano, guitar, electronic instruments but also >orchestras etc) Within this method it is possible to tune the entire >instrument by using only pure intervals. For inharmonicity related >instruments, pure means the state, where the sum of the beats is minimal. >The theory behind the OnlyPure method is based upon the "Stopper-Tuning" >published in euro-piano 3/1988 by german master piano maker Bernhard >Stopper. A pure twelfth is divided into 19 steps in this tuning, the factor >is the 19th root of 3. >Bernhard Stopper has recently discovered, that only in this tuning solution, >all beat ratios of octaves and fifths are symmetric to the interval ratios, >that means they have also ratios of 1/1, 3/1, ~2/1 and ~3/2 and multiples >of >them like the interval ratios. >Beside the mathematical mysteries, this fact is responsible for the >phenomene, that in every three-note interval combination consisting of an >octave and a fifth, the beats are phased out to a pure state in the >stopper-tuning (there are six such three-note combinations in a perfect >twelfth who have all a pure state in the Stopper Tuning). >The new method works with the phenomen of the symmetric outphasing by >finding the tones through efficient temperament step combinations of pure >three-note combinations of octaves and fifths. >To the artist, the instrument becomes extremly clean, transparent and >powerful. The consequence for the aural tuner is, that he can be released by >the out-of-tune intervals and tune the entire instrument with only pure >intervals. That means much more plasure at work and much more precision of >the tuning. Although in practice, intervals like major thirds or sixths and >tenths etc. are still useful for control purposes. >It is not possible to reach this precision with the usual electronic tuning >devices or the usual two-note aural bearing plan techniques. Since the >devices >jugde the pitch and frequency in the frequency >domain, it is necessary, due to the Heisenberg uncertainity to analyze the >signal over a relative long time. Tuning those three-note octaves and fifths >combinations aural to pure state, aural pitch setting is as accurate as >tuning unisons aural, what defintitvely does not work with nowadays ETDs. >The ear has the possibility to analyze pitch and beats nearly in realtime. >Analogous to the function of the stereocilies and the hair cells of the >cochlea, producing time delayed neuronal signals, Bernhard Stopper >developped new electronic tuning devices for laptop and PDA. It is possible >to visualize the beats and find the pitch in quasi realtime. >There will be also consequences for the understanding of the musical theory >due the discovery of the fractal symmetry of the beat-relations to the >interval relations in the "stopper-tuning". Since due to the extension of >the tuning matter from two dimensions to three (and more) dimensions the >octaves/fifths problem dissappears, the mighty octave must be asked in >place. >The OnlyPure method is patent pending and registered as mark and will be >licensed to professional tuners and instrument makers which will benefit >from marketing this revolutionary tuning concept. >http://www.onlypure.info >_______________________________________________ >pianotech list info: https://www.moypiano.com/resources/#archives
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