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Euler's Tonnetz. The Tonnetz originally appeared in Leonhard Euler's 1739 Tentamen novae theoriae musicae ex certissismis harmoniae principiis dilucide expositae.Euler's Tonnetz, pictured at left, shows the triadic relationships of the perfect fifth and the major third: at the top of the image is the note F, and to the left underneath is C (a perfect fifth above F), and to the right is A (a ...
Wilson template for mapping higher limit systems A lattice showing Erv Wilson's Eikosany structure. This template can be used with any 6 ratios. Erv Wilson has made significant headway with developing lattices than can represent higher limit harmonics, meaning more than 2 dimensions, while displaying them in 2 dimensions. Here is a template he ...
Paratonia can be assessed with rating scales during clinical examination. Paratonia scale is a semi-quantitative score to rate the amount of oppositional and facilitatory paratonia separately. [5] Kral modified procedure is a more objective semi-quantitative rating of upper limb facilitatory paratonia easily applicable while patients are seated ...
Tongue Pinchers had limited tone range and often cut the hunters' tongues and mouths. [3] Fred Allen was the first to sell his duck calls commercially and began advertisements in 1880. [4] David Fuller was the first to receive the patent for the goose call in 1885 and impacted the duck hunting world in 1903 with his combination goose/duck call.
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The Dorian octave species begins with this tetrachord, which is followed by a whole tone and another tetrachord to complete the octave with a pattern of ¼, ¼, 2, 1, ¼, ¼, and 2 tones. This pattern is rotated downward one degree for the Hypolydian , and one more for the Hypophrygian, for an octave species of 2, 1, ¼, ¼, 2, ¼, and ¼ tones.
A tone at the frequency of 4000 Hz is presented for 60 seconds at an intensity of 5 decibels above the patient's absolute threshold of hearing. If the patient stops hearing the tone before 60 seconds, the intensity level is increased by another 5 decibels with the procedure repeated until the tone can be heard for the full 60 seconds or until no decibel level can be found where the tone can be ...
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