Shimmerstep: Difference between revisions
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[[Zhea Erose]] considers [[31edo]] and [[34edo]] to be special for having an interval in this range: | [[Zhea Erose]] considers [[31edo]] and [[34edo]] to be special for having an interval in this range: | ||
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re: the hyperstep stuff:<blockquote> Analysis of phonograph recordings of virtuoso string performers (Reger, 1932; Hollinshead, 1932) found rates ranging from 5.6 to 7 Hz (see Table 1). This research concluded that although the extent of the violin vibrato is smaller than for singing, the rates are similar. Cheslock (1931) and Small (1937) analyzed phonograph recordings of performances by Kreisler, Menuhin, Szigeti and others. Vibrato was present in almost all tones, and the mean rate was around 6.3 Hz. Results from the Iowa studies have been largely confirmed in later studies, for example, Fletcher and Sanders (1967) found vibrato rates about 6 Hz, only slightly slower than some of the early reports. Thibeault (1997) studied solo bassists and found rates ranging from 5 to 7 Hz and reported a correlation of vibrato rate with tempo of excerpts, but not with pitch register. Geringer and Allen (2004) studied vibrato characteristics of 40 high school and college violinists and cellists. We analyzed whole notes performed in first position, and we found somewhat slower rates of vibrato, 5.5 Hz.</blockquote>When we study voices in multiple singing styles and cross culturally we see the average beat rate of vibrato falls between 4.5–6.5 cycles per second. At a C4, the 31edo shimmerstep (1\31) beats at 5.75 times a second which is a clear center of human vibrato rates. Of course the perceived beat rate will change depending on the fundamental but if we take C4 as a nice "center" we see: | re: the hyperstep stuff:<blockquote> Analysis of phonograph recordings of virtuoso string performers (Reger, 1932; Hollinshead, 1932) found rates ranging from 5.6 to 7 Hz (see Table 1). This research concluded that although the extent of the violin vibrato is smaller than for singing, the rates are similar. Cheslock (1931) and Small (1937) analyzed phonograph recordings of performances by Kreisler, Menuhin, Szigeti and others. Vibrato was present in almost all tones, and the mean rate was around 6.3 Hz. Results from the Iowa studies have been largely confirmed in later studies, for example, Fletcher and Sanders (1967) found vibrato rates about 6 Hz, only slightly slower than some of the early reports. Thibeault (1997) studied solo bassists and found rates ranging from 5 to 7 Hz and reported a correlation of vibrato rate with tempo of excerpts, but not with pitch register. Geringer and Allen (2004) studied vibrato characteristics of 40 high school and college violinists and cellists. We analyzed whole notes performed in first position, and we found somewhat slower rates of vibrato, 5.5 Hz.</blockquote>When we study voices in multiple singing styles and cross culturally we see the average beat rate of vibrato falls between 4.5–6.5 cycles per second. At a C4, the 31edo shimmerstep (1\31) beats at 5.75 times a second which is a clear center of human vibrato rates. Of course the perceived beat rate will change depending on the fundamental but if we take C4 as a nice "center" we see: | ||