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Monkeys experience octave equivalence, and its biological basis apparently is an octave mapping of neurons in the auditory thalamus of the mammalian brain. [12] Studies have also shown the perception of octave equivalence in rats, [13] human infants, [14] and musicians [15] but not starlings, [16] 4–9-year-old children, [17] or non-musicians.
An octave band is a frequency band that spans one octave (Play ⓘ).In this context an octave can be a factor of 2 [1] [full citation needed] or a factor of 10 0.301. [2] [full citation needed] [3] [full citation needed] An octave of 1200 cents in musical pitch (a logarithmic unit) corresponds to a frequency ratio of 2 / 1 ≈ 10 0.301.
The octave below tenor C is called the "great" octave. Notes in it and are written as upper case letters. The next lower octave is named "contra". Notes in it include a prime symbol below the note's letter. Names of subsequent lower octaves are preceded with "sub". Notes in each include an additional prime symbol below the note's letter.
The bass flute is an octave lower than the concert flute, and the contrabass flute is an octave lower than the bass flute. Less commonly seen flutes include the treble flute in G, pitched one octave higher than the alto flute; soprano flute, between the treble and concert; and tenor flute or flûte d'amour in B ♭ , A or A ♭ [ citation ...
A 7/8 size (140 mm (5.5 in) octave span) keyboard was developed by Canadian Christopher Donison in the 1970s. This size, along with the 15/16 size (152 mm (6.0 in) octave span) and a smaller size (130 mm (5.1 in) octave span) have since been developed and marketed by Steinbuhler & Company in Pennsylvania.
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An overhead view of a 3 octave vibraphone with different mallets of varying hardness. Vibraphone mallets usually consist of a rubber ball core wrapped in yarn or cord and attached to a narrow dowel, most commonly made of rattan or birch and sometimes of fiberglass or nylon.
Goss was the esteemed editor of the 25th edition of the seminal classic Gray’s Anatomy. Internationally lauded as the authority on all things anatomical, Gray’s Anatomy had been considered essential for any would-be physician to own since it was first published in London in 1858. It was written by Dr. Henry Gray and illustrated by Henry ...