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Scientific pitch, also known as philosophical pitch, Sauveur pitch or Verdi tuning, is an absolute concert pitch standard which is based on middle C (C 4) being set to 256 Hz rather than ~ 261.63 Hz, [a] making it ~ 31.77 cents lower than the common A440 pitch standard.
In 2014, Berg introduced Lovetuner in Malibu, California. [6] The Lovetuner is a small flute worn as a necklace and is calibrated to 528 Hz. [7] Berg created the Lovetuner to contribute to wellness practices and to offer a tool for meditation and mindfulness.
This is a list of the fundamental frequencies in hertz (cycles per second) of the keys of a modern 88-key standard or 108-key extended piano in twelve-tone equal temperament, with the 49th key, the fifth A (called A 4), tuned to 440 Hz (referred to as A440). [1] [2] Every octave is made of twelve steps called semitones.
Common name Frequencies Modulation Frequency range Notes longwave: 148.5–283.5 kHz amplitude modulation (AM) low frequency (LF) : Mostly used in Europe, North Africa, and Asia
The initial standard was A = 439 Hz ⓘ, but this was superseded by A = 440 Hz, possibly because 439 Hz was difficult to reproduce in a laboratory since 439 is a prime number. [22] In 1964, of 31 top professional U.S. orchestras, 19 were tuning at 440, the others at 441 or 442. [23]
A440 (also known as Stuttgart pitch [1]) is the musical pitch corresponding to an audio frequency of 440 Hz, which serves as a tuning standard for the musical note of A above middle C, or A 4 in scientific pitch notation.
Year 528 was a leap year starting on Saturday of the Julian calendar. At the time, it was known as the Year of the Consulship of Sabbatius without colleague (or, less frequently, year 1281 Ab urbe condita ).
For example, if a 530 Hz pure tone is presented to a subject's right ear, while a 520 Hz pure tone is presented to the subject's left ear, the listener will hear beating at a rate of 10 Hz, just as if the two tones were presented monaurally, but the beating will have an element of lateral motion as well.