7 The transposition process can also be viewed in different videos on the web (YouTube). The transposition of music from 440 Hz to 432 Hz is obtained by imperceptibly slowing down (by 32 hundredths of a tone) the execution of a song originally tuned at 440 Hz, using music editing software. Furthermore, on the web (YouTube) there are music tracks that have been transposed to 432 Hz from their original 440 Hz tuning. The 432 Hz tuning is sometimes used in the New Age genre (meditation music) 4 and by some musicians. So, nowadays, all the music we generally listen to is tuned to the 440 Hz frequency. 4 This frequency value was established in the 1950s 5 and confirmed in 1975 as the standard tuning for music worldwide. The current reference frequency for tuning musical instruments is 440 Hz, which corresponds to the musical note A4 (LA3) in the central octave of the piano. Specifically, the frequency values determine the tonality and influence the timbre of the sounds. The Hz express the cycles per second (1 Hz = 1 cycle per second). 1, 2įrom the point of view of physics, music is made up of sounds that are generated by waveforms whose frequency is expressed in Hertz (Hz). The whole history of human civilization shows evidence of connections between music and physical and mental healing. Music has always been perceived as having special healing powers in people.
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