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Ohm's acoustic law

Law according to which a sound is perceived by the ear as a number of pure harmonic tones

Summary

Law according to which a sound is perceived by the ear as a number of pure harmonic tones

Ohm's acoustic law, sometimes called the acoustic phase law or simply Ohm's law, states that a musical sound is perceived by the ear as a set of a number of constituent pure harmonic tones.

The law was proposed by physicist Georg Ohm in 1843. Hermann von Helmholtz elaborated the law into what is often today known as Ohm's acoustic law, by adding that the quality of a tone depends solely on the number and relative strength of its partial simple tones, and not on their relative phases. Helmholtz championed the law in opposition to contrary evidence expounded by August Seebeck.

The law has also been interpreted as "a pitch corresponding to a certain frequency can only be heard if the acoustical wave contains power at that frequency."

These laws are true to the extent that the ear is sensitive to the frequency and amplitude of the acoustic waves, and further, is able to resolve the differences in their frequency. In modern times, the sensitivity of human hearing to the phase of tone components has been extensively investigated. Controversy has led to this characterization:

References

References

  1. Ohm's law, ''n''.2, ''[[Oxford English Dictionary]]'', 2nd ed.
  2. (1912). "A Text-book of Physics". P. Blakiston's Son & Co.
  3. Ohm, G., ''Annalen der Physik'' (1843) 59 513
  4. Dayton Clarence Miller. (1916). "The Science of Musical Sounds". The Macmillan Company.
  5. Charles Lightfoot Barnes. (1897). "Lessons in Elementary Practical Physics, Vol. III, Part 1: Practical Acoustics". London: Macmillan and Co. Ltd.
  6. Joseph Peterson. (1908). "Combination Tones and Other Related Auditory Phenomena". University of Chicago.
  7. David M. Howard, Jamie A. S. Angus. (2006). "Acoustics and psychoacoustics". Focal Press.
  8. John Borwick. (2001). "Loudspeaker and Headphone Handbook". Focal Press.
  9. W. Dixon Ward. (1970). "Foundations of Modern Auditory Theory". Academic Press.
Wikipedia Source

This article was imported from Wikipedia and is available under the Creative Commons Attribution-ShareAlike 4.0 License. Content has been adapted to SurfDoc format. Original contributors can be found on the article history page.

hearing empirical-laws eponyms music-theory georg-ohm german-inventions 1843-in-science 1843-in-the-german-confederation
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