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  2. Piano key frequencies - Wikipedia

    en.wikipedia.org/wiki/Piano_key_frequencies

    For other tuning schemes, refer to musical tuning. This list of frequencies is for a theoretically ideal piano. On an actual piano, the ratio between semitones is slightly larger, especially at the high and low ends, where string stiffness causes inharmonicity, i.e., the tendency for the harmonic makeup of each note to run sharp.

  3. Tuning fork - Wikipedia

    en.wikipedia.org/wiki/Tuning_fork

    Tuning fork by John Walker stamped with note (E) and frequency in hertz (659) A tuning fork is an acoustic resonator in the form of a two-pronged fork with the prongs formed from a U-shaped bar of elastic metal (usually steel).

  4. Piano tuning - Wikipedia

    en.wikipedia.org/wiki/Piano_tuning

    An A440 tuning fork A common method of tuning the piano begins with tuning all the notes in the "temperament" octave in the lower middle range of the piano, usually F3 to F4. A tuner starts by using an external reference, usually an A440 tuning fork , (or commonly a C523.23 tuning fork) to tune a beginning pitch, and then tunes the other notes ...

  5. Acoustic resonance - Wikipedia

    en.wikipedia.org/wiki/Acoustic_resonance

    Experiment using two tuning forks oscillating at the same frequency.One of the forks is being hit with a rubberized mallet. Although the first tuning fork hasn't been hit, the other fork is visibly excited due to the oscillation caused by the periodic change in the pressure and density of the air by hitting the other fork, creating an acoustic resonance between the forks.

  6. Concert pitch - Wikipedia

    en.wikipedia.org/wiki/Concert_pitch

    For example, a 1740 tuning fork associated with Handel is pitched at A = 422.5 Hz, ⓘ while a specimen from 1780 is pitched at A = 409 Hz, ⓘ about a quarter-tone lower. [4] A tuning fork that belonged to Ludwig van Beethoven around 1800, now in the British Library , is pitched at A = 455.4 Hz ⓘ , well over a half-tone higher.

  7. Sympathetic resonance - Wikipedia

    en.wikipedia.org/wiki/Sympathetic_resonance

    In similar fashion, strings will respond to the vibrations of a tuning fork when sufficient harmonic relations exist between them. The effect is most noticeable when the two bodies are tuned in unison or an octave apart (corresponding to the first and second harmonics , integer multiples of the inducing frequency), as there is the greatest ...

  8. File:Tuning fork oscillator frequency standard.jpg - Wikipedia

    en.wikipedia.org/wiki/File:Tuning_fork...

    File:Tuning fork oscillator frequency standard.jpg. Add languages. Page contents not supported in other languages. File; ... Printable version; Page information;

  9. John Shore (trumpeter) - Wikipedia

    en.wikipedia.org/wiki/John_Shore_(trumpeter)

    Over time, tuning forks were adapted for use in medical and therapeutic settings, where their precise frequencies have been harnessed for healing and therapeutic purposes. [ 3 ] Tuning forks are known for their nearly pure frequency response, emitting a clear, unwavering tone that is free from the complex overtones found in other instruments.

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