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  2. Tuning fork - Wikipedia

    en.wikipedia.org/wiki/Tuning_fork

    A tuning fork is a fork-shaped acoustic resonator used in many applications to produce a fixed tone. The main reason for using the fork shape is that, unlike many other types of resonators, it produces a very pure tone , with most of the vibrational energy at the fundamental frequency .

  3. Weber test - Wikipedia

    en.wikipedia.org/wiki/Weber_test

    The Weber test is administered by holding a vibrating tuning fork on top of the patient's head. The Weber test is a screening test for hearing performed with a tuning fork. [1] [2] It can detect unilateral (one-sided) conductive hearing loss (middle ear hearing loss) and unilateral sensorineural hearing loss (inner ear hearing loss). [3]

  4. Electromagnetically induced acoustic noise - Wikipedia

    en.wikipedia.org/wiki/Electromagnetically...

    A prong of the tuning fork is wound with a coil fed by a variable frequency power supply. A variable flux density circulates between the two prongs and some dynamic magnetic forces appear between the two prongs at twice the supply frequency. When the exciting force frequency matches the fundamental mode of the tuning fork close to 400 Hz, a ...

  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. Rinne test - Wikipedia

    en.wikipedia.org/wiki/Rinne_test

    Placement of the tuning fork in front of the ear, to test air conduction. The Rinne test is performed by placing a 512 Hz vibrating tuning fork against the patient's mastoid bone and asking the patient to tell you when the sound is no longer heard. Once the patient signals they can't hear it, the still vibrating tuning fork is then placed 1–2 ...

  7. Sympathetic resonance - Wikipedia

    en.wikipedia.org/wiki/Sympathetic_resonance

    Sympathetic resonance has been applied to musical instruments from many cultures and time periods, and to string instruments in particular. In instruments with undamped strings (e.g. harps, guitars and kotos), strings will resonate at their fundamental or overtone frequencies when other nearby strings are sounded.

  8. Piano tuning - Wikipedia

    en.wikipedia.org/wiki/Piano_tuning

    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 in the "temperament" using tempered interval relationships. During tuning it is common to assess perfect fifths and fourths, major and minor thirds, and major and minor sixths ...

  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.