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 What is Frequency?

When drawing a sound wave at any frequency, like with any wave there is a peak and a valley which vary in distance from each other. Sound sources vibrate at different rates or frequencies as they move through the air.

frequency

We measure frequency in cycles per second or Hertz. This is named after Heinrich Rudolf Hertz (February 22, 1857 – January 1, 1894) who was a German physicist who was the first to satisfactorily demonstrate the existence of electromagnetic waves by building an apparatus to produce and detect VHF or UHF radio waves.

The faster an object vibrates the higher the frequency and thus higher the pitch of the sound. a common example is a tuning fork for A above middle C will vibrate at 440 times per second and so has a frequency of 440 Hertz.

 

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  1. What is amplitude? | London Sound Recordist - Matt Price - [...] through the air and it will sound louder than if it is struck gently. Sound waves with the same frequency…

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Matt Price

Matt Price

London Sound Recordist

I am a London Sound Recordist and Sound Editor for many types of projects around the film genres. This covers creative content right through to feature films. I am passionate about sharing my journey and knowledge to help the rest of the community. If you need anything from me, feel free to get in touch with me at London Sound Recordist.

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