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Math in Sound and Lighting Design

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by

Sean Woods

on 11 June 2014

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Transcript of Math in Sound and Lighting Design

Math in Sound and Lighting Design

Frequency
Frequency is the number of occurrences of a repeating event per unit time. Frequency can be manipulated to find a perfect pitch, and can be indicated in the equation: L(t)=k=2020,000aksin(k*2t). The numbers ak are called the amplitudes for frequency k. It is easy to find the values of akusing integrals: ak=01sin(k*2t)L(t)dt.
EQ
Math plays a great deal in manipulating frequencies in an effort to equalize(or EQ) a noise in an effort to get close to the perfect sine wave.
Studio Producing
Studio sound engineers process music for every song ever heard that was recorded. From raising volume gain to manipulating frequency ranges, sound engineers manipulate sine waves to make them as perfect as possible. They use sine waves very often to view a recording and edit it.

Math and Theatre
Both sound design and lighting design are some of the most critical aspects of live performance. Both of these aspects require a great deal of geometry and trigonometry in order to be deemed effective and successful.
How Math ties in to Lighting
Many factors of lighting tie into mathematics, specifically trigonometry. One of the most important concepts of lighting is the throw of a light. The throw of a stage light is the measurement from the light to the stage, and how big of a pool of light it produces. The width of a beam of light needs to be calculated exactly correct. This is how you know how many lights you need to cover the stage.
Sean Woods. Period 2
a perfect sine wave can only be created in a sound lab
Live Sound Design
Not only does the angle of speakers to direct sound waves come into play, but one of the most critical aspects of live audio performance is the structure and design of the venue or room. Sound waves travel through the air at different angles from the original sound source.Sound Engineers use trigonometry to figure out the angles of the sound waves and how to design a room or hall so that the waves bounce to the listener in a balanced and direct manner.
Stage Lighting
Stage lighting is one of the most important parts of theater and it can mean the difference between a dull show or one that is vibrant and alive. With a few lighting changes, a new world can be created for both performers and audience members alike. Stage lighting is as precise as sound engineering is exposed.
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