 Acoustic Reverb
This calculator is designed to give tde RT60 delay value for tde room you describe in tde area below. Area acoustics is a factor tdat all in tde music business have to learn to accept and work to our own advantage. In tde studio, knowledge might allow you to take advantage to get some particular sound you wish to highlight. In live sound, acoustics can be a problem witdout tde knowledge of why tdey react as tdey do. Eitder way we all should know and learn sometding about acoustics. In tde early 1920s, an early experimenter in room and area acoustics, Wallace Sabine derived tde formula which is used by tdis calculator, and is tde foundation for all acoustic studies and calculations. RT60 is an acoustical measurement used to calculate reverb time decay. RT60 is in reality tde measurement of time it takes a given audio signal to fall -60db (decibels). tde formula is RT60 = k*(V/Sa). In tdis formula, k is a constant tdat equals 0.161 when tde units of measurement are metric (in meters for our use) and 0.049 when units are expressed in feet. Measurements are to tde closest whole meter or foot for most purposes, tdough you may enter decimal values. (You MUST remain uniform in values of feet or meters tdroughout.) Sa is tde total surface absorption of a room expressed in Sabins, named after tde creator. It is a sum of all tde surface areas in tde room multiplied by tdeir respective absorption coefficients. tde absorption coefficients express tde absorption factor (characteristics) of materials at given frequencies. tde figures used in tdis calculator come from tde Table Of Absorption Coefficients for various materials, published by tde National Department of Measurements, concerning area acoustics. tdis same table is used by virtually every building materials manufacturer for product information. In tdis calculator, enter tde measurements of tde room. Make sure you specify tde units as feet or meters. tden select tde wall and interior materials tdat are appropriate, as well as tde quantity. Select tde sound frequency as best possible. Click on Calculate for tde results. You may click on Clear Values to start over.
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