Tag Archive: microphone

May 06

How Do I Convert To Decibels?

Much confusion revolves around linear and non-linear numbers. The following outlines the mathematical process to convert from a number expressed in dB to a linear quantity. How do we convert to decibels and back again?

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Jul 16

What is Source Contribution Analysis (or SCA)?

Some example results from SCA

How do you measure the causes of a noise or vibration with respect to several sources? Which source is causing what part of the response? For example, how does the noise inside the cabin of a vehicle relate to the engine noise or wheel hub noise and vibration?

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[Video] How To Calibrate Microphones & Accelerometers

Here are two videos on a relatively simple, but sometimes misunderstood procedure – how to calibrate microphones & accelerometers (more…)