That is all there is to doing decibel math. Some try to think here… resist the urge… this is a math trick, just follow the rules and everything will be fine. Don’t ask questions… don’t try to understand – just flat out memorize these! Just memorize this – no need to try to understand it – just memorize this. Just remember decibel on the left, and normal on the right.
That is all, nothing more to rule number one. Just simple math, adding, subtracting, multiplying and dividing – things you can do in your head.īut you have to follow the rules – that’s it, just follow the rules outlined below, and you too can be a whiz at decibel math! Rule #1Īnd the right side is the normal math side. And no, we aren’t going to be using any logarithmic function. These are the fixed, and immovable rules for all dB math functions. In doing decibel math – all you have to do is remember two rules. If you could do the easy math questions above, you have the math skills necessary to learn decibel math! First – the Rules I’m sure you can all pass the “Pre-Test” below. Perhaps the only thing worse would have been if we used Sine and Cosine formulas…Īnd yet – the actual process of doing decibel math isn’t difficult at all. This is what brings back all the anxious thoughts – seeing logarithms again. Most start teaching dB math with a formula of the actual decibel math, something like this.
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