C# standard microphone decibels

double sum = 0;
for (var i = 0; i < _buffer.length; i = i + 2)
{
    double sample = BitConverter.ToInt16(_buffer, i) / 32768.0;
    sum += (sample * sample);
}
double rms = Math.Sqrt(sum / (_buffer.length / 2));
var decibel = 20 * Math.Log10(rms);

Source: coderedirect.com

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