Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;

public class Main {
    public static double getRMSAverage(byte[] audioData) {
        int sum = 0;
        // look at every other value (odd indexed value)
        for (int i = 1; i < audioData.length; i += 2) {
            // 1. square each sample, sum the squared sample
            sum += audioData[i] * audioData[i];
        }
        // 2. divide the sum by the number of samples
        // 3. take the square root of step 2 (ROOT-MEAN-SQUARED RMS value)
        return Math.sqrt(sum / (double) (audioData.length / 2));
    }
}