edwardyoon

	private static float getDuration(File file) throws Exception {
		AudioInputStream audioInputStream = AudioSystem.getAudioInputStream(file);
		AudioFormat format = audioInputStream.getFormat();
		long audioFileLength = file.length();
		int frameSize = format.getFrameSize();
		float frameRate = format.getFrameRate();
		float durationInSeconds = (audioFileLength / (frameSize * frameRate));
		return (durationInSeconds);
	}

edwardyoon

import numpy as np

class MF():

    def __init__(self, R, K, alpha, beta, iterations):
        """
        Perform matrix factorization to predict empty
        entries in a matrix.

        Arguments