Java Float Array to Int floatArrayTo16bitPCM(float[] raw)

Description

float Array Tobit PCM

License

Open Source License

Declaration

public static byte[] floatArrayTo16bitPCM(float[] raw) 

Method Source Code

//package com.java2s;
/*//from  w  w w . java  2 s .  c  o  m
 *   __               .__       .__  ._____.           
 * _/  |_  _______  __|__| ____ |  | |__\_ |__   ______
 * \   __\/  _ \  \/  /  |/ ___\|  | |  || __ \ /  ___/
 *  |  | (  <_> >    <|  \  \___|  |_|  || \_\ \\___ \ 
 *  |__|  \____/__/\_ \__|\___  >____/__||___  /____  >
 *                   \/       \/             \/     \/ 
 *
 * Copyright (c) 2006-2011 Karsten Schmidt
 * 
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 * 
 * http://creativecommons.org/licenses/LGPL/2.1/
 * 
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 * 
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
 */

public class Main {
    public static byte[] floatArrayTo16bitPCM(float[] raw) {
        byte[] sample = new byte[raw.length * 2];
        for (int i = 0, j = 0; i < raw.length; i++) {
            int pcm = (int) (raw[i] * 0x8000);
            sample[j++] = (byte) (pcm & 0xff);
            sample[j++] = (byte) (pcm >> 8 & 0xff);
        }
        return sample;
    }
}

Related

1. ArrayFloat2Int(float[] a)
2. floatArray2String(float[] array)
3. floatArray2String(float[] xs)