generate Beep Audio Sound - Android Media

Android examples for Media:Sound

  1. HOME
  2. Android
  3. Media
  4. Sound

Description

generate Beep Audio Sound

Demo Code

/*/*  w w w. j av a  2s .c om*/
 * Copyright {2014} {Matsuda Jumpei}
 * 
 * Licensed under the Apache License, Version 2.0 (the "License"); you may not
 * use this file except in compliance with the License. You may obtain a copy of
 * the License at
 * 
 * http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
 * License for the specific language governing permissions and limitations under
 * the License.
 */
//package com.java2s;

public class Main {
    private static byte generateBeep(int step, float freq, int samplingRate) {
        double phase = calcPhase(step, freq, samplingRate);
        return (byte) (128 * (Math.sin(phase) + Math.sin(2 * phase)));
    }

    private static double calcPhase(int step, float freq, int samplingRate) {
        return Math.PI * step * freq / samplingRate;
    }
}

Related Tutorials