Duplicate songs detector via audio fingerprinting

/*
 * BSD Licence:
 * Copyright (c) 2001, 2002 Ben Houston [ ben@exocortex.org ]
 * Exocortex Technologies [ www.exocortex.org ]
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without 
 * modification, are permitted provided that the following conditions are met:
 *
 * 1. Redistributions of source code must retain the above copyright notice, 
 * this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright 
 * notice, this list of conditions and the following disclaimer in the 
 * documentation and/or other materials provided with the distribution.
 * 3. Neither the name of the <ORGANIZATION> nor the names of its contributors
 * may be used to endorse or promote products derived from this software
 * without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR
 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
 * DAMAGE.
 */


namespace SoundfingerprintingLib.Fingerprinting.FFT
{
    // Comments? Questions? Bugs? Tell Ben Houston at ben@exocortex.org
    // Version: May 4, 2002

    /// <summary>
    /// <p>The direction of the fourier transform.</p>
    /// </summary>
    public enum FourierDirection : int
    {
        /// <summary>
        /// Forward direction.  Usually in reference to moving from temporal
        /// representation to frequency representation
        /// </summary>
        Forward = 1,
        /// <summary>
        /// Backward direction. Usually in reference to moving from frequency
        /// representation to temporal representation
        /// </summary>
        Backward = -1,
    }
}