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Artifact providing audio provessing functionality such as generating sine waves or writing raw audio samples to WAV files.

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// /////////////////////////////////////////////////////////////////////////////
// REFCODES.ORG
// /////////////////////////////////////////////////////////////////////////////
// This code is copyright (c) by Siegfried Steiner, Munich, Germany, distributed
// on an "AS IS" BASIS WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, and licen-
// sed under the following (see "http://en.wikipedia.org/wiki/Multi-licensing")
// licenses:
// -----------------------------------------------------------------------------
// GNU General Public License, v3.0 ("http://www.gnu.org/licenses/gpl-3.0.html")
// -----------------------------------------------------------------------------
// Apache License, v2.0 ("http://www.apache.org/licenses/TEXT-2.0")
// -----------------------------------------------------------------------------
// Please contact the copyright holding author(s) of the software artifacts in
// question for licensing issues not being covered by the above listed licenses,
// also regarding commercial licensing models or regarding the compatibility
// with other open source licenses.
// /////////////////////////////////////////////////////////////////////////////

package org.refcodes.audio;

import java.io.IOException;

/**
 * The {@link SoundSampleReader} reads sound samples from a stream or a file.
 */
public interface SoundSampleReader extends SampleReader {

	/**
	 * Reads the next samples, one sample for each channel. Provide one sample
	 * for mono audio, two samples for stereo audio and so on. In case you
	 * provide more or less samples than channels being supported by the writer,
	 * then it is up to the writer whether to duplicate the samples or calculate
	 * an average or the like.
	 *
	 * @return The samples, one for each channel.
	 * 
	 * @throws IOException thrown in case there was an I/O related problem.
	 */
	double[] nextSampleData() throws IOException;
}