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SoundTouch AS3

An ActionScript 3 port of the SoundTouch audio processing library.

SoundTouch AS3 allows realtime processing of audio in Flash 10. It includes filters that perform time compression/expansion and rate transposition. In tandem, these filters can perform pitch-shifting.

Usage

var source:Sound = …;
var output:Sound = new Sound();

var soundTouch:SoundTouch = new SoundTouch();
soundTouch.pitchSemitones = -6;

var filter:SimpleFilter = new SimpleFilter(sound, soundTouch);
output.addEventListener(SampleDataEvent.SAMPLE_DATA, filter.handleSampleData);

output.play();

For details on using the SoundTouch, Stretch, or RateTransposer classes, look in SimpleFilter and FilterSupport.

Roadmap

The original C++ library includes several features that have not yet been implemented in ActionScript, including a FIR filter, which can be used to prevent aliasing during rate transposition.

Support

For issues using SoundTouch AS3, open a ticket at the GitHub project, or contact [email protected].

License

SoundTouch AS3 audio processing library

Copyright © Olli Parviainen 2001-2009
Copyright © Ryan Berdeen 2009

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.

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 Street, Fifth Floor, Boston, MA 02110-1301 USA

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AS3 Port of the SoundTouch Sound Processing Library

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