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Diffstat (limited to 'tests/com/jsyn/examples/FFTPassthrough.java')
-rw-r--r-- | tests/com/jsyn/examples/FFTPassthrough.java | 100 |
1 files changed, 0 insertions, 100 deletions
diff --git a/tests/com/jsyn/examples/FFTPassthrough.java b/tests/com/jsyn/examples/FFTPassthrough.java deleted file mode 100644 index 1a1a7c5..0000000 --- a/tests/com/jsyn/examples/FFTPassthrough.java +++ /dev/null @@ -1,100 +0,0 @@ -/* - * Copyright 2010 Phil Burk, Mobileer Inc - * - * 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.jsyn.examples; - -import com.jsyn.JSyn; -import com.jsyn.Synthesizer; -import com.jsyn.unitgen.LineOut; -import com.jsyn.unitgen.PassThrough; -import com.jsyn.unitgen.SineOscillator; -import com.jsyn.unitgen.SpectralFFT; -import com.jsyn.unitgen.SpectralIFFT; -import com.jsyn.unitgen.UnitOscillator; - -/** - * Play a sine sweep through an FFT/IFFT pair. - * - * @author Phil Burk (C) 2010 Mobileer Inc - */ -public class FFTPassthrough { - private Synthesizer synth; - private PassThrough center; - private UnitOscillator osc; - private UnitOscillator lfo; - private SpectralFFT fft; - private SpectralIFFT ifft1; - private LineOut lineOut; - private SpectralIFFT ifft2; - - private void test() { - // Create a context for the synthesizer. - synth = JSyn.createSynthesizer(); - - // Start synthesizer using default stereo output at 44100 Hz. - synth.start(); - - // Add a tone generator. - synth.add(center = new PassThrough()); - // synth.add( osc = new SawtoothOscillatorBL() ); - synth.add(osc = new SineOscillator()); - synth.add(lfo = new SineOscillator()); - synth.add(fft = new SpectralFFT()); - synth.add(ifft1 = new SpectralIFFT()); - synth.add(ifft2 = new SpectralIFFT()); - // Add a stereo audio output unit. - synth.add(lineOut = new LineOut()); - - // Connect the oscillator to both channels of the output. - center.output.connect(osc.frequency); - lfo.output.connect(osc.frequency); - osc.output.connect(fft.input); - fft.output.connect(ifft1.input); - fft.output.connect(ifft2.input); - ifft1.output.connect(0, lineOut.input, 0); - ifft2.output.connect(0, lineOut.input, 1); - - // Set the frequency and amplitude for the modulated sine wave. - center.input.set(600.0); - lfo.frequency.set(0.2); - lfo.amplitude.set(400.0); - osc.amplitude.set(0.6); - - // We only need to start the LineOut. It will pull data through the - // chain. - lineOut.start(); - - System.out.println("You should now be hearing a clean oscillator on the left channel,"); - System.out.println("and the FFT->IFFT processed signal on the right channel."); - - // Sleep while the sound is generated in the background. - try { - double time = synth.getCurrentTime(); - // Sleep for a few seconds. - synth.sleepUntil(time + 20.0); - } catch (InterruptedException e) { - e.printStackTrace(); - } - - System.out.println("Stop playing. -------------------"); - // Stop everything. - synth.stop(); - } - - public static void main(String[] args) { - new FFTPassthrough().test(); - } -} |