import net.beadsproject.beads.events.*; import net.beadsproject.beads.data.*; import net.beadsproject.beads.ugens.*; import net.beadsproject.beads.analysis.segmenters.*; import net.beadsproject.beads.analysis.featureextractors.*; import net.beadsproject.beads.analysis.*; import net.beadsproject.beads.data.buffers.*; import net.beadsproject.beads.core.*; void setup() { AudioContext ac = new AudioContext(); /* * This is an Envelope. It can be used to modify * the behaviour of other UGen object. We need to * do this to get precise control of certain parameters * at an audio rate. */ Envelope freqEnv = new Envelope(ac, 500f); /* * This is a WavePlayer. Here we've set it up using * the above Envelope, and a SineBuffer. We'll use * the Envelope to modify the freqency below. */ WavePlayer wp = new WavePlayer(ac, freqEnv, new SineBuffer().getDefault()); /* * So now that the WavePlayer is set up with the * frequency Envelope, do stuff with the frequency * envelope. This command tells the Envelope to change * to 1000 in 1 second. Note that when we made the Envelope * it was set to 500, so the transition goes from 500 to * 1000. These control the frequency of the WavePlayer * in Hz. */ freqEnv.addSegment(1000f, 1000f); /* * Connect it all together as before. */ Gain g = new Gain(ac, 1, 0.1f); g.addInput(wp); ac.out.addInput(g); ac.start(); } void draw() { }