diff examples/sound/sampled/Spectro.java @ 0:bf79fb79ee13

Initial Mercurial check in.

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/examples/sound/sampled/Spectro.java	Tue Jan 17 17:50:20 2012 +0000
@@ -0,0 +1,55 @@
+import samer.core.*;
+import samer.tools.*;
+import samer.maths.*;
+import samer.audio.*;
+import samer.units.*;
+import samer.functions.*;
+import samer.models.*;
+
+
+public class Spectro {
+	public static void main(String [] args) throws Exception {
+		new samer.core.shells.SwingShell();
+
+		CompoundTask	tasks=new CompoundTask();
+		RThread 			thread=new RThread(tasks);
+		AudioSource		source=new FileSource();
+		LineIn				linein=new LineIn(source,1024,512);
+		Scaler				scaler=new Scaler(linein.output());
+		IIDPrior			prior=new IIDPrior(scaler.output(),new Abs());
+		FFTVector		fft=new FFTVector(scaler.output());
+		VVector			y=new VVector("ft-magnitude",fft.size()/2);
+
+		scaler.setOutputModel(prior);		
+		tasks.addTask(linein);
+		tasks.addTask(scaler);
+		tasks.addTask(prior);
+		tasks.addTask(new BatchedTrainer(scaler.getTrainer(),4));
+		tasks.addTask(fft.calcTask());
+		tasks.addTask(fft.getFnPower(new Sqrt(),y));
+
+		/*  this shows how to put some defaults in the environment
+			they will affect any trace viewers for the ft-magnitude vector */
+		Shell.push(y.getNode());
+		Shell.put("trace.map.log","true");
+		Shell.put("trace.map.maxmimum",new Double(10));
+		Shell.put("trace.map.minimum",new Double(0.01));
+		Shell.pop();
+
+		y.getAgent().execute("trace",Shell.env());
+
+		{
+			Object [] commands = { "expose", "exit" };
+
+			Shell.interpret("expose");
+			Shell.exposeCommands(commands);
+			Shell.exposeCommands(thread);
+		}
+	}
+
+	public static void lineout() {
+		Shell.put("audio.scale",new Integer(1));
+		Shell.put("audio.rate",new Integer(22050));
+		// could create LineOut object to play stuff coming from linein
+	}
+}