jass.patches
Class LowPassComb

java.lang.Object
  jass.engine.Out
      jass.engine.InOut
          jass.patches.LowPassComb

All Implemented Interfaces:

Sink, Source

public class LowPassComb
extends InOut

Delay line with a one pole low-pass. Used in Moorers reverb. See e.g.

Author:

Kees van den Doel (kvdoel@cs.ubc.ca)

Field Summary

protected float	del
protected Delay	delay
protected float	g
protected OnePoleLowPass	lowpass
protected Mixer	mixer
protected float	R
protected float	srate

Fields inherited from class jass.engine.InOut

sourceContainer, sourcePassivity, srcBuffers

Fields inherited from class jass.engine.Out

buf, bufferSize, bufOld, lock

Constructor Summary

LowPassComb(int bufferSize)
Create.

LowPassComb(int bufferSize, float srate)
Create.

Method Summary

java.lang.Object	addSource(Source s) Add source to Sink.
protected void	computeBuffer() Compute the next buffer and store in member float[] buf.
protected void	init() Init and allocate.
void	setG(float g) Set low-pass parameter g.
void	setL(float del) Set delay del.
void	setR(float R) Set feedback R.

Methods inherited from class jass.engine.InOut

addSource, getBuffer, getSources, removeSource, resetTime

Methods inherited from class jass.engine.Out

clearBuffer, copyToOld, getBuffer, getBufferSize, getTime, peekAtBuffer, setBufferSize, setTime, setTimeAndNotify

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

srate

protected float srate

R

protected float R

g

protected float g

del

protected float del

mixer

protected Mixer mixer

delay

protected Delay delay

lowpass

protected OnePoleLowPass lowpass

Constructor Detail

LowPassComb

public LowPassComb(int bufferSize)

Create. For derived classes.

Parameters:

bufferSize - Buffer size used for real-time rendering.

LowPassComb

public LowPassComb(int bufferSize,
                   float srate)

Create. For derived classes.

Parameters:

bufferSize - Buffer size used for real-time rendering.

srate - sampling rate in Hz

Method Detail

init

protected void init()

Init and allocate.

addSource

public java.lang.Object addSource(Source s)
                           throws SinkIsFullException

Add source to Sink. Override to allow one input only and add to mixer

Specified by:

addSource in interface Sink

Overrides:

addSource in class InOut

Parameters:

s - Source to add.

Returns:

object representing Source in Sink (may be null).

Throws:

SinkIsFullException

setL

public void setL(float del)
          throws java.lang.IllegalArgumentException

Set delay del. (=L/srate)

Parameters:

del - delay in seconds

Throws:

java.lang.IllegalArgumentException

setR

public void setR(float R)

Set feedback R.

Parameters:

R - feedback

setG

public void setG(float g)

Set low-pass parameter g.

Parameters:

g - low-pass parameter g.

computeBuffer

protected void computeBuffer()

Compute the next buffer and store in member float[] buf.

Specified by:

computeBuffer in class Out