com.jsyn.unitgen

Class EnvelopeAttackDecay

java.lang.Object

com.jsyn.unitgen.UnitGenerator

com.jsyn.unitgen.UnitGate

com.jsyn.unitgen.EnvelopeAttackDecay

All Implemented Interfaces:

UnitSource

public class EnvelopeAttackDecay
extends UnitGate

Two stage Attack/Decay envelope that is triggered by an input level greater than THRESHOLD. This does not sustain.

Author:

Phil Burk (C) 2011 Mobileer Inc

Field Summary

Fields

Modifier and Type	Field and Description
UnitInputPort	amplitude
UnitInputPort	attack Time in seconds for the rising stage of the envelope to go from 0.0 to 1.0.
UnitInputPort	decay Time in seconds for the falling stage to go from 0 dB to -90 dB.
static double	THRESHOLD

Fields inherited from class com.jsyn.unitgen.UnitGate

input, output

Fields inherited from class com.jsyn.unitgen.UnitGenerator

FALSE, PORT_NAME_AMPLITUDE, PORT_NAME_CUTOFF, PORT_NAME_FREQUENCY, PORT_NAME_FREQUENCY_SCALER, PORT_NAME_INPUT, PORT_NAME_OUTPUT, PORT_NAME_PAN, PORT_NAME_PHASE, PORT_NAME_PRESSURE, PORT_NAME_TIMBRE, PORT_NAME_TIME, synthesisEngine, TRUE, VERY_SMALL_FLOAT

Constructor Summary

Constructors

Constructor and Description
EnvelopeAttackDecay()

Method Summary

Modifier and Type	Method and Description
void	export(Circuit circuit, java.lang.String prefix)
void	generate(int start, int limit) Perform essential synthesis function.

Methods inherited from class com.jsyn.unitgen.UnitGate

getOutput, setupAutoDisable

Methods inherited from class com.jsyn.unitgen.UnitGenerator

addPort, addPort, autoStop, convertHalfLifeToMultiplier, convertTimeToRate, flattenOutputs, generate, getCircuit, getFramePeriod, getFrameRate, getId, getPortByName, getPorts, getSynthesisEngine, getSynthesizer, getTopUnit, getUnitGenerator, incrementWrapPhase, isEnabled, isStartRequired, printConnections, printConnections, printConnections, pullData, setCircuit, setEnabled, setFrameRate, setPort, setSynthesisEngine, start, start, start, stop, stop, stop

Methods inherited from class java.lang.Object

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

Methods inherited from interface com.jsyn.unitgen.UnitSource

getUnitGenerator

Field Detail

THRESHOLD

public static final double THRESHOLD

See Also:

Constant Field Values

attack

public UnitInputPort attack

Time in seconds for the rising stage of the envelope to go from 0.0 to 1.0. The attack is a linear ramp.

decay

public UnitInputPort decay

Time in seconds for the falling stage to go from 0 dB to -90 dB.

amplitude

public UnitInputPort amplitude

Constructor Detail

EnvelopeAttackDecay

public EnvelopeAttackDecay()

Method Detail

export

public void export(Circuit circuit,
                   java.lang.String prefix)

generate

public void generate(int start,
                     int limit)

Description copied from class: UnitGenerator

Perform essential synthesis function.

Specified by:

generate in class UnitGenerator

Parameters:

start - offset into port buffers

limit - limit offset into port buffers for loop