Tone.FMSynth

↳ EXTENDS Tone.Monophonic

FMSynth is composed of two Tone.Synths where one Tone.Synth modulates the frequency of a second Tone.Synth. A lot of spectral content can be explored using the modulationIndex parameter. Read more about frequency modulation synthesis on Sound On Sound: Part 1, Part 2.

CONSTRUCTOR

new Tone.FMSynth ( [
options
] )
options

the options available for the synth see defaults below

type: Object
optional

DEFAULTS

{
harmonicity : 3 ,
modulationIndex : 10 ,
detune : 0 ,
oscillator :
{
type : sine
}
,
envelope :
{
attack : 0.01 ,
decay : 0.01 ,
sustain : 1 ,
release : 0.5
}
,
modulation :
{
type : square
}
,
modulationEnvelope :
{
attack : 0.5 ,
decay : 0 ,
sustain : 1 ,
release : 0.5
}
}

EXAMPLE

var fmSynth = new Tone.FMSynth().toMaster();
fmSynth.triggerAttackRelease("C5", "4n");

Members

.harmonicity

Positive #

Harmonicity is the ratio between the two voices. A harmonicity of 1 is no change. Harmonicity = 2 means a change of an octave.

EXAMPLE

//pitch voice1 an octave below voice0
synth.harmonicity.value = 0.5;
</>

.modulationEnvelope

Tone.Oscillator #

The modulator’s envelope

</>

.modulationIndex

Positive #

The modulation index which essentially the depth or amount of the modulation. It is the ratio of the frequency of the modulating signal (mf) to the amplitude of the modulating signal (ma) – as in ma/mf.

</>

.detune

Cents #

The detune in cents

</>

.envelope

Tone.Oscillator #

The carrier’s envelope

</>

.oscillator

Tone.Oscillator #

The carrier’s oscillator

</>

.frequency

Frequency #

The frequency control.

</>

.modulation

Tone.Oscillator #

The modulator’s oscillator which is applied to the amplitude of the oscillator

</>
inherited from Tone.AudioNode

.channelCount

Number READONLY #

channelCount is the number of channels used when up-mixing and down-mixing connections to any inputs to the node. The default value is 2 except for specific nodes where its value is specially determined.

</>
inherited from Tone.AudioNode

.channelCountMode

String READONLY #

channelCountMode determines how channels will be counted when up-mixing and down-mixing connections to any inputs to the node. The default value is “max”. This attribute has no effect for nodes with no inputs.

</>
inherited from Tone.AudioNode

.channelInterpretation

String READONLY #

channelInterpretation determines how individual channels will be treated when up-mixing and down-mixing connections to any inputs to the node. The default value is “speakers”.

</>
inherited from Tone.AudioNode

.context

Tone.Context READONLY #

Get the audio context belonging to this instance.

</>
inherited from Tone.AudioNode

.numberOfInputs

Number READONLY #

The number of inputs feeding into the AudioNode. For source nodes, this will be 0.

</>
inherited from Tone.AudioNode

.numberOfOutputs

Number READONLY #

The number of outputs coming out of the AudioNode.

</>
inherited from Tone.Instrument

.volume

Decibels #

The volume of the output in decibels.

EXAMPLE

source.volume.value = -6;
</>
inherited from Tone.Monophonic

.portamento

Time #

The glide time between notes.

</>

Methods

.dispose ( )

#
↪ returns Tone.FMSynth

this

clean up

</>
inherited from Tone.AudioNode

.toMaster ( )

#
↪ returns Tone.AudioNode

this

Connect ‘this’ to the master output. Shorthand for this.connect(Tone.Master)

EXAMPLE

//connect an oscillator to the master output
var osc = new Tone.Oscillator().toMaster();
</>
inherited from Tone.AudioNode

.disconnect ( )

#
output

Either the output index to disconnect if the output is an array, or the node to disconnect from.

↪ returns Tone.AudioNode

this

disconnect the output

</>
inherited from Tone.AudioNode

.connect ( )

#
outputNum

optionally which output to connect from

type: number
default: 0
inputNum

optionally which input to connect to

type: number
default: 0
↪ returns Tone.AudioNode

this

connect the output of a ToneNode to an AudioParam, AudioNode, or ToneNode

</>
inherited from Tone.Instrument

.unsync ( )

#
↪ returns Tone.Instrument

this

Unsync the instrument from the Transport

</>
inherited from Tone.Instrument

.sync ( )

#
↪ returns Tone.Instrument

this

Sync the instrument to the Transport. All subsequent calls of triggerAttack and triggerRelease will be scheduled along the transport.

EXAMPLE

instrument.sync()
//schedule 3 notes when the transport first starts
instrument.triggerAttackRelease('C4', '8n', 0)
instrument.triggerAttackRelease('E4', '8n', '8n')
instrument.triggerAttackRelease('G4', '8n', '4n')
//start the transport to hear the notes
Transport.start()
</>
inherited from Tone.Instrument

.triggerAttackRelease ( )

#
note

The note to trigger.

duration

How long the note should be held for before triggering the release. This value must be greater than 0.

type: Time
time

When the note should be triggered.

type: Time
default: now
velocity

The velocity the note should be triggered at.

default: 1
↪ returns Tone.Instrument

this

Trigger the attack and then the release after the duration.

EXAMPLE

//trigger "C4" for the duration of an 8th note
synth.triggerAttackRelease("C4", "8n");
</>
inherited from Tone.Monophonic

.triggerAttack ( )

#
note

The note to trigger.

time

When the note should start.

type: Time
default: now
velocity

velocity The velocity scaler determines how “loud” the note will be triggered.

type: number
default: 1
↪ returns Tone.Monophonic

this

Trigger the attack of the note optionally with a given velocity.

EXAMPLE

synth.triggerAttack("C4");
 

EXAMPLE

//trigger the note a half second from now at half velocity
synth.triggerAttack("C4", "+0.5", 0.5);
</>
inherited from Tone.Monophonic

.getLevelAtTime ( )

#
time

The time to query the envelope value

type: Time
↪ returns NormalRange

The output level between 0-1

Get the level of the output at the given time. Measures the envelope(s) value at the time.

</>
inherited from Tone.Monophonic

.triggerRelease ( )

#
time

If no time is given, the release happens immediatly

type: Time
default: now
↪ returns Tone.Monophonic

this

Trigger the release portion of the envelope

EXAMPLE

synth.triggerRelease();
</>
inherited from Tone.Monophonic

.setNote ( )

#
note

The note to change to.

time

The time when the note should be set.

type: Time
default: now
↪ returns Tone.Monophonic

this

Set the note at the given time. If no time is given, the note will set immediately.

EXAMPLE

//change to F#6 in one quarter note from now.
synth.setNote("F#6", "+4n");

EXAMPLE

//change to Bb4 right now
synth.setNote("Bb4");
</>
docs generated Sep 15 2019