DuoSynth

DuoSynth is a monophonic synth composed of two MonoSynths run in parallel with control over the frequency ratio between the two voices and vibrato effect.


import { DuoSynth } from "tone";
const duoSynth = new DuoSynth().toDestination();
duoSynth.triggerAttackRelease("C4", "2n");

Hierarchy

Constructor

new DuoSynth ( ) => DuoSynth

Properties

blockTime #

readonly Seconds

The number of seconds of 1 processing block (128 samples)

channelCount #

number

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.

channelCountMode #

ChannelCountMode

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.

  • "max" - computedNumberOfChannels is the maximum of the number of channels of all connections to an input. In this mode channelCount is ignored.
  • "clamped-max" - computedNumberOfChannels is determined as for "max" and then clamped to a maximum value of the given channelCount.
  • "explicit" - computedNumberOfChannels is the exact value as specified by the channelCount.

channelInterpretation #

ChannelInterpretation

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".

context #

BaseContext

The context belonging to the node.

debug #

boolean

Set this debug flag to log all events that happen in this class.

detune #

Signal<"cents" >

disposed #

readonly boolean

Indicates if the instance was disposed. 'Disposing' an instance means that all of the Web Audio nodes that were created for the instance are disconnected and freed for garbage collection.

frequency #

Signal<"frequency" >

harmonicity #

Signal<"positive" >

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


import { DuoSynth } from "tone";
const duoSynth = new DuoSynth().toDestination();
duoSynth.triggerAttackRelease("C4", "2n");
// pitch voice1 an octave below voice0
duoSynth.harmonicity.value = 0.5;

input #

undefined

The instrument only has an output

name #

string

numberOfInputs #

readonly number

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

numberOfOutputs #

readonly number

The number of outputs of the AudioNode.

onsilence #

onSilenceCallback

Invoked when the release has finished and the output is silent.

portamento #

Seconds

The glide time between notes.

sampleTime #

readonly Seconds

The duration in seconds of one sample.

static version #

string

The version number semver

vibratoAmount #

Param<"normalRange" >

The amount of vibrato

vibratoRate #

Signal<"frequency" >

the vibrato frequency

voice0 #

MonoSynth

the first voice

voice1 #

MonoSynth

the second voice

volume #

Param<"decibels" >

The volume of the output in decibels.


import { AMSynth } from "tone";
const amSynth = new AMSynth().toDestination();
amSynth.volume.value = -6;
amSynth.triggerAttackRelease("G#3", 0.2);

Methods

chain #

Connect the output of this node to the rest of the nodes in series.


import { Destination, Filter, Oscillator, Volume } from "tone";
const osc = new Oscillator().start();
const filter = new Filter();
const volume = new Volume(-8);
// connect a node to the filter, volume and then to the master output
osc.chain(filter, volume, Destination);
chain (
...nodes:InputNode []
) => this

connect #

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

connect (
destination:InputNode ,

The output to connect to

outputNum= 0:number ,

The output to connect from

inputNum= 0:number

The input to connect to

) => this

disconnect #

disconnect the output

disconnect (
destination?:InputNode ,
outputNum= 0:number ,
inputNum= 0:number
) => this

dispose #

clean up

dispose ( ) => this

fan #

connect the output of this node to the rest of the nodes in parallel.

fan (
...nodes:InputNode []
) => this

get #

Get the object's attributes.


import { Oscillator } from "tone";
const osc = new Oscillator();
console.log(osc.get());
// returns {"type" : "sine", "frequency" : 440, ...etc}
get ( ) => DuoSynthOptions

static getDefaults #

Returns all of the default options belonging to the class.

getDefaults ( ) => DuoSynthOptions

getLevelAtTime #

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

getLevelAtTime (
time:Time
) => NormalRange

immediate #

Return the current time of the Context clock without any lookAhead.

immediate ( ) => Seconds

now #

Return the current time of the Context clock plus the lookAhead.

now ( ) => Seconds

set #

Set multiple properties at once with an object.


import { Filter } from "tone";
const filter = new Filter();
// set values using an object
filter.set({
	frequency: 300,
	type: "highpass"
});
set ( ) => this

setNote #

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


import { Synth } from "tone";
const synth = new Synth().toDestination();
synth.triggerAttack("C4");
// change to F#6 in one quarter note from now.
synth.setNote("F#6", "+4n");
setNote (
note:Frequency | FrequencyClass ,

The note to change to.

time?:Time

The time when the note should be set.

) => this

sync #

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


import { FMSynth, Transport } from "tone";
const fmSynth = new FMSynth().toDestination();
fmSynth.volume.value = -6;
fmSynth.sync();
// schedule 3 notes when the transport first starts
fmSynth.triggerAttackRelease("C4", "8n", 0);
fmSynth.triggerAttackRelease("E4", "8n", "8n");
fmSynth.triggerAttackRelease("G4", "8n", "4n");
// start the transport to hear the notes
Transport.start();
sync ( ) => this

toDestination #

Connect the output to the context's destination node.

toDestination ( ) => this

toFrequency #

Convert the input to a frequency number

toFrequency (
freq:Frequency
) => Hertz

toMaster # DEPRECATED

Connect the output to the context's destination node. See toDestination

toMaster ( ) => this

toSeconds #

Convert the incoming time to seconds

toSeconds (
time?:Time
) => Seconds

toString #

Convert the class to a string


import { Oscillator } from "tone";
const osc = new Oscillator();
console.log(osc.toString());
toString ( ) => string

toTicks #

Convert the input time into ticks

toTicks (
time?:Time | TimeClass
) => Ticks

triggerAttack #

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


import { Synth } from "tone";
const synth = new Synth().toDestination();
// trigger the note a half second from now at half velocity
synth.triggerAttack("C4", "+0.5", 0.5);
triggerAttack (
note:Frequency | FrequencyClass ,

The note to trigger.

time?:Time ,

When the note should start.

velocity= 1:NormalRange

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

) => this

triggerAttackRelease #

Trigger the attack and then the release after the duration.


import { Synth } from "tone";
const synth = new Synth().toDestination();
// trigger "C4" for the duration of an 8th note
synth.triggerAttackRelease("C4", "8n");
triggerAttackRelease (
note:Frequency ,

The note to trigger.

duration:Time ,

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

time?:Time ,

When the note should be triggered.

velocity?:NormalRange

The velocity the note should be triggered at.

) => this

triggerRelease #

Trigger the release portion of the envelope


import { Synth } from "tone";
const synth = new Synth().toDestination();
synth.triggerAttack("C4");
// trigger the release a second from now
synth.triggerRelease("+1");
triggerRelease (
time?:Time

If no time is given, the release happens immediatly

) => this

unsync #

Unsync the instrument from the Transport

unsync ( ) => this