Interface: AnalyserNode

Defined in: types/desktop-engine.d.ts:5047

Frequency and waveform data of what passes through, e.g. for visualizers

Extends

• AudioNode

Properties

channelCount

channelCount: number;

Defined in: types/desktop-engine.d.ts:4874

1 to 32

Inherited from

AudioNode.channelCount

---

channelCountMode

channelCountMode: ChannelCountMode;

Defined in: types/desktop-engine.d.ts:4875

Inherited from

AudioNode.channelCountMode

---

channelInterpretation

channelInterpretation: ChannelInterpretation;

Defined in: types/desktop-engine.d.ts:4876

Inherited from

AudioNode.channelInterpretation

---

context

readonly context: BaseAudioContext;

Defined in: types/desktop-engine.d.ts:4870

Inherited from

AudioNode.context

---

fftSize

fftSize: number;

Defined in: types/desktop-engine.d.ts:5049

A power of 2 from 32 to 32768, 2048 by default

---

frequencyBinCount

readonly frequencyBinCount: number;

Defined in: types/desktop-engine.d.ts:5051

fftSize / 2

---

maxDecibels

maxDecibels: number;

Defined in: types/desktop-engine.d.ts:5053

---

minDecibels

minDecibels: number;

Defined in: types/desktop-engine.d.ts:5052

---

numberOfInputs

readonly numberOfInputs: number;

Defined in: types/desktop-engine.d.ts:4871

Inherited from

AudioNode.numberOfInputs

---

numberOfOutputs

readonly numberOfOutputs: number;

Defined in: types/desktop-engine.d.ts:4872

Inherited from

AudioNode.numberOfOutputs

---

smoothingTimeConstant

smoothingTimeConstant: number;

Defined in: types/desktop-engine.d.ts:5055

0 to 1

Methods

addEventListener()

addEventListener(
   type, 
   listener, 
   options?
): void;

Defined in: types/desktop-engine.d.ts:3934

A boolean options (capture) is ignored

Parameters

Parameter	Type
type	string
listener	| EventListenerOrEventListenerObject | null
options?	| boolean | AddEventListenerOptions

Returns

void

Inherited from

AudioNode.addEventListener

---

connect()

Call Signature

connect<T>(
   destinationNode, 
   output?, 
   input?
): T;

Defined in: types/desktop-engine.d.ts:4878

Connects an output to an input of a node of the same context; returns that node, for chaining

Type Parameters

Type Parameter
T extends AudioNode

Parameters

Parameter	Type
destinationNode	T
output?	number
input?	number

Returns

T

Inherited from

AudioNode.connect

Call Signature

connect(destinationParam, output?): void;

Defined in: types/desktop-engine.d.ts:4880

Adds an output to the param's value

Parameters

Parameter	Type
destinationParam	AudioParam
output?	number

Returns

void

Inherited from

AudioNode.connect

---

disconnect()

Call Signature

disconnect(): void;

Defined in: types/desktop-engine.d.ts:4882

Disconnects every output, or the outputs / connections given

Returns

void

Inherited from

AudioNode.disconnect

Call Signature

disconnect(output): void;

Defined in: types/desktop-engine.d.ts:4883

Parameters

Parameter	Type
output	number

Returns

void

Inherited from

AudioNode.disconnect

Call Signature

disconnect(
   destinationNode, 
   output?, 
   input?
): void;

Defined in: types/desktop-engine.d.ts:4884

Parameters

Parameter	Type
destinationNode	AudioNode
output?	number
input?	number

Returns

void

Inherited from

AudioNode.disconnect

Call Signature

disconnect(destinationParam, output?): void;

Defined in: types/desktop-engine.d.ts:4885

Parameters

Parameter	Type
destinationParam	AudioParam
output?	number

Returns

void

Inherited from

AudioNode.disconnect

---

dispatchEvent()

dispatchEvent(event): boolean;

Defined in: types/desktop-engine.d.ts:3937

Returns false when a listener called preventDefault() on a cancelable event

Parameters

Parameter	Type
event	Event

Returns

boolean

Inherited from

AudioNode.dispatchEvent

---

getByteFrequencyData()

getByteFrequencyData(array): void;

Defined in: types/desktop-engine.d.ts:5059

Fills the array with 0-255, minDecibels to maxDecibels, up to frequencyBinCount values

Parameters

Parameter	Type
array	Uint8Array

Returns

void

---

getByteTimeDomainData()

getByteTimeDomainData(array): void;

Defined in: types/desktop-engine.d.ts:5063

Fills the array with samples as 0-255 (128 is 0), up to fftSize values

Parameters

Parameter	Type
array	Uint8Array

Returns

void

---

getFloatFrequencyData()

getFloatFrequencyData(array): void;

Defined in: types/desktop-engine.d.ts:5057

Fills the array with decibels, up to frequencyBinCount values

Parameters

Parameter	Type
array	Float32Array

Returns

void

---

getFloatTimeDomainData()

getFloatTimeDomainData(array): void;

Defined in: types/desktop-engine.d.ts:5061

Fills the array with samples, up to fftSize values

Parameters

Parameter	Type
array	Float32Array

Returns

void

---

removeEventListener()

removeEventListener(type, listener): void;

Defined in: types/desktop-engine.d.ts:3935

Parameters

Parameter	Type
type	string
listener	| EventListenerOrEventListenerObject | null

Returns

void

Inherited from

AudioNode.removeEventListener