Class: RealtimeUtils

Basic utilities for the Realtime API

Constructors

Constructor

new RealtimeUtils(): RealtimeUtils

Returns

RealtimeUtils

Methods

arrayBufferToBase64()

static arrayBufferToBase64(arrayBuffer): string

Converts an ArrayBuffer, Int16Array or Float32Array to a base64 string

Parameters

arrayBuffer

ArrayBuffer | Int16Array<ArrayBufferLike> | Float32Array<ArrayBufferLike>

Returns

string

base64ToArrayBuffer()

static base64ToArrayBuffer(base64): ArrayBuffer

Converts a base64 string to an ArrayBuffer

Parameters

base64

string

Returns

ArrayBuffer

floatTo16BitPCM()

static floatTo16BitPCM(float32Array): ArrayBuffer

Converts Float32Array of amplitude data to ArrayBuffer in Int16Array format

Parameters

float32Array

Float32Array

Returns

ArrayBuffer

generateId()

static generateId(prefix, length): string

Generates an id to send with events and messages

Parameters

prefix

string

length

number = 21

Returns

string

mergeInt16Arrays()

static mergeInt16Arrays(left, right): Int16Array

Merge two Int16Arrays from Int16Arrays or ArrayBuffers

Parameters

left

ArrayBuffer | Int16Array<ArrayBufferLike>

right

ArrayBuffer | Int16Array<ArrayBufferLike>

Returns

Int16Array