// GENERATED CONTENT - DO NOT EDIT
// Content was automatically extracted by Reffy into webref
// (https://github.com/w3c/webref)
// Source: Web Audio API (https://webaudio.github.io/web-audio-api/)

enum AudioContextState {
  "suspended",
  "running",
  "closed"
};

callback DecodeErrorCallback = undefined (DOMException error);

callback DecodeSuccessCallback = undefined (AudioBuffer decodedData);

[Exposed=Window]
interface BaseAudioContext : EventTarget {
  readonly attribute AudioDestinationNode destination;
  readonly attribute float sampleRate;
  readonly attribute double currentTime;
  readonly attribute AudioListener listener;
  readonly attribute AudioContextState state;
  [SameObject, SecureContext]
  readonly attribute AudioWorklet audioWorklet;
  attribute EventHandler onstatechange;

  AnalyserNode createAnalyser ();
  BiquadFilterNode createBiquadFilter ();
  AudioBuffer createBuffer (unsigned long numberOfChannels,
                            unsigned long length,
                            float sampleRate);
  AudioBufferSourceNode createBufferSource ();
  ChannelMergerNode createChannelMerger (optional unsigned long numberOfInputs = 6);
  ChannelSplitterNode createChannelSplitter (
    optional unsigned long numberOfOutputs = 6);
  ConstantSourceNode createConstantSource ();
  ConvolverNode createConvolver ();
  DelayNode createDelay (optional double maxDelayTime = 1.0);
  DynamicsCompressorNode createDynamicsCompressor ();
  GainNode createGain ();
  IIRFilterNode createIIRFilter (sequence<double> feedforward,
                                 sequence<double> feedback);
  OscillatorNode createOscillator ();
  PannerNode createPanner ();
  PeriodicWave createPeriodicWave (sequence<float> real,
                                   sequence<float> imag,
                                   optional PeriodicWaveConstraints constraints = {});
  ScriptProcessorNode createScriptProcessor(
    optional unsigned long bufferSize = 0,
    optional unsigned long numberOfInputChannels = 2,
    optional unsigned long numberOfOutputChannels = 2);
  StereoPannerNode createStereoPanner ();
  WaveShaperNode createWaveShaper ();

  Promise<AudioBuffer> decodeAudioData (
    ArrayBuffer audioData,
    optional DecodeSuccessCallback? successCallback,
    optional DecodeErrorCallback? errorCallback);
};

enum AudioContextLatencyCategory {
    "balanced",
    "interactive",
    "playback"
};

[Exposed=Window]
interface AudioContext : BaseAudioContext {
  constructor (optional AudioContextOptions contextOptions = {});
  readonly attribute double baseLatency;
  readonly attribute double outputLatency;
  AudioTimestamp getOutputTimestamp ();
  Promise<undefined> resume ();
  Promise<undefined> suspend ();
  Promise<undefined> close ();
  MediaElementAudioSourceNode createMediaElementSource (HTMLMediaElement mediaElement);
  MediaStreamAudioSourceNode createMediaStreamSource (MediaStream mediaStream);
  MediaStreamTrackAudioSourceNode createMediaStreamTrackSource (
    MediaStreamTrack mediaStreamTrack);
  MediaStreamAudioDestinationNode createMediaStreamDestination ();
};

dictionary AudioContextOptions {
  (AudioContextLatencyCategory or double) latencyHint = "interactive";
  float sampleRate;
};

dictionary AudioTimestamp {
  double contextTime;
  DOMHighResTimeStamp performanceTime;
};

[Exposed=Window]
interface OfflineAudioContext : BaseAudioContext {
  constructor(OfflineAudioContextOptions contextOptions);
  constructor(unsigned long numberOfChannels, unsigned long length, float sampleRate);
  Promise<AudioBuffer> startRendering();
  Promise<undefined> resume();
  Promise<undefined> suspend(double suspendTime);
  readonly attribute unsigned long length;
  attribute EventHandler oncomplete;
};

dictionary OfflineAudioContextOptions {
  unsigned long numberOfChannels = 1;
  required unsigned long length;
  required float sampleRate;
};

[Exposed=Window]
interface OfflineAudioCompletionEvent : Event {
  constructor (DOMString type, OfflineAudioCompletionEventInit eventInitDict);
  readonly attribute AudioBuffer renderedBuffer;
};

dictionary OfflineAudioCompletionEventInit : EventInit {
  required AudioBuffer renderedBuffer;
};

[Exposed=Window]
interface AudioBuffer {
  constructor (AudioBufferOptions options);
  readonly attribute float sampleRate;
  readonly attribute unsigned long length;
  readonly attribute double duration;
  readonly attribute unsigned long numberOfChannels;
  Float32Array getChannelData (unsigned long channel);
  undefined copyFromChannel (Float32Array destination,
                             unsigned long channelNumber,
                             optional unsigned long bufferOffset = 0);
  undefined copyToChannel (Float32Array source,
                           unsigned long channelNumber,
                           optional unsigned long bufferOffset = 0);
};

dictionary AudioBufferOptions {
  unsigned long numberOfChannels = 1;
  required unsigned long length;
  required float sampleRate;
};

[Exposed=Window]
interface AudioNode : EventTarget {
  AudioNode connect (AudioNode destinationNode,
                     optional unsigned long output = 0,
                     optional unsigned long input = 0);
  undefined connect (AudioParam destinationParam, optional unsigned long output = 0);
  undefined disconnect ();
  undefined disconnect (unsigned long output);
  undefined disconnect (AudioNode destinationNode);
  undefined disconnect (AudioNode destinationNode, unsigned long output);
  undefined disconnect (AudioNode destinationNode,
                        unsigned long output,
                        unsigned long input);
  undefined disconnect (AudioParam destinationParam);
  undefined disconnect (AudioParam destinationParam, unsigned long output);
  readonly attribute BaseAudioContext context;
  readonly attribute unsigned long numberOfInputs;
  readonly attribute unsigned long numberOfOutputs;
  attribute unsigned long channelCount;
  attribute ChannelCountMode channelCountMode;
  attribute ChannelInterpretation channelInterpretation;
};

enum ChannelCountMode {
  "max",
  "clamped-max",
  "explicit"
};

enum ChannelInterpretation {
  "speakers",
  "discrete"
};

dictionary AudioNodeOptions {
  unsigned long channelCount;
  ChannelCountMode channelCountMode;
  ChannelInterpretation channelInterpretation;
};

enum AutomationRate {
  "a-rate",
  "k-rate"
};

[Exposed=Window]
interface AudioParam {
  attribute float value;
  attribute AutomationRate automationRate;
  readonly attribute float defaultValue;
  readonly attribute float minValue;
  readonly attribute float maxValue;
  AudioParam setValueAtTime (float value, double startTime);
  AudioParam linearRampToValueAtTime (float value, double endTime);
  AudioParam exponentialRampToValueAtTime (float value, double endTime);
  AudioParam setTargetAtTime (float target, double startTime, float timeConstant);
  AudioParam setValueCurveAtTime (sequence<float> values,
                                  double startTime,
                                  double duration);
  AudioParam cancelScheduledValues (double cancelTime);
  AudioParam cancelAndHoldAtTime (double cancelTime);
};

[Exposed=Window]
interface AudioScheduledSourceNode : AudioNode {
  attribute EventHandler onended;
  undefined start(optional double when = 0);
  undefined stop(optional double when = 0);
};

[Exposed=Window]
interface AnalyserNode : AudioNode {
  constructor (BaseAudioContext context, optional AnalyserOptions options = {});
  undefined getFloatFrequencyData (Float32Array array);
  undefined getByteFrequencyData (Uint8Array array);
  undefined getFloatTimeDomainData (Float32Array array);
  undefined getByteTimeDomainData (Uint8Array array);
  attribute unsigned long fftSize;
  readonly attribute unsigned long frequencyBinCount;
  attribute double minDecibels;
  attribute double maxDecibels;
  attribute double smoothingTimeConstant;
};

dictionary AnalyserOptions : AudioNodeOptions {
  unsigned long fftSize = 2048;
  double maxDecibels = -30;
  double minDecibels = -100;
  double smoothingTimeConstant = 0.8;
};

[Exposed=Window]
interface AudioBufferSourceNode : AudioScheduledSourceNode {
  constructor (BaseAudioContext context,
               optional AudioBufferSourceOptions options = {});
  attribute AudioBuffer? buffer;
  readonly attribute AudioParam playbackRate;
  readonly attribute AudioParam detune;
  attribute boolean loop;
  attribute double loopStart;
  attribute double loopEnd;
  undefined start (optional double when = 0,
                   optional double offset,
                   optional double duration);
};

dictionary AudioBufferSourceOptions {
  AudioBuffer? buffer;
  float detune = 0;
  boolean loop = false;
  double loopEnd = 0;
  double loopStart = 0;
  float playbackRate = 1;
};

[Exposed=Window]
interface AudioDestinationNode : AudioNode {
  readonly attribute unsigned long maxChannelCount;
};

[Exposed=Window]
interface AudioListener {
  readonly attribute AudioParam positionX;
  readonly attribute AudioParam positionY;
  readonly attribute AudioParam positionZ;
  readonly attribute AudioParam forwardX;
  readonly attribute AudioParam forwardY;
  readonly attribute AudioParam forwardZ;
  readonly attribute AudioParam upX;
  readonly attribute AudioParam upY;
  readonly attribute AudioParam upZ;
  undefined setPosition (float x, float y, float z);
  undefined setOrientation (float x, float y, float z, float xUp, float yUp, float zUp);
};

[Exposed=Window]
interface AudioProcessingEvent : Event {
  constructor (DOMString type, AudioProcessingEventInit eventInitDict);
  readonly attribute double playbackTime;
  readonly attribute AudioBuffer inputBuffer;
  readonly attribute AudioBuffer outputBuffer;
};

dictionary AudioProcessingEventInit : EventInit {
  required double playbackTime;
  required AudioBuffer inputBuffer;
  required AudioBuffer outputBuffer;
};

enum BiquadFilterType {
  "lowpass",
  "highpass",
  "bandpass",
  "lowshelf",
  "highshelf",
  "peaking",
  "notch",
  "allpass"
};

[Exposed=Window]
interface BiquadFilterNode : AudioNode {
  constructor (BaseAudioContext context, optional BiquadFilterOptions options = {});
  attribute BiquadFilterType type;
  readonly attribute AudioParam frequency;
  readonly attribute AudioParam detune;
  readonly attribute AudioParam Q;
  readonly attribute AudioParam gain;
  undefined getFrequencyResponse (Float32Array frequencyHz,
                                  Float32Array magResponse,
                                  Float32Array phaseResponse);
};

dictionary BiquadFilterOptions : AudioNodeOptions {
  BiquadFilterType type = "lowpass";
  float Q = 1;
  float detune = 0;
  float frequency = 350;
  float gain = 0;
};

[Exposed=Window]
interface ChannelMergerNode : AudioNode {
  constructor (BaseAudioContext context, optional ChannelMergerOptions options = {});
};

dictionary ChannelMergerOptions : AudioNodeOptions {
  unsigned long numberOfInputs = 6;
};

[Exposed=Window]
interface ChannelSplitterNode : AudioNode {
  constructor (BaseAudioContext context, optional ChannelSplitterOptions options = {});
};

dictionary ChannelSplitterOptions : AudioNodeOptions {
  unsigned long numberOfOutputs = 6;
};

[Exposed=Window]
interface ConstantSourceNode : AudioScheduledSourceNode {
  constructor (BaseAudioContext context, optional ConstantSourceOptions options = {});
  readonly attribute AudioParam offset;
};

dictionary ConstantSourceOptions {
  float offset = 1;
};

[Exposed=Window]
interface ConvolverNode : AudioNode {
  constructor (BaseAudioContext context, optional ConvolverOptions options = {});
  attribute AudioBuffer? buffer;
  attribute boolean normalize;
};

dictionary ConvolverOptions : AudioNodeOptions {
  AudioBuffer? buffer;
  boolean disableNormalization = false;
};

[Exposed=Window]
interface DelayNode : AudioNode {
  constructor (BaseAudioContext context, optional DelayOptions options = {});
  readonly attribute AudioParam delayTime;
};

dictionary DelayOptions : AudioNodeOptions {
  double maxDelayTime = 1;
  double delayTime = 0;
};

[Exposed=Window]
interface DynamicsCompressorNode : AudioNode {
  constructor (BaseAudioContext context,
               optional DynamicsCompressorOptions options = {});
  readonly attribute AudioParam threshold;
  readonly attribute AudioParam knee;
  readonly attribute AudioParam ratio;
  readonly attribute float reduction;
  readonly attribute AudioParam attack;
  readonly attribute AudioParam release;
};

dictionary DynamicsCompressorOptions : AudioNodeOptions {
  float attack = 0.003;
  float knee = 30;
  float ratio = 12;
  float release = 0.25;
  float threshold = -24;
};

[Exposed=Window]
interface GainNode : AudioNode {
  constructor (BaseAudioContext context, optional GainOptions options = {});
  readonly attribute AudioParam gain;
};

dictionary GainOptions : AudioNodeOptions {
  float gain = 1.0;
};

[Exposed=Window]
interface IIRFilterNode : AudioNode {
  constructor (BaseAudioContext context, IIRFilterOptions options);
  undefined getFrequencyResponse (Float32Array frequencyHz,
                                  Float32Array magResponse,
                                  Float32Array phaseResponse);
};

dictionary IIRFilterOptions : AudioNodeOptions {
  required sequence<double> feedforward;
  required sequence<double> feedback;
};

[Exposed=Window]
interface MediaElementAudioSourceNode : AudioNode {
  constructor (AudioContext context, MediaElementAudioSourceOptions options);
  [SameObject] readonly attribute HTMLMediaElement mediaElement;
};

dictionary MediaElementAudioSourceOptions {
  required HTMLMediaElement mediaElement;
};

[Exposed=Window]
interface MediaStreamAudioDestinationNode : AudioNode {
  constructor (AudioContext context, optional AudioNodeOptions options = {});
  readonly attribute MediaStream stream;
};

[Exposed=Window]
interface MediaStreamAudioSourceNode : AudioNode {
  constructor (AudioContext context, MediaStreamAudioSourceOptions options);
  [SameObject] readonly attribute MediaStream mediaStream;
};

dictionary MediaStreamAudioSourceOptions {
  required MediaStream mediaStream;
};

[Exposed=Window]
interface MediaStreamTrackAudioSourceNode : AudioNode {
  constructor (AudioContext context, MediaStreamTrackAudioSourceOptions options);
};

dictionary MediaStreamTrackAudioSourceOptions {
  required MediaStreamTrack mediaStreamTrack;
};

enum OscillatorType {
  "sine",
  "square",
  "sawtooth",
  "triangle",
  "custom"
};

[Exposed=Window]
interface OscillatorNode : AudioScheduledSourceNode {
  constructor (BaseAudioContext context, optional OscillatorOptions options = {});
  attribute OscillatorType type;
  readonly attribute AudioParam frequency;
  readonly attribute AudioParam detune;
  undefined setPeriodicWave (PeriodicWave periodicWave);
};

dictionary OscillatorOptions : AudioNodeOptions {
  OscillatorType type = "sine";
  float frequency = 440;
  float detune = 0;
  PeriodicWave periodicWave;
};

enum PanningModelType {
    "equalpower",
    "HRTF"
};

enum DistanceModelType {
  "linear",
  "inverse",
  "exponential"
};

[Exposed=Window]
interface PannerNode : AudioNode {
  constructor (BaseAudioContext context, optional PannerOptions options = {});
  attribute PanningModelType panningModel;
  readonly attribute AudioParam positionX;
  readonly attribute AudioParam positionY;
  readonly attribute AudioParam positionZ;
  readonly attribute AudioParam orientationX;
  readonly attribute AudioParam orientationY;
  readonly attribute AudioParam orientationZ;
  attribute DistanceModelType distanceModel;
  attribute double refDistance;
  attribute double maxDistance;
  attribute double rolloffFactor;
  attribute double coneInnerAngle;
  attribute double coneOuterAngle;
  attribute double coneOuterGain;
  undefined setPosition (float x, float y, float z);
  undefined setOrientation (float x, float y, float z);
};

dictionary PannerOptions : AudioNodeOptions {
  PanningModelType panningModel = "equalpower";
  DistanceModelType distanceModel = "inverse";
  float positionX = 0;
  float positionY = 0;
  float positionZ = 0;
  float orientationX = 1;
  float orientationY = 0;
  float orientationZ = 0;
  double refDistance = 1;
  double maxDistance = 10000;
  double rolloffFactor = 1;
  double coneInnerAngle = 360;
  double coneOuterAngle = 360;
  double coneOuterGain = 0;
};

[Exposed=Window]
interface PeriodicWave {
  constructor (BaseAudioContext context, optional PeriodicWaveOptions options = {});
};

dictionary PeriodicWaveConstraints {
  boolean disableNormalization = false;
};

dictionary PeriodicWaveOptions : PeriodicWaveConstraints {
  sequence<float> real;
  sequence<float> imag;
};

[Exposed=Window]
interface ScriptProcessorNode : AudioNode {
  attribute EventHandler onaudioprocess;
  readonly attribute long bufferSize;
};

[Exposed=Window]
interface StereoPannerNode : AudioNode {
  constructor (BaseAudioContext context, optional StereoPannerOptions options = {});
  readonly attribute AudioParam pan;
};

dictionary StereoPannerOptions : AudioNodeOptions {
  float pan = 0;
};

enum OverSampleType {
  "none",
  "2x",
  "4x"
};

[Exposed=Window]
interface WaveShaperNode : AudioNode {
  constructor (BaseAudioContext context, optional WaveShaperOptions options = {});
  attribute Float32Array? curve;
  attribute OverSampleType oversample;
};

dictionary WaveShaperOptions : AudioNodeOptions {
  sequence<float> curve;
  OverSampleType oversample = "none";
};

[Exposed=Window, SecureContext]
interface AudioWorklet : Worklet {
};

callback AudioWorkletProcessorConstructor = AudioWorkletProcessor (object options);

[Global=(Worklet, AudioWorklet), Exposed=AudioWorklet]
interface AudioWorkletGlobalScope : WorkletGlobalScope {
  undefined registerProcessor (DOMString name,
                               AudioWorkletProcessorConstructor processorCtor);
  readonly attribute unsigned long long currentFrame;
  readonly attribute double currentTime;
  readonly attribute float sampleRate;
};

[Exposed=Window]
interface AudioParamMap {
  readonly maplike<DOMString, AudioParam>;
};

[Exposed=Window, SecureContext]
interface AudioWorkletNode : AudioNode {
  constructor (BaseAudioContext context, DOMString name,
               optional AudioWorkletNodeOptions options = {});
  readonly attribute AudioParamMap parameters;
  readonly attribute MessagePort port;
  attribute EventHandler onprocessorerror;
};

dictionary AudioWorkletNodeOptions : AudioNodeOptions {
  unsigned long numberOfInputs = 1;
  unsigned long numberOfOutputs = 1;
  sequence<unsigned long> outputChannelCount;
  record<DOMString, double> parameterData;
  object processorOptions;
};

[Exposed=AudioWorklet]
interface AudioWorkletProcessor {
  constructor ();
  readonly attribute MessagePort port;
};

callback AudioWorkletProcessCallback =
  boolean (FrozenArray<FrozenArray<Float32Array>> inputs,
           FrozenArray<FrozenArray<Float32Array>> outputs,
           object parameters);

dictionary AudioParamDescriptor {
  required DOMString name;
  float defaultValue = 0;
  float minValue = -3.4028235e38;
  float maxValue = 3.4028235e38;
  AutomationRate automationRate = "a-rate";
};