ClassAudioManager

constructor

• new AudioManager(audioMechanism): AudioManager

• initializes audio manager

  Parameters

  • audioMechanism: AudioMechanism

  Returns AudioManager

time

audioMechanism

• get audioMechanism(): undefined | AudioMechanism

• Returns undefined | AudioMechanism

channel

• get channel(): undefined | Float32Array

• Returns undefined | Float32Array

channelDataFactor

• get channelDataFactor(): number

• Returns number

gainNode

• get gainNode(): any

• Returns any

isPlaying

• get isPlaying(): boolean

• Returns boolean

mainchunk

• get mainchunk(): AudioChunk

• Returns AudioChunk

onChannelDataChange

• get onChannelDataChange(): Subject<void>

• Returns Subject<void>

playOnHover

• get playOnHover(): boolean

• Returns boolean

playPosition

• get playPosition(): SampleUnit

• Returns SampleUnit

• set playPosition(value): void

• Parameters

  • value: SampleUnit

  Returns void

resource

• get resource(): AudioResource

• Returns AudioResource

sampleRate

• get sampleRate(): number

• Returns number

state

• get state(): PlayBackStatus

• Returns PlayBackStatus

statechange

• get statechange(): Subject<PlayBackStatus>

• Returns Subject<PlayBackStatus>

addChunk

• addChunk(chunk): void

• adds an audio chunk to the list of chunks.

  Parameters

  • chunk: AudioChunk

  Returns void

createNewAudioChunk

• createNewAudioChunk(time, selection?): undefined | AudioChunk

• creates a new audio chunk entry from a given selection and adds it to the list of chunks.

  Parameters

  • time: AudioSelection
  • Optionalselection: AudioSelection

  Returns undefined | AudioChunk

createSampleUnit

• createSampleUnit(sample): SampleUnit

• creates a new SampleUnit

  Parameters

  • sample: number

  Returns SampleUnit

destroy

• destroy(disconnect?): Promise<void>

• destroys the audio manager

  Parameters

  • disconnect: boolean = true

  Returns Promise<void>

pausePlayback

• pausePlayback(): Promise<void>

• pauses the audio playback

  Returns Promise<void>

removeChunk

• removeChunk(chunk): void

• Parameters

  • chunk: AudioChunk

  Returns void

startPlayback

• startPlayback(audioSelection, volume, playbackRate, playOnHover?): Promise<void>

• starts audio playback using a given selection.

  Parameters

  • audioSelection: AudioSelection
  • volume: number
  • playbackRate: number
  • playOnHover: boolean = false

  Returns Promise<void>

stopDecoding

• stopDecoding(): void

• Returns void

stopPlayback

• stopPlayback(): Promise<void>

• stops the audio playback.

  Returns Promise<void>

Staticcreate

• create(filename, type, buffer, url?, audioMechanism?): Observable<{
      audioManager: AudioManager;
      progress: number;
  }>

• creates a new audio manager and reports the progress using an observable. The initialization includes audio decoding.

  Parameters

  • filename: string
  • type: string
  • buffer: ArrayBuffer
  • Optionalurl: string
  • audioMechanism: AudioMechanism = ...

  Returns Observable<{
      audioManager: AudioManager;
      progress: number;
  }>

StaticgetFileFormat

• getFileFormat(extension, audioformats): undefined | AudioFormat

• returns the FileFormat instance relative of the file extension or undefined if not found.

  Parameters

  • extension: string

    file extension
  • audioformats: AudioFormat[]

    list of supported audio formats

  Returns undefined | AudioFormat

StaticgetNumberOfDataParts

• getNumberOfDataParts(fileSize): number

• returns the number of data parts

  Parameters

  • fileSize: number

  Returns number

StaticisValidAudioFileName

• isValidAudioFileName(filename, audioFormats): boolean

• checks if there is an audio format that matches with the extension of the audio file.

  Parameters

  • filename: string
  • audioFormats: AudioFormat[]

  Returns boolean