Class AzureSpeechRecognizer

constructor

• new AzureSpeechRecognizer(
      speechSubscriptionKey: string,
      serviceRegion: string,
      endPoint?: string,
      audioConfig?: AudioConfig,
      recoLanguage?: string,
  ): AzureSpeechRecognizer

  Constructs an Azure Speech recognizer object

  Parameters

  • speechSubscriptionKey: string

    Azure speech subscription key

  • serviceRegion: string

    Azure speech service region

  • OptionalendPoint: string

    Custom model endpoint, if any

  • OptionalaudioConfig: AudioConfig

    Optional audio config. Set to default mike input if not provided

  • OptionalrecoLanguage: string

    Optional language to be recognized. Default is 'en-US'

  Returns AzureSpeechRecognizer

audioConfig

isListening

onError

onRecognized

onRecognizing

phraseList

recognizer

recoStart

serviceRegion

speechConfig

speechSubscriptionKey

recognizeOnce

• recognizeOnce(maxRetries?: number): Promise<ISpeechRecoResult | null>

  Activate the microphone and attempt to recognize speech in the next few seconds Ideally, the recognition would include 2s of audio before the call, drawing from some buffer

  Parameters

  • OptionalmaxRetries: number

    Number of time to retry before returning an error

  Returns Promise<ISpeechRecoResult | null>

  Recognized items/hypotheses, or null if nothing was recognized

setPhraseList

• setPhraseList(phrases: string[]): void

  Set the list of phrases with enhanced importance for recognition

  Parameters

  • phrases: string[]

  Returns void

startRecognizing

• startRecognizing(): void

  Start the recognition process. Intermediate results are returned via the onRecognizing event; final results (phrase) are returned via the onRecognized event The expectation is that speech recognition is started at the beginning of a sketch, and stopped sometime after the end of the sketch

  Returns void

stopRecognizing

• stopRecognizing(wait?: number): void

  Stop the recognition process. Is normally called at the end of a sketch action

  Parameters

  • Optionalwait: number

    Time in milliseconds to wait before stopping recognition

  Returns void