问Microsoft认知语音到文本返回未定义的API错误

EN

class RecognizerAzure {

  recognize(){
    this.audioFormat = AudioStreamFormat.getWaveFormatPCM(sampleRate, 16, 1)
    this.pushStream = AudioInputStream.createPushStream(this.audioFormat)
    this.audioConfig = AudioConfig.fromStreamInput(this.pushStream)
    this.speechConfig = SpeechConfig.fromSubscription(
      '*************',
      'westeurope'
    )
    this.speechConfig.speechRecognitionLanguage = "en_US"

    this.recognizer = new SpeechRecognizerMicrosoftAzure(
      this.speechConfig,
      this.audioConfig
    )

    this.recognizer.startContinuousRecognitionAsync(() => {
      if (this.recognizer) {
        console.debug(inspect(this.recognizer))
        this.recognizer.canceled = console.log
      }
    }, this.logger.warn)
  }