Commands:
  sync <filename>     Detects speech in a local audio file.
  sync-gcs <gcsUri>   Detects speech in an audio file located in a Google Cloud Storage bucket.
  async <filename>    Creates a job to detect speech in a local audio file, and waits for the job to complete.
  async-gcs <gcsUri>  Creates a job to detect speech in an audio file located in a Google Cloud Storage bucket, and
                      waits for the job to complete.
  stream <filename>   Detects speech in a local audio file by streaming it to the Speech API.
  listen              Detects speech in a microphone input stream.

Options:
  --help                 Show help                                                                             [boolean]
  --encoding, -e                                                                          [string] [default: "LINEAR16"]
  --sampleRateHertz, -r                                                                        [number] [default: 16000]
  --languageCode, -l                                                                         [string] [default: "en-US"]

Examples:
  node recognize.js sync ./resources/audio.raw -e LINEAR16 -r 16000
  node recognize.js async-gcs gs://my-bucket/audio.raw -e LINEAR16 -r 16000
  node recognize.js stream ./resources/audio.raw  -e LINEAR16 -r 16000
  node recognize.js listen

For more information, see https://cloud.google.com/speech/docs