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.
  sync-words <filename>           Detects speech in a local audio file with word time offset.
  sync-punctuation <filename>     Detects speech in a local audio file with automatic punctuation enabled.
  sync-video <filename>           Detects speech in a local audio file with original media type set to VIDEO.
  sync-metadata <filename>        Detects speech in a local audio file with audio metadata paramters.
  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.
  async-gcs-words <gcsUri>        Creates a job to detect speech with word time offset in an audio file located in a
                                  Google Cloud Storage bucket, and waits for the job to complete.
  async-gcs-punctuation <gcsUri>  Creates a job to detect speech automatic punctuation enabled in an audio file located
                                  in a Google Cloud Storage bucket, and waits for the job to complete.
  async-gcs-video <gcsUri>        Creates a job to detect speech with original media type set to VIDEO in an audio file
                                  located in a Google Cloud Storage bucket, and waits for the job to complete.
  async-gcs-metadata <gcsUri>     Creates a job to detect speech with audio metadata paramaters 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. This command requires that you have SoX
                                  installed and available in your $PATH. See
                                  https://www.npmjs.com/package/node-record-lpcm16#dependencies

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://gcs-test-data/vr.flac -e FLAC -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