Google Cloud Speech API Node.js Samples

The Cloud Speech API enables easy integration of Google speech recognition technologies into developer applications.

Table of Contents

• Setup
• Samples
  • Recognize

Setup

1. Read Prerequisites and How to run a sample first.

2. Install dependencies:

    npm install
   

Samples

Recognize

View the documentation or the source code.

Usage: node recognize.js --help

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"]
  --sampleRate, -r                                                                             [number] [default: 16000]

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