Google Cloud Speech API Node.js

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The Cloud Speech API enables easy integration of Google speech recognition technologies into developer applications. Send audio and receive a text transcription from the Cloud Speech API service.

Table of Contents

* Setup
* Samples
* Speech Recognition
* Running the tests

Setup

1. Read [Prerequisites][prereq] and [How to run a sample][run] first.
1. Install dependencies:

With npm:

npm install

With yarn:

yarn install

[prereq]: ../README.md#prerequisites
[run]: ../README.md#how-to-run-a-sample

Samples

$3

View the [documentation][recognize_0_docs] or the [source code][recognize_0_code].

__Usage:__ node recognize.js --help

``
Commands:
sync Detects speech in a local audio file.
sync-gcs Detects speech in an audio file located in a Google Cloud Storage bucket.
sync-words Detects speech in a local audio file with word time offset.
async Creates a job to detect speech in a local audio file, and waits for the job to complete.
async-gcs 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 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.
stream 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
``

[recognize_0_docs]: https://cloud.google.com/speech/docs
[recognize_0_code]: recognize.js

Running the tests

1. Set the GCLOUD_PROJECT and GOOGLE_APPLICATION_CREDENTIALS environment variables.

1. Run the tests:

With npm:

npm test

With yarn:

yarn test