Text to Speech Nodejs Starter Application
The IBM Watson Text to Speech service is designed for streaming, low latency, synthesis of audio from text. It is the inverse of the automatic speech recognition. The TTS service can be accessed via a REST interface or directly via TCP.
Give it a try! Click the button below to fork into IBM DevOps Services and deploy your own copy of this application on Bluemix.
Getting Started
-
Create a Bluemix Account
Sign up in Bluemix, or use an existing account. Watson Services in Beta are free to use.
-
Download and install the Cloud-foundry CLI tool
-
Edit the
manifest.yml
file and change the<application-name>
to something unique.
applications:
- services:
- text-to-speech-service
name: <application-name>
command: node app.js
path: .
memory: 256M
The name you use will determinate your application url initially, e.g. <application-name>.mybluemix.net
.
- Connect to Bluemix in the command line tool.
$ cf api https://api.ng.bluemix.net
$ cf login -u <your user ID>
- Create the Text to Speech service in Bluemix.
$ cf create-service text_to_speech standard text-to-speech-service
- Push it live!
$ cf push
Running locally
The application uses Node.js and npm so you will have to download and install them as part of the steps below.
-
Copy the credentials from your
text-to-speech-service
service in Bluemix toapp.js
, you can see the credentials using:$ cf env <application-name>
Example output:
System-Provided: { "VCAP_SERVICES": { "text_to_speech": [{ "credentials": { "url": "<url>", "password": "<password>", "username": "<username>" }, "label": "text_to_speech", "name": "text-to-speech-service", "plan": "free" }] } }
You need to copy
username
,password
andurl
. -
Install Node.js
-
Go to the project folder in a terminal and run:
npm install
-
Start the application
-
node app.js
-
Go to
http://localhost:3000
Troubleshooting
To troubleshoot your Bluemix app the main useful source of information are the logs, to see them, run:
$ cf logs <application-name> --recent
License
This sample code is licensed under Apache 2.0. Full license text is available in LICENSE.
Contributing
See CONTRIBUTING.
Open Source @ IBM
Find more open source projects on the IBM Github Page