text2speech

var TextToSpeechV1 = require('watson-developer-cloud/text-to-speech/v1');
var fs = require('fs');

var text_to_speech = new TextToSpeechV1 ({
  username: '{username}',
  password: '{password}'
});

var params = {
  text: 'Hello world',
  voice: 'en-US_AllisonVoice',
  accept: 'audio/wav'
};

// Pipe the synthesized text to a file.
text_to_speech.synthesize(params).on('error', function(error) {
  console.log('Error:', error);
}).pipe(fs.createWriteStream('hello_world.wav'));