React Native

IBM Cloud - Text to Speech - Synthesize Audio (POST)

See more IBM Text to Speech Examples

Synthesizes text to audio that is spoken in the specified voice. Uses a POST which allows for more text to be synthesized. React Native

import { Http, HttpResponse, JsonObject, StringBuilder } from '@chilkat/react-native'

async function chilkatExample() {
  // This example assumes the Chilkat API to have been previously unlocked.
  // See Global Unlock Sample for sample code.

  const http = new Http();

  http.login = 'apikey';
  http.password = 'my_apikey';
  http.basicAuth = true;

  // Send the following request:

  // curl -X POST -u "apikey:{apikey}" 
  //    --header "Content-Type: application/json" 
  //    --header "Accept: audio/wav" 
  //    --data "{\"text\":\"When life gives you lemons, order the lobster tail.\"}" 
  //    --output lobster.wav "{url}/v1/synthesize?voice=en-US_AllisonV3Voice"

  // Use your base URL shown in the credentials web page (below your apikey)
  const myBaseUrl = 'https://api.us-south.text-to-speech.watson.cloud.ibm.com/instances/31941e96-7b89-4d56-8993-9cd8f18ec2d8';

  const sbUrl = new StringBuilder();
  sbUrl.append(myBaseUrl);
  sbUrl.append('/v1/synthesize?voice=en-US_AllisonV3Voice');

  http.accept = 'audio/wav';

  const json = new JsonObject();
  json.updateString('text', 'When life gives you lemons, order the lobster tail.');

  const url = sbUrl.getAsString();
  const resp = new HttpResponse();
  try {
    await http.httpJsonAsync('POST', url, json, 'application/json', resp);
  } catch {
    console.log(http.lastErrorText);
    return;
  }

  const respStatusCode = resp.statusCode;
  console.log(`response status code = ${respStatusCode}`);

  if (respStatusCode === 200) {
    resp.saveBodyBinary('qa_output/lobster.wav');
    console.log('Success!');
  } else {
    console.log(resp.bodyStr);
  }
}