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

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

For more information, see https://cloud.ibm.com/apidocs/text-to-speech#synthesize-audio

Chilkat Java Downloads Java Libs for Windows, MacOS, Linux, Alpine Linux, Solaris Java Libs for Android

import com.chilkatsoft.*;

public class ChilkatExample {

  static {
    try {
        System.loadLibrary("chilkat");
    } catch (UnsatisfiedLinkError e) {
      System.err.println("Native code library failed to load.\n" + e);
      System.exit(1);
    }
  }

  public static void main(String argv[])
  {
    // This example assumes the Chilkat API to have been previously unlocked.
    // See Global Unlock Sample for sample code.

    CkHttp http = new CkHttp();
    boolean success;

    http.put_Login("apikey");
    http.put_Password("my_apikey");
    http.put_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)
    String myBaseUrl = "https://api.us-south.text-to-speech.watson.cloud.ibm.com/instances/31941e96-7b89-4d56-8993-9cd8f18ec2d8";

    CkStringBuilder sbUrl = new CkStringBuilder();
    sbUrl.Append(myBaseUrl);
    sbUrl.Append("/v1/synthesize?voice=en-US_AllisonV3Voice");

    http.put_Accept("audio/wav");

    CkJsonObject json = new CkJsonObject();
    json.UpdateString("text","When life gives you lemons, order the lobster tail.");

    CkHttpResponse resp = http.PostJson3(sbUrl.getAsString(),"application/json",json);
    if (http.get_LastMethodSuccess() == false) {
        System.out.println(http.lastErrorText());
        return;
        }

    int respStatusCode = resp.get_StatusCode();
    System.out.println("response status code = " + respStatusCode);

    if (respStatusCode == 200) {
        success = resp.SaveBodyBinary("qa_output/lobster.wav");
        System.out.println("Success!");
        }
    else {
        System.out.println(resp.bodyStr());
        }
  }
}