(JavaScript) 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

Note

This example is intended for running within a Chilkat.Js embedded JavaScript engine. All Chilkat JavaScript examples require Chilkat v11.4.0 or greater.

var success = false;

// This example assumes the Chilkat API to have been previously unlocked.
// See Global Unlock Sample for sample code.

var http = new CkHttp();

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)
var myBaseUrl = "https://api.us-south.text-to-speech.watson.cloud.ibm.com/instances/31941e96-7b89-4d56-8993-9cd8f18ec2d8";

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

http.Accept = "audio/wav";

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

var url = sbUrl.GetAsString();
var resp = new CkHttpResponse();
success = http.HttpJson("POST",url,json,"application/json",resp);
if (success == false) {
    console.log(http.LastErrorText);
    return;
}

var respStatusCode = resp.StatusCode;
console.log("response status code = " + respStatusCode);

if (respStatusCode == 200) {
    success = resp.SaveBodyBinary("qa_output/lobster.wav");
    console.log("Success!");
}
else {
    console.log(resp.BodyStr);
}