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Node.js

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.

Chilkat Node.js Downloads

Node.js
NODEJS_PRELUDE

function chilkatExample() {

    var success = false;

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

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

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

    http.Accept = "audio/wav";

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

    var url = sbUrl.GetAsString();
    var resp = new chilkat.HttpResponse();
    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);
    }


}

chilkatExample();