(.NET Core C#) IBM Cloud - Text to Speech - Synthesize Audio (GET)

Synthesizes text to audio that is spoken in the specified voice.

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

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

Chilkat.Http http = new Chilkat.Http();
bool success;

http.Login = "apikey";
http.Password = "my_apikey";
http.BasicAuth = true;

// 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";

Chilkat.StringBuilder sbUrl = new Chilkat.StringBuilder();
sbUrl.Append(myBaseUrl);
sbUrl.Append("/v1/synthesize?accept=ACCEPT_TYPE&voice=CHOSEN_VOICE&text=TEXT_TO_SYNTHESIZE");

// Choose "audio/wav" for the output file type.
int numReplaced = sbUrl.Replace("ACCEPT_TYPE",http.UrlEncode("audio/wav"));
// See the choices for voices at https://cloud.ibm.com/apidocs/text-to-speech#synthesize-audio-get
numReplaced = sbUrl.Replace("CHOSEN_VOICE","en-US_MichaelVoice");
string textToSynthesize = "When life gives you lemons, order the lobster tail.";
numReplaced = sbUrl.Replace("TEXT_TO_SYNTHESIZE",http.UrlEncode(textToSynthesize));

// Send the GET to synthesize the voice.
// The response file will be contained in bdResponseBody
Chilkat.BinData bdResponseBody = new Chilkat.BinData();
success = http.QuickGetBd(sbUrl.GetAsString(),bdResponseBody);
if (success == false) {
    Debug.WriteLine(http.LastErrorText);
    return;
}

int respStatusCode = http.LastStatus;
Debug.WriteLine("response status code = " + Convert.ToString(respStatusCode));

if (respStatusCode == 200) {
    success = bdResponseBody.WriteFile("qa_output/lobster.wav");
    Debug.WriteLine("Success!");
}
else {
    Debug.WriteLine(bdResponseBody.GetString("utf-8"));
}