Unicode C++

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

See more IBM Text to Speech Examples

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

#include <CkHttpW.h>
#include <CkStringBuilderW.h>
#include <CkBinDataW.h>

void ChilkatSample(void)
    {
    bool success = false;

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

    CkHttpW http;

    http.put_Login(L"apikey");
    http.put_Password(L"my_apikey");
    http.put_BasicAuth(true);

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

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

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

    // Send the GET to synthesize the voice.
    // The response file will be contained in bdResponseBody
    CkBinDataW bdResponseBody;
    success = http.QuickGetBd(sbUrl.getAsString(),bdResponseBody);
    if (success == false) {
        wprintf(L"%s\n",http.lastErrorText());
        return;
    }

    int respStatusCode = http.get_LastStatus();
    wprintf(L"response status code = %d\n",respStatusCode);

    if (respStatusCode == 200) {
        success = bdResponseBody.WriteFile(L"qa_output/lobster.wav");
        wprintf(L"Success!\n");
    }
    else {
        wprintf(L"%s\n",bdResponseBody.getString(L"utf-8"));
    }
    }