(Go) 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

Chilkat Go Downloads Go Package for Windows, MacOS, Linux, Alpine Linux, Solaris

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

    http := chilkat.NewHttp()
    var success bool

    http.SetLogin("apikey")
    http.SetPassword("my_apikey")
    http.SetBasicAuth(true)

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

    sbUrl := chilkat.NewStringBuilder()
    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.
    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")
    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
    bdResponseBody := chilkat.NewBinData()
    success = http.QuickGetBd(*sbUrl.GetAsString(),bdResponseBody)
    if success == false {
        fmt.Println(http.LastErrorText())
        http.DisposeHttp()
        sbUrl.DisposeStringBuilder()
        bdResponseBody.DisposeBinData()
        return
    }

    respStatusCode := http.LastStatus()
    fmt.Println("response status code = ", respStatusCode)

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


    http.DisposeHttp()
    sbUrl.DisposeStringBuilder()
    bdResponseBody.DisposeBinData()