(Go) 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

Chilkat Go Downloads Go Package for Windows, Linux, Alpine Linux, MAC OS X, Solaris, FreeBSD, OpenBSD, Raspberry Pi and other single board computers

    // 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)

    // 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)
    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?voice=en-US_AllisonV3Voice")

    http.SetAccept("audio/wav")

    json := chilkat.NewJsonObject()
    json.UpdateString("text","When life gives you lemons, order the lobster tail.")

    resp := http.PostJson3(*sbUrl.GetAsString(),"application/json",json)
    if http.LastMethodSuccess() == false {
        fmt.Println(http.LastErrorText())
        http.DisposeHttp()
        sbUrl.DisposeStringBuilder()
        json.DisposeJsonObject()
        return
    }

    respStatusCode := resp.StatusCode()
    fmt.Println("response status code = ", respStatusCode)

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

    resp.DisposeHttpResponse()

    http.DisposeHttp()
    sbUrl.DisposeStringBuilder()
    json.DisposeJsonObject()