(Visual Basic 6.0) 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 ActiveX Downloads ActiveX for 32-bit and 64-bit Windows

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

Dim http As New ChilkatHttp
Dim success As Long

http.Login = "apikey"
http.Password = "my_apikey"
http.BasicAuth = 1

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

Dim sbUrl As New ChilkatStringBuilder
success = sbUrl.Append(myBaseUrl)
success = sbUrl.Append("/v1/synthesize?accept=ACCEPT_TYPE&voice=CHOSEN_VOICE&text=TEXT_TO_SYNTHESIZE")

' Choose "audio/wav" for the output file type.
Dim numReplaced As Long
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")
Dim textToSynthesize As 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
Dim bdResponseBody As New ChilkatBinData
success = http.QuickGetBd(sbUrl.GetAsString(),bdResponseBody)
If (success = 0) Then
    Debug.Print http.LastErrorText
    Exit Sub
End If

Dim respStatusCode As Long
respStatusCode = http.LastStatus
Debug.Print "response status code = " & respStatusCode

If (respStatusCode = 200) Then
    success = bdResponseBody.WriteFile("qa_output/lobster.wav")
    Debug.Print "Success!"
Else
    Debug.Print bdResponseBody.GetString("utf-8")
End If