B4X

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

See more IBM Text to Speech Examples

Synthesizes text to audio that is spoken in the specified voice. Uses a POST which allows for more text to be synthesized. B4X

Dim success As Boolean = False

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

Dim http As ChilkatHttp
http.Initialize("http")

http.Login = "apikey"
http.Password = "my_apikey"
http.BasicAuth = 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)
Dim myBaseUrl As String = "https://api.us-south.text-to-speech.watson.cloud.ibm.com/instances/31941e96-7b89-4d56-8993-9cd8f18ec2d8"

Dim sbUrl As ChilkatStringBuilder
sbUrl.Initialize
sbUrl.Append(myBaseUrl)
sbUrl.Append("/v1/synthesize?voice=en-US_AllisonV3Voice")

http.Accept = "audio/wav"

Dim json As ChilkatJsonObject
json.Initialize
json.UpdateString("text", "When life gives you lemons, order the lobster tail.")

Dim url As String = sbUrl.GetAsString
Dim resp As ChilkatHttpResponse
resp.Initialize
success = http.HttpJson("POST", url, json, "application/json", resp)
If success = False Then
    Log(http.LastErrorText)
    Return
End If


Dim respStatusCode As Int = resp.StatusCode
Log("response status code = " & respStatusCode)

If respStatusCode = 200 Then
    success = resp.SaveBodyBinary("qa_output/lobster.wav")
    Log("Success!")
Else
    Log(resp.BodyStr)
End If