(Lianja) 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 Lianja Extension Download Chilkat Lianja Extension

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

loHttp = createobject("CkHttp")

loHttp.Login = "apikey"
loHttp.Password = "my_apikey"
loHttp.BasicAuth = .T.

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

loSbUrl = createobject("CkStringBuilder")
loSbUrl.Append(lcMyBaseUrl)
loSbUrl.Append("/v1/synthesize?accept=ACCEPT_TYPE&voice=CHOSEN_VOICE&text=TEXT_TO_SYNTHESIZE")

// Choose "audio/wav" for the output file type.
lnNumReplaced = loSbUrl.Replace("ACCEPT_TYPE",loHttp.UrlEncode("audio/wav"))
// See the choices for voices at https://cloud.ibm.com/apidocs/text-to-speech#synthesize-audio-get
lnNumReplaced = loSbUrl.Replace("CHOSEN_VOICE","en-US_MichaelVoice")
lcTextToSynthesize = "When life gives you lemons, order the lobster tail."
lnNumReplaced = loSbUrl.Replace("TEXT_TO_SYNTHESIZE",loHttp.UrlEncode(lcTextToSynthesize))

// Send the GET to synthesize the voice.
// The response file will be contained in bdResponseBody
loBdResponseBody = createobject("CkBinData")
llSuccess = loHttp.QuickGetBd(loSbUrl.GetAsString(),loBdResponseBody)
if (llSuccess = .F.) then
    ? loHttp.LastErrorText
    release loHttp
    release loSbUrl
    release loBdResponseBody
    return
endif

lnRespStatusCode = loHttp.LastStatus
? "response status code = " + str(lnRespStatusCode)

if (lnRespStatusCode = 200) then
    llSuccess = loBdResponseBody.WriteFile("qa_output/lobster.wav")
    ? "Success!"
else
    ? loBdResponseBody.GetString("utf-8")
endif



release loHttp
release loSbUrl
release loBdResponseBody