(PowerShell) 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 .NET Downloads Chilkat .NET Assemblies

Add-Type -Path "C:\chilkat\ChilkatDotNet47-9.5.0-x64\ChilkatDotNet47.dll"

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

$http = New-Object Chilkat.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)
$myBaseUrl = "https://api.us-south.text-to-speech.watson.cloud.ibm.com/instances/31941e96-7b89-4d56-8993-9cd8f18ec2d8"

$sbUrl = New-Object Chilkat.StringBuilder
$sbUrl.Append($myBaseUrl)
$sbUrl.Append("/v1/synthesize?voice=en-US_AllisonV3Voice")

$http.Accept = "audio/wav"

$json = New-Object Chilkat.JsonObject
$json.UpdateString("text","When life gives you lemons, order the lobster tail.")

$resp = $http.PostJson3($sbUrl.GetAsString(),"application/json",$json)
if ($http.LastMethodSuccess -eq $false) {
    $($http.LastErrorText)
    exit
}

$respStatusCode = $resp.StatusCode
$("response status code = " + $respStatusCode)

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