(Ruby) 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 Ruby Downloads install from rubygems.org gem install chilkat or download... Ruby Library for Windows, MacOS, Linux, Alpine Linux

require 'chilkat'

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

http = Chilkat::CkHttp.new()

http.put_Login("apikey")
http.put_Password("my_apikey")
http.put_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 = Chilkat::CkStringBuilder.new()
sbUrl.Append(myBaseUrl)
sbUrl.Append("/v1/synthesize?voice=en-US_AllisonV3Voice")

http.put_Accept("audio/wav")

json = Chilkat::CkJsonObject.new()
json.UpdateString("text","When life gives you lemons, order the lobster tail.")

# resp is a CkHttpResponse
resp = http.PostJson3(sbUrl.getAsString(),"application/json",json)
if (http.get_LastMethodSuccess() == false)
    print http.lastErrorText() + "\n";
    exit
end

respStatusCode = resp.get_StatusCode()
print "response status code = " + respStatusCode.to_s() + "\n";

if (respStatusCode == 200)
    success = resp.SaveBodyBinary("qa_output/lobster.wav")
    print "Success!" + "\n";
else
    print resp.bodyStr() + "\n";
end