Azure Cognitive Services Text to Speech (MP3)

Convert Text to Speech.ps1

# Text to Speech w/ Azure Cognitive Services 
$txt2SpeechTokenURI = "https://api.cognitive.microsoft.com/sts/v1.0/issueToken"
$key1 = "yourAPIKey"
# Generate Request Auth Headers
$TokenHeaders = @{"Ocp-Apim-Subscription-Key" = $key1;
            "Content-Length"= "0";
            "Content-type" = "application/x-www-form-urlencoded"} 
# Get OAuth Token
$OAuthToken = Invoke-RestMethod -Method POST -Uri $txt2SpeechTokenURI  -Headers $TokenHeaders

# Output Settings - Audio Player and Filename and Path
Add-Type -AssemblyName presentationCore
$mediaPlayer = New-Object system.windows.media.mediaplayer
# Output Path
$audioPath = "C:\temp\"
# Output File
$audiofile = "audiooutexample.mp3"

# Text to Speech Endpoint
$URI = "https://speech.platform.bing.com/synthesize"
# Headers
$headers = @{"Ocp-Apim-Subscription-Key" = $key1; 
            "Content-Type" = "application/ssml+xml";
            "X-Microsoft-OutputFormat" = "audio-16khz-32kbitrate-mono-mp3";
            "User-Agent" = "MIMText2Speech";
            "Authorization" = $OAuthToken}
            
# Output formats
#ssml-16khz-16bit-mono-tts 
#raw-16khz-16bit-mono-pcm 
#audio-16khz-16kbps-mono-siren 
#riff-16khz-16kbps-mono-siren 
#riff-16khz-16bit-mono-pcm 
#audio-16khz-128kbitrate-mono-mp3 
#audio-16khz-64kbitrate-mono-mp3 
#audio-16khz-32kbitrate-mono-mp3

# Voices https://docs.microsoft.com/en-us/azure/cognitive-services/speech/api-reference-rest/bingvoiceoutput#SupLocales 
#Microsoft Server Speech Text to Speech Voice (en-US, JessaRUS)
#Microsoft Server Speech Text to Speech Voice (en-GB, Susan, Apollo)
#Microsoft Server Speech Text to Speech Voice (en-AU, HayleyRUS) 

[xml]$Voice = @'
<speak version='1.0' xmlns="http://www.w3.org/2001/10/synthesis" xml:lang='en-US'> 
  <voice  name='Microsoft Server Speech Text to Speech Voice (en-AU, HayleyRUS)'>
    TEXTTOCONVERT
  </voice>
</speak>
'@

# Inject text to convert
$Voice.speak.voice.'#text' = "I just converted this string to speech using Azure Cognitive Services"
$Voice.speak.voice.'#text'  

# Send request for conversion
Invoke-RestMethod -Method POST -Uri $URI -Headers $headers -Body $voice -ContentType "application/ssml+xml" -OutFile "$($audioPath)$($audiofile)" 

# small delay for file to be written, open the file and play
start-sleep -Seconds 1
$mediaPlayer.open($audioPath + $audiofile)
Start-Sleep -Seconds 1
$responseDuration = $mediaPlayer.NaturalDuration.TimeSpan.TotalSeconds
$mediaPlayer.Play()
Start-Sleep -Seconds $responseDuration
$mediaPlayer.Close()